#debugging
All articles tagged #debugging — practical guides from production experience.
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50 posts tagged #debugging · page 3 of 6
Linux Find Files Older Than X Days: find -mtime Examples
Find files older than X days in Linux using find -mtime — with real examples for log cleanup, archiving old files, and safe deletion workflows.
Linux Find File by Name and Size: Real Examples
Use Linux find command to locate files by name pattern, size, date, and permissions — with real production examples and combined search techniques.
Linux Check File Size: ls, du, stat Command Examples
Check file size in Linux using ls -lh, du, and stat — understand apparent size vs disk usage, find files by size, and script size checks with real examples.
Linux Check Disk Usage by Folder: du Command Guide
Check disk usage by folder in Linux with du — sort directories by size, drill down to find what's consuming space, and use ncdu for interactive exploration.
journalctl Filter by Time Range: Real Examples
Filter journalctl output by time range, unit, priority, and keyword — with real command examples for production incident investigation and log triage.
How to Extract tar.gz in Linux: All Formats Covered
Extract tar.gz files in Linux — handle .tar.gz, .tar.bz2, .tar.xz, and .zip formats, extract to specific directories, and handle common extraction errors.
How to Delete Large Files in Linux Safely
Delete large files in Linux safely — handle open file handles, free disk space immediately with truncate, use rm correctly, and recover from accidental deletion.
How to Copy Files Recursively in Linux: cp, rsync Examples
Copy files recursively in Linux with cp and rsync — preserve permissions, sync directories, copy over SSH, and handle large transfers efficiently.
How to Check DNS Server in Linux: dig, nslookup, resolvectl
Check which DNS server Linux is using with resolvectl, dig, and cat /etc/resolv.conf — verify DNS resolution, test specific servers, and debug DNS configuration.