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#infrastructure

All articles tagged #infrastructure — practical guides from production experience.

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52 posts tagged #infrastructure · page 2 of 6

April 22, 2026·4 min read

Linux Move Files Between Directories: mv and rsync Examples

Move files between directories in Linux using mv and rsync — handle cross-filesystem moves, rename files, move with wildcards, and avoid common mistakes.

#linux#infrastructure#troubleshooting#debugging
April 22, 2026·5 min read

Linux Kill Process by Port: Step-by-Step Guide

Kill a process by port number on Linux — using fuser, lsof, ss + kill, and pkill. Step-by-step with real examples for each method.

#linux#troubleshooting#debugging#infrastructure
April 22, 2026·5 min read

How to Find Process by Name in Linux: pgrep, ps, pidof

Find a Linux process by name using pgrep, ps, pidof, and top — with real examples for scripting, killing, and monitoring processes in production.

#linux#troubleshooting#debugging#infrastructure
April 22, 2026·5 min read

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#troubleshooting#infrastructure#debugging
April 22, 2026·5 min read

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#troubleshooting#debugging#infrastructure
April 22, 2026·5 min read

Linux Check Running Services with systemctl: Real Examples

Check running services in Linux using systemctl — list active units, find failed services, check service status, and filter by type with real command examples.

#linux#infrastructure#troubleshooting#monitoring
April 22, 2026·5 min read

Linux Check Memory Usage: free vs top Explained

Check memory usage in Linux using free, top, and /proc/meminfo — understand available vs free, detect memory pressure, and identify memory-hungry processes.

#linux#monitoring#troubleshooting#infrastructure
April 22, 2026·5 min read

Linux Check Last Login Users: last, lastlog, who

Check last login history in Linux using last, lastlog, and who — find recent logins, failed attempts, and suspicious access patterns for security audits.

#linux#security#troubleshooting#infrastructure
April 22, 2026·5 min read

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#troubleshooting#infrastructure#debugging
#infrastructure Articles — Linux & DevOps Troubleshooting | damonsec.com