Processes
Processes related cheatsheet collection with 3 quick references covering common commands, flags and real usage for developers and SRE.
Linux Troubleshooting Cheatsheet - System Fault Diagnosis Command Reference
A one-stop Linux troubleshooting reference organized by process/load, port/network, disk/memory, and logs/services, helping you quickly spot performance bottlenecks, connection anomalies, and resource hogs during live incidents.
lsof Cheatsheet - Linux Process & Port Diagnostics Reference
When a port refuses to start or a deleted file still pins disk space, lsof answers "who opened what": by process, port, user, or file. This reference covers the multi-axis lookups (listener + process, file-to-user, connections) and practical flags like +L1 for freeing files marked deleted-but-still-held.
ps Cheatsheet - Linux Process Management Reference
A ps process-management reference covering filtering by user, command, and state, custom output columns, process trees and threads, and the difference between aux and -ef styles.