🔧 Kali Linux Troubleshooting

Fix any Kali Linux error. 843 real issues with step-by-step solutions covering 299 tools.

843Issues
299Tools
33Critical
254High
🔍
Nmap
Host seems down
Note: Host seems down. If it is really up, but blocking our ping probes, try -Pn
Nmap
Permission denied raw sockets
You requested a scan type which requires root privileges
Nmap
Service detection hanging
Service detection taking too long on multiple ports
Nmap
NSE script error
NSE: Script error - could not load script file
Nmap
Scan extremely slow
Nmap scan taking hours with default settings
Nmap
UDP scan requires root
UDP scan requires root privileges to send raw packets
Nmap
Filtered ports
Ports show as filtered behind firewall
Nmap
OS detection failed
No matching OS fingerprint found in database
Nmap
Cannot resolve hostname
Failed to resolve hostname/IP address
Nmap
No route to host
RTTVAR has grown to over 2.3 seconds
Nmap
Ping scan no results
Ping scan returned no hosts up on subnet
Nmap
Output file permission denied
Cannot open output file for writing
Nmap
Version conflict
Nmap version mismatch with scripts
Nmap
Idle scan zombie
Idle scan zombie host not suitable
Nmap
XML output parsing error
XML output is malformed or truncated
Metasploit
Database not connected
Database not connected or cache not built
Metasploit
Module not found
Module not found in module tree
Metasploit
No session created
Exploit completed but no session was created
Metasploit
Handler bind failed
Handler failed to bind to specified port
Metasploit
Payload too large
Payload exceeds maximum size for exploit buffer
Metasploit
Ruby gem error
Gem::LoadError or Bundler error on startup
Metasploit
Meterpreter dies instantly
Meterpreter session closed immediately after opening
Metasploit
Workspace error
Workspace does not exist or is corrupted
Metasploit
Reverse shell blocked
Reverse connection not established through firewall
Metasploit
Slow module loading
Metasploit takes very long to start
Metasploit
Exploit check failed
Cannot verify if target is vulnerable
Metasploit
LHOST wrong interface
LHOST set to wrong network interface IP
Metasploit
Resource script error
Error executing resource script commands
Metasploit
Post module requires session
This module requires a valid session
Metasploit
Aux module timeout
Auxiliary module scan timed out on target
Burp Suite
Browser not proxying
Browser traffic not going through Burp proxy
Burp Suite
SSL certificate error
SSL certificate not trusted by browser
Burp Suite
Intercept not working
Requests not being intercepted by proxy
Burp Suite
Out of memory
java.lang.OutOfMemoryError: Java heap space
Burp Suite
Scanner false positives
Scanner reporting vulnerabilities that do not exist
Burp Suite
Repeater timeout
Repeater request timed out waiting for response
Burp Suite
Extension error
Extension failed to load or threw exception
Burp Suite
Cannot save project
Failed to save Burp project file
Burp Suite
Collaborator not working
Burp Collaborator client not receiving callbacks
Burp Suite
HTTPS sites not loading
Websites not loading through Burp proxy
Aircrack-ng
Monitor mode failed
Error setting monitor mode on wlan0
Aircrack-ng
No networks found
No access points detected in airodump-ng
Aircrack-ng
Handshake not captured
WPA handshake not captured after deauth
Aircrack-ng
Injection not working
Packet injection test failed on interface
Aircrack-ng
Passphrase not in wordlist
KEY NOT FOUND - passphrase not in dictionary
Aircrack-ng
Channel hopping too fast
Adapter keeps changing channels missing data
Aircrack-ng
Adapter disconnects
Wireless adapter keeps disconnecting during scan
Aircrack-ng
Deauth not working
Deauthentication frames not reaching target
Aircrack-ng
5GHz not working
Cannot scan or inject on 5GHz channels
Aircrack-ng
WPS attack fails
Reaver/Bully WPS attack not progressing
Hashcat
GPU driver error
clGetPlatformIDs(): CL_PLATFORM_NOT_FOUND_KHR
Hashcat
Hash not recognized
Line-length exception or hash format invalid
Hashcat
Temperature throttling
Temperature limit reached on GPU
Hashcat
Exhausted wordlist
All candidates processed without finding match
Hashcat
CUDA error
CUDA error: out of memory or device not found
Hashcat
Separator unmatched
Separator unmatched in hash file
Hashcat
Brain server error
Cannot connect to hashcat brain server
Hashcat
Potfile conflict
Hash already in potfile showing as cracked
Hashcat
Backend device error
Backend device error during hash computation
Hashcat
Slow on CPU
Hashcat running extremely slow without GPU
Hydra
Too many connections
Too many connections refused by target
Hydra
Wrong http-form syntax
Error in http-post-form module specification
Hydra
Module not found
Unsupported or missing service module
Hydra
Connection refused
Connect error to target service port
Hydra
False positives
Reporting successful logins that are wrong
Hydra
Account lockout triggered
Target locked accounts after failed attempts
Hydra
SSL connection error
Cannot establish SSL connection to target
Hydra
Restore file error
Cannot read or create restore file
Hydra
SOCKS proxy error
Cannot connect through SOCKS proxy
Hydra
Wordlist too large
Running out of memory with huge wordlist
SQLmap
Not injectable
All tested parameters do not appear to be injectable
SQLmap
WAF detected
WAF/IPS blocking SQLmap requests
SQLmap
Connection timeout
Connection timed out reaching target
SQLmap
DBMS not determined
Cannot determine back-end DBMS type
SQLmap
Out of band failed
OOB data exfiltration not working
SQLmap
File read denied
Cannot read file from server filesystem
SQLmap
OS shell failed
Cannot execute OS commands through SQL injection
SQLmap
Second order injection
Second-order SQL injection not detectable
SQLmap
Cookie injection
Cookie parameter injection not being tested
SQLmap
Proxy authentication error
Cannot authenticate to upstream proxy
John the Ripper
No password hashes loaded
No password hashes loaded (see FAQ)
John the Ripper
OpenCL not found
No OpenCL-capable devices detected
John the Ripper
Session locked
Session file locked by another process
John the Ripper
Unsupported hash type
No supported hashes found in file
John the Ripper
Incremental mode slow
Incremental mode very slow on complex hashes
John the Ripper
Mangled rules error
Invalid rule syntax in rules section
John the Ripper
Memory allocation failed
Cannot allocate memory for cracking
John the Ripper
ZIP password wrong format
Cannot load ZIP hash for cracking
Wireshark
Permission denied
You do not have permission to capture on that device
Wireshark
No interfaces
No capture interfaces available
Wireshark
Capture file too large
Capture file consuming too much disk
Wireshark
Cannot decode HTTPS
HTTPS traffic showing as encrypted TLS
Tcpdump
Packets dropping
Kernel dropping packets during capture
Tcpdump
Permission denied
tcpdump: permission denied on interface
Tshark
Display filter error
Invalid display filter expression
Tshark
Cannot write output
Error writing to output file
Gobuster
Connection refused
Error connecting to target web server
Gobuster
Too many errors
Too many errors causing scan abort
Ffuf
Wildcard response
Every URL returning same response
Ffuf
SSL handshake error
TLS handshake failure during fuzzing
Dirb
Scan extremely slow
Directory bruteforce taking too long
Feroxbuster
Too many open files
File descriptor limit reached
Wfuzz
All responses same
Cannot distinguish valid from invalid paths
Dirsearch
Rate limiting detected
Target rate limiting scan requests
Python
Externally managed environment
error: externally-managed-environment
Python
Module not found
ModuleNotFoundError: No module named X
Python
Permission denied
PermissionError during pip install
Python
SSL certificate error
SSLCertVerificationError: certificate verify failed
Python
Pip not found
pip: command not found
Python
Version conflict
Package version conflict during install
Python
Compilation error
Error building wheel for package
Python
Encoding error
UnicodeDecodeError in Python script
Python
Virtual env activation failed
source activate: No such file or directory
Python
Requests timeout
requests.exceptions.ConnectionError: timed out
Docker
Permission denied socket
Permission denied connecting to Docker daemon socket
Docker
Cannot pull image
Pull access denied or image not found
Docker
Port already in use
Port already allocated by another container
Docker
Container exits immediately
Container exits with code 0 or 1 right after start
Docker
Disk space full
No space left on device during build
Docker
Network not found
Network not found or cannot connect containers
Docker
Build fails
Docker build fails at specific step
Docker
Cannot access container service
Service inside container not accessible from host
Git
Permission denied publickey
Permission denied (publickey) to GitHub
Git
Clone timeout
Connection timed out during clone
Git
Merge conflict
Automatic merge failed with conflicts
Git
Detached HEAD
HEAD is now at commit hash
Git
LFS error
Git LFS not installed or smudge filter failed
Git
Remote rejected push
Remote rejected push to protected branch
Kali Linux
apt GPG error
EXPKEYSIG - signatures were invalid
Kali Linux
apt 404 not found
Failed to fetch repository 404 Not Found
Kali Linux
dpkg lock
Could not get lock /var/lib/dpkg/lock-frontend
Kali Linux
Broken packages
Unmet dependencies try apt --fix-broken
Kali Linux
No space left
No space left on device
Kali Linux
WiFi not detected
No wireless adapters found by airmon-ng
Kali Linux
Low screen resolution
Cannot change resolution in virtual machine
Kali Linux
Root login disabled
Cannot login as root user
Kali Linux
No internet after boot
Network not working after system start
Kali Linux
Black screen after login
Screen goes black after credentials entered
Kali Linux
Sound not working
No audio output detected
Kali Linux
Cannot install package
Unable to locate package in repositories
Kali Linux
Slow boot
System takes very long to start up
Kali Linux
LUKS password rejected
Full disk encryption passphrase incorrect
Kali Linux
GRUB rescue
error: unknown filesystem entering grub rescue
Kali Linux
SSH not starting
OpenSSH server failed to start
Kali Linux
Python2 missing
python command not found
Kali Linux
USB not detected in VM
USB device not visible in Kali guest
Kali Linux
Shared folder not working
VMware/VirtualBox shared folder inaccessible
Kali Linux
Copy paste broken in VM
Cannot copy paste between host and guest
Kali Linux
Kernel panic
Kernel panic - not syncing: VFS unable to mount
Kali Linux
Snap not working
Snap command not found or daemon not running
Kali Linux
Desktop crashed
XFCE or GNOME not loading
Kali Linux
Bluetooth not working
No Bluetooth adapter found
Kali Linux
Timezone wrong
System clock showing wrong time
Kali Linux
Locale errors
Locale setting warnings on every command
Kali Linux
GUI freeze
Desktop environment completely frozen
Kali Linux
Sudo password not working
User not in sudoers file
Kali Linux
Apt hash sum mismatch
Hash sum mismatch during apt update
Kali Linux
VPN connection fails
OpenVPN connection timing out
Kali Linux
Firewall blocking tools
iptables rules blocking outbound connections
Kali Linux
Repository key expired
KEYEXPIRED during apt update
Kali Linux
Grub not showing
System boots directly without GRUB menu
Kali Linux
Failed to start service
Systemd service failed to start
Kali Linux
Cannot resize partition
Partition resize fails in live system
Kali Linux
Swap file not working
No swap space configured or swap not activating
Kali Linux
Display scaling wrong
HiDPI display text too small or too large
Kali Linux
Network bridge not working
Bridge interface not forwarding traffic
Kali Linux
systemd-resolved conflict
Port 53 in use by systemd-resolved
Kali Linux
initramfs error on boot
Dropped to initramfs shell during boot
Responder
Port 53 in use
Port 53 already in use by systemd-resolved
Responder
LLMNR not working
Not receiving LLMNR/NBT-NS queries
Impacket
Module import error
ImportError: No module named impacket
Impacket
SMB access denied
STATUS_ACCESS_DENIED during SMB operation
Impacket
SecretsDump timeout
Connection timed out during secretsdump
Impacket
GetNPUsers no output
No entries found for AS-REP roasting
Netcat
Connection refused
Connection refused on target port
Netcat
Reverse shell not connecting
Listener waiting but no incoming connection
Netcat
Shell drops immediately
Reverse shell connects then disconnects
Socat
Address in use
Address already in use error
Socat
SSL certificate error
SSL handshake failed during encrypted tunnel
Netcat
UDP mode not working
UDP listener not receiving data
Enum4linux
Access denied
NT_STATUS_ACCESS_DENIED during enumeration
Smbclient
Protocol negotiation failed
NT_STATUS_CONNECTION_DISCONNECTED on connect
Smbclient
Tree connect failed
NT_STATUS_BAD_NETWORK_NAME
CrackMapExec
Login failure
STATUS_LOGON_FAILURE on all attempts
NetExec
Module not loading
Module failed to import
Rpcclient
Connection error
Cannot connect to RPC endpoint
Ldapsearch
Cannot connect
Cannot connect to LDAP server
Kerbrute
No valid users found
No valid usernames found during enumeration
Nikto
Target not responding
Connection failed to target web server
Nikto
SSL handshake error
SSL negotiation error during scan
Searchsploit
Database outdated
ExploitDB results may be outdated
Searchsploit
No results found
No matching exploits in local database
WPScan
API token required
No API Token given skipping vuln checks
WPScan
Cannot connect
Target not responding or blocked
WPScan
Plugins enumeration slow
Plugin enumeration taking very long
Proxychains
Connection timeout
Timeout through proxy chain
Proxychains
DNS leak
DNS queries not going through proxy
Tor
Circuit build failed
Cannot build circuit to Tor network
Recon-ng
API key required
Module requires API key
Recon-ng
Module not found
Module not installed or deprecated
Maltego
Transform error
Transform failed or timed out
Mimikatz
Access denied
Handle on memory access denied
Evil-WinRM
Connection refused
Cannot connect to WinRM service
BloodHound
Neo4j not starting
Neo4j failed to start
BloodHound
Ingestor error
SharpHound or bloodhound-python failed
Chisel
Tunnel drops
Chisel tunnel disconnecting
Ligolo-ng
TUN interface error
Cannot create TUN interface
Certbot
Domain verification failed
ACME challenge failed for domain
BeEF
Hook not connecting
Browser not connecting to BeEF hook
Empire
Listener failed
Cannot start listener on port
Covenant
Build error
Dotnet build failed for Covenant C2
Msfvenom
Invalid payload
Payload not found in framework
Msfvenom
Encoder failed
Encoder cannot process payload
Crackmapexec
Connection timeout
SMB connection timed out
Netdiscover
No hosts found
No hosts discovered on network
Masscan
Rate too high
Dropping packets at high rate
Arpspoof
Operation not permitted
libnet_write_link failed
Ettercap
Interface not found
Cannot find network interface
Bettercap
Module panic
Module crashed during execution
Sublist3r
No subdomains
Zero subdomains found
Amass
DNS timeout
DNS queries timing out during enum
Theharvestor
API key missing
API key not configured for module
Whatweb
SSL error
SSL certificate problem during scan
Nuclei
Template error
Error loading template YAML
Nuclei
Rate limited
Target rate limiting nuclei requests
Volatility
Profile not found
No suitable address space mapping found
Autopsy
Case creation failed
Cannot create case or ingest failing
Medusa
Segmentation fault
Crash during password attack
Cewl
No words extracted
CeWL found 0 words on target
Ghidra
Java error
Ghidra fails to launch with Java error
Radare2
Analysis stuck
Analysis hanging on large binary
GDB
No debug symbols
No debugging symbols found
ZAP
AJAX spider fails
Cannot discover dynamic content
ZAP
Cannot start
ZAP fails to launch
Powershell Empire
Agent not calling back
Stager deployed but no callback received
Rubeus
Kerberos error
KRB_AP_ERR_SKEW clock skew too great
Hashid
Cannot identify hash
Hash type could not be determined
Wpscan
Cannot enumerate users
User enumeration blocked by target
Fierce
DNS timeout
DNS queries timing out
Dnsenum
Zone transfer denied
Zone transfer failed for domain
LinPEAS
Permission denied
Cannot execute LinPEAS on target
WinPEAS
Blocked by AV
Windows Defender blocking WinPEAS
Pwncat
Connection drops
Pwncat session disconnecting
Gobuster
DNS mode error
DNS enumeration not finding subdomains
Commix
Injection not found
No command injection found in parameters
Stegseek
Wordlist error
Cannot load wordlist for steganography cracking
Exiftool
Cannot read file
Error reading metadata from file
Binwalk
Extraction failed
Cannot extract embedded files from firmware
Steghide
Cannot embed data
Cannot embed data in image file
Foremost
No files recovered
No files carved from disk image
Apktool
Decompile error
Error decompiling APK file
Jadx
OutOfMemory
Java OutOfMemoryError during decompilation
Objdump
Unrecognized format
File format not recognized
Frida
Cannot attach to process
Failed to attach to target process
Drozer
Connection refused
Cannot connect to drozer agent
Sqlitebrowser
Cannot open database
Database is encrypted or corrupted
Lynis
Audit warnings
Security audit showing multiple warnings
Openvas
Scanner not ready
OpenVAS scanner not initialized
Nessus
Activation error
Nessus activation code invalid
Yara
Rule syntax error
YARA rule compilation failed
Snort
Cannot start
Snort failed to initialize on interface
Tcpreplay
Cannot replay packets
Error replaying pcap file
Wifite
No wireless adapter
No wireless interfaces were found
Wifite
Dependency missing
Required program not found: reaver
Wifite
WPA attack timeout
WPA handshake capture timed out
Wifite
Crash during attack
Wifite crashed or froze during attack
Wifite
Cannot deauth clients
Deauthentication not working on target
Wifite
PMKID attack fails
PMKID hash not captured from target
Wifite
Cracking slow
Password cracking taking very long
Wifite
Channel locked error
Cannot lock adapter to specific channel
Reaver
WPS locked out
WARNING: Detected AP rate limiting, waiting
Reaver
Timeout waiting for beacon
Timeout waiting for beacon frame from AP
Reaver
Receive timeout
Receive timeout occurred multiple times
Reaver
Association failed
Failed to associate with target AP
Bully
Pixie dust failed
Pixie dust attack did not find PIN
Bully
Cannot initialize
Error initializing bully on interface
Bully
Pin attempt fails
Every PIN attempt returns failure
Reaver
Fixed channel error
Could not set channel on interface
SET
Apache not starting
Apache server failed to start for credential harvester
SET
Cloned site not loading
Website clone not rendering correctly
SET
Email delivery failed
SMTP connection failed for phishing email
SET
Payload not executing
Generated payload blocked by antivirus
SET
Java applet blocked
Browser blocking Java applet attack
SET
QRCode generator error
QR code generation failed
SET
Listener not catching
Payload executes but no session received
SET
Update failed
SET update failed or version conflict
Kismet
Capture source error
Unable to open capture source
Kismet
Web UI not loading
Cannot access Kismet web interface
Kismet
GPS not detected
No GPS device found for location tracking
Kismet
High CPU usage
Kismet consuming excessive CPU resources
Kismet
Database locked
SQLite database locked error
Kismet
Alert flooding
Too many alerts filling the log
King Phisher
Server not starting
King Phisher server failed to start
King Phisher
Database connection error
Cannot connect to PostgreSQL database
King Phisher
Template rendering error
Jinja2 template error in phishing page
King Phisher
SMTP relay denied
SMTP relay rejected phishing email
King Phisher
Client cannot connect
King Phisher client cannot reach server
Veil
Evasion generation failed
Payload generation failed in Veil-Evasion
Veil
Wine error
Wine configuration error during setup
Veil
AV still detecting
Generated payload still detected by antivirus
Veil
Compiler not found
GCC or MinGW compiler not found
Veil
Module import error
Python module not found during generation
Shellter
Wine required
Shellter requires Wine to run on Linux
Shellter
PE injection failed
Cannot inject payload into target PE file
Shellter
Payload not found
Custom payload file not found
Shellter
AV detection after injection
Injected PE detected by antivirus
Sliver
Implant not connecting
Implant generated but not calling back
Sliver
Build failed
Implant compilation failed
Sliver
Multiplayer auth error
Operator authentication failed
Sliver
Session unstable
Session keeps disconnecting
Sliver
Armory install failed
Extension installation from armory failed
Crunch
Disk space exhausted
Crunch output file consuming all disk space
Crunch
Invalid charset
Specified character set is invalid
Cupp
No wordlist generated
CUPP generated empty or tiny wordlist
SecLists
Not installed
SecLists wordlists not found on system
Wordlists
Rockyou not extracted
rockyou.txt not found or still compressed
Mentalist
Cannot generate rules
Rule-based wordlist generation failing
THC-Hydra
Unsupported protocol
Protocol not supported by this build
THC-IPv6
Interface not found
Cannot bind to specified network interface
THC-SSL-DOS
Connection reset
SSL connections being reset by target
Slowloris
Connection limit reached
Cannot open more connections to target
Hping3
Cannot send packets
Cannot send raw packets without root
Yersinia
Interface binding error
Cannot bind to network interface
Yersinia
Protocol not available
Selected protocol attack not supported
Yersinia
GUI not starting
GTK interface failed to launch
Yersinia
DHCP starvation fails
DHCP starvation attack not working
Hash-identifier
Cannot identify
Hash type not recognized
Hashid
Multiple matches
Multiple possible hash types returned
Ophcrack
Tables not found
Rainbow tables not loaded
Ophcrack
Cannot load SAM
SAM file cannot be loaded
Fcrackzip
No password found
Password not found for ZIP file
Pdfcrack
Slow cracking
PDF password cracking very slow
Arp-scan
No hosts found
No ARP responses received
Nbtscan
Timeout on all hosts
No NetBIOS responses from network
Dnsrecon
Zone transfer denied
AXFR zone transfer refused by DNS server
Dnschef
Cannot bind port 53
Port 53 already in use by systemd-resolved
P0f
No traffic captured
P0f not detecting any network traffic
Traceroute
All hops timeout
All hops showing * * * asterisks
Arping
No response
No ARP reply from target
Fping
Host unreachable
All hosts showing unreachable
Nping
Permission denied
Raw packet requires root privileges
Unicornscan
Scan hanging
Unicornscan appears stuck during scan
Exploitdb
Cannot find exploit
No results for search query
Ropper
Gadget not found
Required ROP gadget not found in binary
ROPgadget
Binary too large
ROPgadget analysis taking too long
Pwntools
Remote connection failed
Cannot connect to remote target
Pwntools
ELF loading error
Cannot load ELF binary for analysis
Checksec
Not installed
checksec command not found
One-gadget
No gadgets found
No one-gadget RCE found in libc
Payload-all-things
Resource not found
Cannot find payload file or cheatsheet
Metasploit
Evasion module error
Evasion module failed to generate payload
Metasploit
Pivot not working
Cannot route traffic through compromised host
Curl
SSL certificate problem
curl: SSL certificate problem: unable to get local issuer certificate
Curl
Connection refused
curl: Failed to connect: Connection refused
Wget
Certificate error
ERROR: cannot verify certificate
Wget
Download incomplete
Download interrupted or incomplete
Httpie
Install error
HTTPie installation failed
Arjun
No parameters found
No hidden parameters discovered
ParamSpider
No results
ParamSpider found zero URLs with parameters
Waybackurls
Rate limited
Wayback Machine API rate limiting requests
Gau
No URLs found
No archived URLs found for domain
Dalfox
XSS not found
No XSS vulnerabilities detected
XSSer
Cannot inject
All XSS payloads filtered by target
Commix
No injection found
Command injection not detected
LinPEAS
Permission denied
Cannot execute linpeas on target system
WinPEAS
AV blocking
Windows Defender blocking WinPEAS execution
LinEnum
Script not running
LinEnum.sh returning errors
Linux-exploit-suggester
No suggestions
No kernel exploits suggested
Windows-exploit-suggester
Cannot parse systeminfo
Failed to parse systeminfo output
GTFOBins
Binary not exploitable
SUID binary not in GTFOBins database
PEASS-ng
Download failed
Cannot download PEASS tools from GitHub
Sudo
Version exploit failed
Sudo exploit CVE not working on target
Mimikatz
Credential Guard blocking
Cannot dump credentials due to Credential Guard
Mimikatz
Token not found
Cannot find suitable token to impersonate
Rubeus
Clock skew error
KRB_AP_ERR_SKEW clock difference too great
Rubeus
TGT request failed
AS-REQ failed for kerberoasting
Sharphound
Collection error
SharpHound data collection failed
Powerview
Module not loading
PowerView.ps1 not loading in PowerShell
Lazagne
No credentials found
LaZagne found zero stored credentials
Seatbelt
Access denied errors
Seatbelt cannot access certain system info
SSH
Connection timed out
ssh: connect to host port 22: Connection timed out
SSH
Host key verification failed
Host key verification failed MITM warning
SSH
Tunnel not forwarding
SSH tunnel established but traffic not flowing
Chisel
Build from source failed
Cannot compile Chisel from source
Socat
PTY allocation failed
Cannot allocate PTY for interactive shell
Sshuttle
Cannot establish VPN
Sshuttle VPN tunnel failed to establish
Rpivot
Connection refused
Reverse SOCKS proxy not establishing
Proxychains
Strict chain failure
Strict chain: all proxies must be alive
APKTool
Decompile error
APKTool failed to decompile APK
APKTool
Rebuild failed
Cannot rebuild modified APK
Jadx
Decompilation failed
OutOfMemoryError during decompilation
Frida
Server version mismatch
Frida version mismatch between client and server
Frida
Process not found
Cannot find or attach to target process
Drozer
Agent not responding
Cannot connect to drozer agent on device
ADB
Device not found
adb: no devices/emulators found
ADB
Unauthorized device
Device unauthorized for ADB debugging
Kubectl
Cannot connect
Connection to cluster refused or unauthorized
Kubectl
Forbidden error
Error from server Forbidden
AWS CLI
Credentials not found
Unable to locate credentials for AWS CLI
AWS CLI
Access denied
AccessDenied when calling AWS API
Pacu
Module error
Pacu module failed during AWS exploitation
ScoutSuite
Scan incomplete
ScoutSuite scan finished with errors
Trivy
Cannot pull DB
Vulnerability database download failed
Podman
Permission denied
Cannot create container without root
Ncrack
Service not supported
Protocol not supported by Ncrack
Medusa
Module not found
Cannot find module for specified service
Patator
Python error
Python module error during execution
Crowbar
RDP brute force slow
RDP brute force extremely slow
Xfreerdp
Cannot connect
RDP connection failed to target
Rdesktop
Display error
RDP session display garbled or wrong resolution
Enum4linux-ng
Installation failed
Cannot install enum4linux-ng dependencies
Smbmap
Access denied
Access denied to all shares
Snmpwalk
Timeout on all OIDs
SNMP queries timing out
Onesixtyone
No communities found
No valid SNMP community strings found
Dnsmap
No subdomains
No subdomains found via brute force
Theharvester
No results
No emails or hosts found for domain
Dmitry
Scan timeout
DMITRY scan hanging on Whois lookups
Wafw00f
Cannot detect WAF
No WAF detected on target
Wapiti
Scan too slow
Wapiti web scan taking extremely long
Skipfish
Crashes during scan
Skipfish segfault or out of memory
Sqlninja
Connection error
Cannot connect to target database
Fimap
LFI not found
No local file inclusion detected
Weevely
Backdoor not connecting
Weevely cannot connect to uploaded shell
Mitmproxy
Certificate not trusted
Browser rejecting mitmproxy CA certificate
Mitmproxy
Cannot intercept HTTP2
HTTP/2 traffic not being intercepted
Nmap
Decoy scan blocked
Decoy packets being filtered by IDS
Nmap
IPv6 scan fails
Cannot scan IPv6 target address
Nmap
Aggressive scan timeout
Aggressive scan -A timing out on large network
Nmap
Zenmap not starting
Zenmap GUI fails to launch
Nmap
Spoofed scan fails
Spoofed source IP scan not working
Metasploit
Armitage connection error
Armitage cannot connect to msfrpcd
Metasploit
Payload encoder error
Encoder produced invalid output
Metasploit
Database migration error
ActiveRecord migration failed
Metasploit
Cannot load custom module
Custom module fails to load in framework
Airgeddon
Menu not displaying
Airgeddon interface not rendering correctly
Airgeddon
Dependencies missing
Multiple dependencies not found
Hostapd
Cannot start AP
Failed to create access point
Hostapd
Clients cannot connect
Clients see AP but cannot associate
Mdk4
Interface error
Cannot use interface for deauth flooding
Fern-WiFi-Cracker
GUI not loading
Fern WiFi Cracker window not appearing
Pixiewps
Computation failed
Pixie dust computation returned no result
Cowpatty
Invalid handshake
Handshake file format not recognized
Wash
No WPS APs found
wash not finding any WPS-enabled access points
Wifiphisher
Cannot create AP
Failed to create evil twin access point
Fluxion
Dependency check failed
Fluxion missing required dependencies
Wifite
PIX-DUST not available
Pixie dust attack dependency missing
Airbase-ng
Fake AP not visible
Fake access point not appearing to clients
Macchanger
Cannot change MAC
MAC address change failed on interface
Iw
Regulatory domain error
Cannot set channels due to regulatory domain
PostgreSQL
Cannot start service
PostgreSQL service failed to start
PostgreSQL
Connection refused
psql: could not connect to server: Connection refused
MySQL
Access denied for root
ERROR 1045 Access denied for user root
MySQL
Cannot connect
ERROR 2002 Cant connect to MySQL server
SQLite
Database locked
database is locked error
Redis
Connection refused
Could not connect to Redis at 127.0.0.1:6379
MongoDB
Auth failure
Authentication failed for MongoDB connection
Sqlitebrowser
File locked
Cannot open encrypted or locked database
CherryTree
Cannot open notebook
CherryTree notebook file corrupted
Pipal
Password analysis error
Pipal cannot analyze password list
Dradis
Cannot start server
Dradis web application failed to start
Maltego
Transform timeout
Maltego transform exceeded time limit
Faraday
Plugin error
Faraday plugin failed to import scan results
Eyewitness
Screenshot failed
Cannot capture screenshot of target
Docker
Container escape attempt
Cannot breakout from Docker container
Docker
Registry login failed
Cannot authenticate to private Docker registry
Docker
Volume mount permission
Permission denied accessing mounted volume
Podman
Image pull error
Cannot pull container image
Docker-compose
Service dependency error
Services starting in wrong order
Docker
Network driver error
Error creating network with specified driver
Trivy
High severity found
Critical vulnerabilities in container image
Grype
Cannot scan image
Grype failed to analyze container image
Sherlock
Rate limited
Too many requests to social media sites
Sherlock
False positives
Reporting accounts that dont exist
SpiderFoot
Scan stalling
SpiderFoot scan stuck at high percentage
SpiderFoot
Module error
SpiderFoot module threw exception during scan
Photon
Crawl incomplete
Photon stopped crawling before finishing
Holehe
API error
Holehe email check failing on some services
Maigret
Username not found
No accounts found for username across platforms
Metagoofil
No documents found
No metadata documents found for domain
Exiftool
Metadata stripped
No useful metadata found in file
FOCA
Cannot analyze
FOCA failing to extract metadata from documents
Iptables
Rules not persisting
Firewall rules lost after reboot
Iptables
Locked out of SSH
Cannot SSH after applying iptables rules
Nftables
Syntax error
nftables rule syntax is incorrect
NetworkManager
WiFi not connecting
WiFi connection fails or keeps disconnecting
Iproute2
Cannot add route
RTNETLINK answers: Network is unreachable
Openvpn
TLS handshake failed
TLS Error: TLS handshake failed
Wireguard
Cannot establish tunnel
Wireguard peer not connecting
Wireguard
No internet through VPN
Connected but no internet access through tunnel
UFW
Cannot enable
UFW failed to enable or start
Tcpflow
Cannot capture
tcpflow permission denied on interface
Etherape
No traffic visible
Etherape not displaying network traffic
Netstat
Command not found
netstat command not found on system
OpenSSL
Cannot generate certificate
OpenSSL certificate generation failed
OpenSSL
Cipher not available
SSL cipher not supported
Steghide
Wrong passphrase
Cannot extract embedded data from image
Stegcracker
Slow cracking
Stegcracker brute force very slow
Zsteg
No hidden data found
zsteg found no hidden data in PNG
Stegsolve
Java error
Stegsolve requires Java to run
GPG
Cannot decrypt file
gpg: decryption failed: No secret key
GPG
Key generation failed
Not enough random bytes available
Ccrypt
File corrupted after encrypt
Decrypted file is corrupted
Base64
Decode fails
Invalid base64 input during decode
Grep
Binary file matches
grep treating file as binary
Awk
Syntax error
awk syntax error in command
Sed
Cannot edit in place
sed in-place edit fails or corrupts file
Logrotate
Logs not rotating
Log files growing without rotation
Journalctl
Disk full from logs
Journal logs consuming excessive disk space
Foremost
Recovery incomplete
File carving missing expected files
Scalpel
Configuration error
Scalpel cannot parse configuration file
Bulk-extractor
Cannot process image
bulk_extractor failed on disk image
USBView
No USB devices shown
USB device viewer showing empty list
Bluetooth
Cannot scan
Bluetooth scanning not finding devices
Bluez
Pairing failed
Bluetooth pairing with device failed
HackRF
Device not detected
HackRF SDR not detected by system
RTL-SDR
Cannot access device
RTL-SDR dongle permission denied or busy
Arduino
Upload failed
Cannot upload sketch to Arduino board
Raspberry Pi
SSH not connecting
Cannot SSH into Raspberry Pi
Flipper Zero
Firmware update failed
Flipper Zero firmware update stuck or failed
Bash
Permission denied script
bash: permission denied when running script
Bash
Syntax error unexpected
bash: syntax error near unexpected token
Bash
Command not found
bash: command: command not found
PowerShell
Execution policy blocked
PowerShell script execution is disabled
PowerShell
Module not found
Import-Module: specified module was not found
Ruby
Gem install error
ERROR: Failed to build gem native extension
Go
Build failed
go build: cannot find module providing package
Perl
Module not installed
Can not locate module in @INC
Ansible
Connection refused
SSH connection failed to managed host
Cron
Job not executing
Cron job not running at scheduled time
Java
Version conflict
Java version mismatch for application
Node
npm install fails
npm ERR during package installation
PHP
Extension not loaded
PHP extension not available
Tmux
Session not found
Tmux no server running on specified socket
Screen
Cannot attach
screen session is multi-attached or dead
Vim
Plugin errors
Vim plugin causing errors on startup
Nginx
502 Bad Gateway
Nginx returning 502 error
Apache
403 Forbidden
Apache returning 403 for all requests
Systemctl
Unit not found
Failed to start unit: Unit not found
Journald
High memory usage
systemd-journald consuming too much memory
Fail2ban
Not banning
Fail2ban not blocking brute force attempts
Clamav
Database update failed
freshclam: database update failed
Rkhunter
False warnings
rkhunter reporting false positive warnings
Lynis
Hardening index low
Lynis audit showing low hardening score
Chkrootkit
False positives
chkrootkit reporting suspicious files
Netcat
Bind shell not connecting
Connection to bind shell on target fails
Socat
File transfer failed
Socat file transfer interrupted
Responder
WPAD not working
WPAD proxy detection not capturing hashes
Responder
Hash not cracking
Captured NTLMv2 hash not cracking
Nmap
Script scan timeout
Script scan --script taking very long
Metasploit
Exploit requires target
Exploit requires manual target selection
Aircrack-ng
Key not found in cap file
Unable to find WPA handshake in capture
Hashcat
Rule file not found
Rule file specified does not exist
Hydra
HTTP redirect loop
Hydra stuck in HTTP redirect loop
SQLmap
CSRF token blocking
CSRF token invalidating SQLmap requests
Gobuster
VHOST mode error
Virtual host enumeration returning false results
Ffuf
Recursion limit
Ffuf recursion depth exceeded limit
Burp Suite
Intruder payload error
Intruder payload position not set correctly
Python
Scapy import error
ImportError: No module named scapy
Python
Pycryptodome error
Cannot import Crypto module
Git
Submodule clone failed
Submodule repository clone failed
Docker
DNS resolution failed inside container
Cannot resolve hostnames from within container
Docker
Layer already exists
Layer already being pushed to registry
Kali Linux
Apt autoremove risky
autoremove wants to remove important packages
Kali Linux
DNS resolution fails
Temporary failure in name resolution
Kali Linux
USB WiFi drops
WiFi adapter disconnecting during operation
Kali Linux
Cannot mount NTFS
NTFS volume cannot be mounted read-write
Kali Linux
Kernel headers missing
Cannot compile kernel modules without headers
Kali Linux
Time sync failure
System time not syncing with NTP
Kali Linux
Cannot resize filesystem
resize2fs: Bad magic number in super-block
Kali Linux
Grub update warning
Grub update showing warnings about BIOS compatibility
Kali Linux
Login loop
Keeps returning to login screen after entering password
Kali Linux
Virtual console blank
TTY virtual consoles showing blank screen
Kali Linux
Package held back
Packages have been kept back during upgrade
Kali Linux
Locate database empty
locate: database does not exist or empty
Nmap
Traceroute fails
Traceroute option not working in scan
Metasploit
Web delivery fails
Web delivery payload not executing on target
Metasploit
Aux scanner crashes
Auxiliary scanner module throwing exception
Hashcat
Outfile not created
Output file not generated after cracking
Hashcat
Restore failed
Cannot restore hashcat session
SQLmap
Tamper script error
Tamper script raised exception
Aircrack-ng
Wordlist not found
Specified wordlist file does not exist
Hydra
Verbose output confusing
Cannot determine success from Hydra output
Burp Suite
Active scan blocked
Active scan not finding vulnerabilities
Wireshark
Follow stream empty
TCP stream follow showing no data
Nmap
Version scan inaccurate
Service version detected incorrectly
Metasploit
Stager connection error
Stager cannot download full payload
Kali Linux
DKMS build failure
DKMS module build failed for kernel
Kali Linux
Systemd user session error
Failed to create user session
Kali Linux
Snapd eating CPU
snapd process consuming 100% CPU
Kali Linux
PipeWire audio issues
PipeWire replacing PulseAudio causing issues
Docker
Image size too large
Docker image consuming too much disk space
Python
Requests proxy error
ProxyError: Cannot connect through proxy
Git
Repository too large
Cloning extremely slow or running out of disk
Nikto
False positive results
Nikto reporting issues that are not real
WPScan
Plugin vuln false positive
Vulnerability reported for patched plugin version
Nuclei
Too many results
Nuclei returning thousands of informational findings
Volatility
Wrong Python version
Volatility not working with installed Python
CrackMapExec
NTLM relay setup
Cannot set up NTLM relay attack properly
Impacket
Kerberos clock skew
KRB_AP_ERR_SKEW time difference too great
Enum4linux
RPC connection error
RPC connection to target failed
Smbclient
Share enumeration denied
NT_STATUS_ACCESS_DENIED listing shares
Bloodhound
Data import error
Cannot import JSON data into BloodHound
Evil-WinRM
Ruby error on launch
Ruby error when starting Evil-WinRM
Chisel
Reverse not working
Reverse port forward through chisel fails
SSH
Key too open permissions
WARNING: UNPROTECTED PRIVATE KEY FILE
Proxychains
SOCKS5 handshake error
SOCKS5 proxy handshake failed
OpenVPN
TUN device not available
Cannot open TUN/TAP dev /dev/net/tun
Wireguard
Peer handshake fails
No recent handshake with peer
Ncrack
Slow brute force
Ncrack running very slowly on RDP
Masscan
Cannot find router
Failed to detect gateway MAC for scanning
Nikto
Outdated database
Plugin database is outdated
Zap
Scan policy error
Custom scan policy causing scan failures
Netdiscover
Wrong interface
Scanning on wrong network interface
Tcpdump
Capture filter syntax error
tcpdump: syntax error in filter expression
Medusa
Target not responding
All connection attempts timing out
Wfuzz
Cookie not set
Session cookie not being sent with requests
Arp-scan
No response from hosts
ARP scan returning no results
Hping3
Flooding not working
SYN flood not generating expected traffic
Ettercap
ARP poisoning detected
Target has ARP poisoning detection enabled
Bettercap
HTTPS proxy error
HTTPS proxy module failing to intercept
Sublist3r
Rate limited
Search engines blocking automated queries
Amass
Memory exhausted
Amass consuming all available memory
Theharvestor
Rate limited by Google
Google blocking theHarvester queries
Nuclei
Custom template error
Custom nuclei template not executing
Sqlninja
Cannot fingerprint DBMS
SQL Ninja cannot identify database type
Weevely
Shell execution blocked
PHP commands not executing through webshell
Mitmproxy
Cannot start
mitmproxy failed to start
Cewl
Encoding error
CeWL crashing with encoding error
Ghidra
Analysis slow
Ghidra auto-analysis taking very long
Radare2
Plugin not found
r2 plugin or module not available
GDB
Segfault during debug
GDB crashes while debugging target binary
Apktool
Smali error
Smali compilation error during APK rebuild
Frida
Script injection fails
Cannot inject Frida script into target process
ADB
USB debugging not enabled
Cannot connect to Android device via USB
Kubectl
Pod crash loop
Pod is in CrashLoopBackOff state
AWS CLI
STS token expired
ExpiredTokenException from AWS STS
Msfvenom
Bad characters in shellcode
Payload contains restricted bad characters
Crackmapexec
WinRM connection fails
WinRM connection refused or timeout
Kali Linux
Firmware missing error
Firmware file not found for hardware device
Kali Linux
Mate desktop issues
MATE desktop not rendering correctly
Kali Linux
Apt sources duplicate
Duplicate sources entry warning during update
Kali Linux
User not in sudoers
User is not in the sudoers file. This incident will be reported
Kali Linux
Virtualbox guest additions fail
VirtualBox Guest Additions build failed
Kali Linux
Cannot print
Printer not detected or not printing
Kali Linux
File manager crash
Thunar or Nautilus file manager crashing
Kali Linux
Cannot set static IP
Static IP configuration not applying
Kali Linux
Screen tearing
Visual tearing during window movement
Kali Linux
Autologin not working
Automatic login disabled or not working
Kali Linux
Keyring password prompt
Unlock keyring popup on every login
Kali Linux
CPU fan running high
CPU fan running at maximum constantly
Kali Linux
Touchpad not working
Touchpad not detected on laptop
Kali Linux
Bluetooth headphones no audio
Bluetooth headphones connected but no sound
Kali Linux
Cannot open terminal
Terminal emulator not launching
Kali Linux
Network speed slow
Network throughput much lower than expected
Kali Linux
Cannot change hostname
Hostname change not persisting after reboot
Kali Linux
Disk IO very slow
File operations extremely slow
Kali Linux
Power management issues
Laptop not suspending or battery draining fast
Kali Linux
Multiple Python versions
Confusion between Python 2 and Python 3
Kali Linux
Cannot open port
Application cannot bind to port
Kali Linux
Repository mismatch
Repository component changed from non-free to non-free-firmware
Nmap
SYN scan permission
TCP SYN scan requires root on Unix
Metasploit
Module option required
Module cannot run without required options set
Burp Suite
Upstream proxy error
Cannot connect through upstream proxy
Aircrack-ng
BSSID not found
Specified BSSID not found in range
SQLmap
Encoding error in output
UnicodeDecodeError during data extraction
Hydra
SSH brute force slow
SSH login brute force very slow
John the Ripper
Cannot crack bcrypt
Bcrypt hash cracking extremely slow
Hashcat
Benchmark varies
Hashcat benchmark showing different speeds each run
Docker
Compose version error
Unsupported docker-compose file version
Kali Linux
Desktop icons missing
Desktop icons not showing on XFCE
Git
Credential helper error
Git credential helper not storing password
Wireshark
Capture filter vs display filter
Filter syntax wrong type applied
Python
Pip upgrade error
Cannot upgrade pip itself
Kali Linux
Live USB persistence lost
Persistent partition data lost after reboot
Kali Linux
Cannot create user
useradd or adduser command fails
Kali Linux
Systemctl mask issue
Service is masked and cannot be started
Nmap
Scan interrupted resume
Large Nmap scan interrupted needs resume
Metasploit
Cannot update
msfupdate or apt upgrade failing
Burp Suite
Scope regex error
Scope configuration using invalid regex
Hashcat
Benchmark GPU not found
No GPU detected during hashcat benchmark
Kali Linux
Metapackage broken
kali-linux-default metapackage broken
Kali Linux
Cannot dual boot
Kali not showing in GRUB alongside Windows
Kali Linux
Apt upgrade held back
Some packages were held back during upgrade
Kali Linux
Backports repository error
Backports repository not available
Kali Linux
VM guest clipboard sync
Copy paste stops working after a while
Kali Linux
Display brightness control
Cannot adjust screen brightness on laptop
Kali Linux
Tor browser not starting
Tor Browser fails to launch on Kali
Kali Linux
Nvidia driver black screen
Black screen after installing NVIDIA drivers
Kali Linux
Suspend resume black screen
Black screen after resuming from suspend
Kali Linux
Cannot format USB
Cannot format USB drive in Kali
Nmap
Cannot scan localhost
Nmap scan on 127.0.0.1 shows no open ports
Metasploit
Payload not compatible
Payload is not compatible with selected exploit
Python
Scapy sniff permission
OSError: Operation not permitted when sniffing
Kali Linux
PulseAudio crackling
Audio crackling or popping sounds
Kali Linux
Git clone depth
Full git clone too large and slow
Kali Linux
Pip hash mismatch
THESE PACKAGES DO NOT MATCH THE HASHES
Kali Linux
VMware tools not starting
vmtoolsd not running in VMware guest
Kali Linux
2FA time-based code wrong
TOTP codes not matching for OTP apps
Kali Linux
Stderr permission denied
bash: /dev/stderr: Permission denied
Kali Linux
Tab completion not working
Tab auto-completion broken in terminal
apt
Hash sum mismatch
E: Failed to fetch, Hash Sum mismatch
apt
Could not get lock
E: Could not get lock /var/lib/apt/lists/lock
apt
Unmet dependencies
E: Unmet dependencies. Try apt --fix-broken install
apt
Repository is not signed
E: The repository is not signed
apt
Unable to locate package
E: Unable to locate package tool-name
apt
Held broken packages
E: Unable to correct problems, you have held broken packages
apt
Connection timed out
E: Unable to connect to kali.download, connection timed out
apt
Disk space full during install
E: You dont have enough free space in /var/cache/apt/archives
apt
Sub-process dpkg error
E: Sub-process /usr/bin/dpkg returned an error code
apt
NO_PUBKEY error
W: GPG error, NO_PUBKEY XXXXXXXX
apt
Release file expired
E: Release file is not valid yet or has expired
apt
Conflicting packages
E: Package conflicts with another package
dpkg
Package architecture mismatch
dpkg: error processing package, wrong architecture
dpkg
Overwrite error
dpkg: error trying to overwrite file already in package
dpkg
Status database locked
dpkg: error: dpkg status database is locked by another process
NetworkManager
WiFi not showing
WiFi networks not visible in NetworkManager
NetworkManager
Ethernet disconnected
Wired connection showing as disconnected
NetworkManager
DNS not resolving
Could not resolve hostname, Temporary failure in name resolution
iptables
All traffic blocked
No internet after configuring iptables rules
ifconfig
Command not found
ifconfig: command not found
iwconfig
No wireless extensions
wlan0: no wireless extensions
OpenVPN
Cannot allocate TUN
ERROR: Cannot allocate TUN/TAP device
WireGuard
Interface not created
Cannot create WireGuard interface
SSH
Connection refused port 22
ssh: connect to host: Connection refused
SSH
Too many authentication failures
Received disconnect: Too many authentication failures
wget
Certificate not trusted
ERROR: cannot verify certificate, unable to get issuer
ping
Operation not permitted
ping: socket: Operation not permitted
VirtualBox
Kernel driver not installed
Kernel driver not installed (rc=-1908)
VirtualBox
Guest additions failed
Unable to insert Guest Additions CD image
VirtualBox
Shared folder permission denied
Cannot access shared folder, permission denied
VirtualBox
USB device not detected
USB device not passed to Kali guest
VirtualBox
Network adapter not working
No internet in VirtualBox Kali guest
VirtualBox
VT-x not available
VT-x/AMD-V not available on your system
VirtualBox
Black screen on boot
Kali shows black screen in VirtualBox
VMware
vmmon not loaded
Could not open /dev/vmmon: No such file
VMware
VM tools not working
VMware Tools not running in Kali guest
VMware
Drag drop not working
Cannot drag and drop files to Kali VM
VMware
Fullscreen resolution wrong
Kali resolution not adjusting to fullscreen
WiFi Driver
RTL8812AU not working
Realtek RTL8812AU adapter not recognized
WiFi Driver
RTL8814AU driver install failed
DKMS build failed for rtl8814au
WiFi Driver
Atheros not detected
Atheros wireless adapter not recognized
WiFi Driver
Intel WiFi not working
Intel wireless adapter firmware missing
WiFi Driver
Monitor mode not supported
Device does not support monitor mode
WiFi Driver
Adapter keeps disconnecting
USB WiFi adapter disconnecting frequently
WiFi Driver
No managed mode
Cannot switch back to managed mode from monitor
WiFi Driver
Driver compilation failed
make errors building wireless driver
Metasploit
msfconsole not starting
msfconsole command not found or fails to start
Metasploit
Cannot connect to database
Failed to connect to the Metasploit database
Metasploit
Encoder shikata_ga_nai failed
Encoder failed: shikata_ga_nai cannot encode payload
Metasploit
EternalBlue not working
MS17-010 exploit failed, target may be patched
Metasploit
PSExec access denied
Rex::Proto::SMB::Exceptions::LoginError ACCESS_DENIED
Metasploit
Meterpreter load error
Failed to load extension: stdapi
Nmap
Masscan vs Nmap which to use
Confused about when to use Nmap vs Masscan
Nmap
Script scan taking forever
--script=vuln scan extremely slow on target
Nmap
Zenmap not found
zenmap: command not found
Burp Suite
Cannot intercept HTTPS
HTTPS traffic not visible in Burp proxy
Burp Suite
Free version limitations
Cannot use Scanner or save in Community Edition
ZAP
Cannot start ZAP
OWASP ZAP fails to launch with error
ZAP
Spider not finding pages
ZAP spider returning very few results
pip
externally-managed-environment full fix
error: externally-managed-environment, PEP 668
pip
No module named pip
ModuleNotFoundError: No module named pip
pip
Requirement already satisfied
Requirement already satisfied but module not found
Python
SyntaxError invalid syntax
SyntaxError: invalid syntax running Python 2 script
Python
Tkinter not found
ModuleNotFoundError: No module named tkinter
Python
Requests module missing
ModuleNotFoundError: No module named requests
Python
Cryptography build failed
Failed building wheel for cryptography
Python
Pwntools install error
Error installing pwntools on Kali
Hashcat
Workload tuning
Hashcat running slow need performance tips
Hashcat
Convert to hashcat format
Hash format not compatible with hashcat
John the Ripper
Convert hash for john
Need to extract hash from file for John
John the Ripper
Pot file location
Where are cracked passwords stored
SQLmap
How to test POST request
Need to test POST parameter for SQL injection
SQLmap
Get shell through SQLi
Want to get OS command execution via SQLi
SQLmap
Extract database contents
How to dump database tables with sqlmap
Kali Linux
Permission denied executing script
bash: ./script.sh: Permission denied
Kali Linux
Command not found after install
Command not found even after apt install
Kali Linux
Cannot execute binary
cannot execute binary file: Exec format error
Kali Linux
Keyboard layout wrong
Wrong characters when typing in Kali
Kali Linux
Timezone and clock wrong
System showing wrong time and timezone
Kali Linux
How to change hostname
Want to change default kali hostname
Kali Linux
Default username password
What are default Kali Linux credentials
Kali Linux
How to enable SSH on boot
SSH not starting automatically on boot
Kali Linux
Kali stuck on boot
Kali Linux hangs during boot process
Kali Linux
How to update Kali properly
Best way to update Kali Linux fully
Kali Linux
Tor not connecting
Tor service failing to establish circuit
Kali Linux
How to install Kali on USB
Creating bootable Kali Linux USB drive
Kali Linux
Dual boot with Windows
Installing Kali alongside Windows
Kali Linux
WSL Kali no GUI
Kali WSL has no graphical interface
Kali Linux
VM import failed
Cannot import Kali VM image
LinPEAS
Cannot download to target
wget or curl not available on target
LinPEAS
Output too long to read
LinPEAS output flooding terminal
WinPEAS
Antivirus blocking execution
Windows Defender detected WinPEAS as malware
GTFOBins
SUID binary exploitation
Found SUID binary but cannot escalate
Sudo
User not in sudoers file
user is not in the sudoers file. This incident will be reported
Sudo
Sudo password timeout
Sudo keeps asking for password
Ghidra
Cannot analyze binary
Analysis failed or taking too long
Ghidra
Decompiler error
Decompiler failed for function
IDA Free
Cannot load binary
IDA cannot load or recognize file format
Objdump
Cannot disassemble
objdump showing no output or errors
Strings
No useful output
strings command returning too much garbage
Volatility
Plugin not found
Plugin not recognized by Volatility
Foremost
No files carved
No files recovered from disk image
Exiftool
Metadata not showing
Exiftool returning minimal metadata
Steghide
Cannot extract data
Steghide extraction failed
OpenSSL
Certificate expired
SSL certificate has expired
OpenSSL
Cannot generate key
Error generating RSA key pair
GPG
Decryption failed
gpg: decryption failed: No secret key
Gobuster
VHOST mode not working
VHOST enumeration returning false positives
Subfinder
No API keys configured
Subfinder finding fewer subdomains than expected
Httpx
Too many timeouts
httpx timing out on many targets
Nuclei
Too many false positives
Nuclei reporting non-exploitable findings
Whatweb
Fingerprint not found
WhatWeb cannot identify target technologies
Shodan
API key error
Shodan API key invalid or expired
Censys
Search not returning results
Censys search returning empty results
Theharvester
No results from source
theHarvester returning empty results
Crackmapexec
Module execution failed
CME module threw exception during execution
Bloodhound-python
Cannot collect data
Bloodhound-python authentication failed
Kerbrute
No valid users
Kerbrute userenum finding no valid users
Mimikatz
Sekurlsa not working
sekurlsa::logonpasswords returns empty
Rubeus
Ticket request failed
Rubeus cannot request TGT or TGS
Covenant
Grunt not calling back
Covenant grunt deployed but not connecting
CyberChef
Recipe not working
CyberChef recipe producing unexpected output
Pwntools
Cannot connect to target
Pwntools remote() connection failing
ROPgadget
No gadgets found
ROPgadget returning no useful gadgets
Objection
Cannot hook application
Objection failed to hook target app
MobSF
Analysis failed
MobSF static analysis failed on APK
Jadx
Decompilation incomplete
Some classes not decompiled properly
Drozer
Agent connection failed
Cannot connect drozer to Android device
Testssl
Slow scan
testssl.sh taking very long on target
SSLscan
Cannot connect
sslscan connection failure to target
Snort
Rules not loading
Snort failed to load rules file
Suricata
Service not starting
Suricata IDS failed to start
Fail2ban
Not blocking attacks
Fail2ban running but not banning IPs
Yara
Rule not matching
YARA rule not detecting expected malware
Hashid
Multiple possible types
hashid showing many possible hash types
Wpscan
Enumeration blocked
WordPress blocking WPScan requests
Dirbuster
Java heap error
DirBuster Java OutOfMemoryError
Responder
NTLM hash captured now what
Captured NTLM hash but need to crack it
Ntlmrelayx
Relay not working
ntlmrelayx not relaying captured credentials
Evil-WinRM
Shell commands failing
Commands not executing properly in Evil-WinRM
Chisel
Connection reset
Chisel tunnel connection keep resetting
Ligolo-ng
Route not working
Cannot reach target network through Ligolo tunnel
Stegseek
Wordlist not found
Cannot find rockyou.txt for stegseek
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