Linux Signal Reference & Kill Command Builder — Free Developer Tool
⚡ Linux Signal Reference
Kill command builder + complete signal reference for sysadmins and developers
Kill Command Builder
Generated command
kill -15 12345
Signal Details
Common Patterns
Graceful restart nginx:
kill -HUP $(cat /var/run/nginx.pid)
kill -HUP $(cat /var/run/nginx.pid)
Check if PID alive:
kill -0 $PID && echo “running”
kill -0 $PID && echo “running”
Pause + resume:
kill -STOP $PID; kill -CONT $PID
kill -STOP $PID; kill -CONT $PID
Kill by port (Linux):
fuser -k 8080/tcp
fuser -k 8080/tcp
Kill all Python procs:
pkill -f “python.*myapp”
pkill -f “python.*myapp”
Timeout then force kill:
kill -15 $PID; sleep 5; kill -9 $PID
kill -15 $PID; sleep 5; kill -9 $PID
Complete Signal Reference
| Num | Name | Action | Description & Use Cases |
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