Here’s 7-step debugging playbook:
\ud83d\udc49 \ud835\udde6\ud835\ude01\ud835\uddf2\ud835\uddfd \ud835\udfed: \ud835\udde9\ud835\uddf2\ud835\uddff\ud835\uddf6\ud835\uddf3\ud835\ude06 \ud835\ude01\ud835\uddf5\ud835\uddf2 \ud835\uddfc\ud835\uddef\ud835\ude03\ud835\uddf6\ud835\uddfc\ud835\ude02\ud835\ude00
\ud83d\udd3a ps aux | grep process_name \u2192 Is it actually dead?
\ud83d\udd3apgrep -fl process_name \u2192 Double-check memory
\ud83d\udd3admesg -T | tail -50 \u2192 Look for segfaults or OOM kills
\ud83d\udc49 \ud835\udde6\ud835\ude01\ud835\uddf2\ud835\uddfd \ud835\udfee: \ud835\udddb\ud835\ude02\ud835\uddfb\ud835\ude01 \ud835\ude01\ud835\uddf5\ud835\uddff\ud835\uddfc\ud835\ude02\ud835\uddf4\ud835\uddf5 \ud835\ude00\ud835\ude06\ud835\ude00\ud835\ude01\ud835\uddf2\ud835\uddfa \ud835\uddf9\ud835\uddfc\ud835\uddf4\ud835\ude00
\ud83d\udd3ajournalctl -xe –no-pager -n 50 \u2192 Recent errors before crash
\ud83d\udd3atail -f \/var\/log\/syslog \u2192 Live warnings and crash messages
\ud83d\udc49 \ud835\udde6\ud835\ude01\ud835\uddf2\ud835\uddfd \ud835\udfef: \ud835\uddd6\ud835\uddf5\ud835\uddf2\ud835\uddf0\ud835\uddf8 \ud835\uddff\ud835\uddf2\ud835\ude00\ud835\uddfc\ud835\ude02\ud835\uddff\ud835\uddf0\ud835\uddf2 \ud835\uddf0\ud835\uddfc\ud835\uddfb\ud835\ude00\ud835\ude02\ud835\uddfa\ud835\uddfd\ud835\ude01\ud835\uddf6\ud835\uddfc\ud835\uddfb
\ud83d\udd3atop -o %CPU \u2192 High CPU usage patterns
\ud83d\udd3a top -o %MEM \u2192 Memory limit breaches
\ud83d\udd3admesg | grep -i “oom” \u2192 OOM Killer activity
\ud83d\udc49 \ud835\udde6\ud835\ude01\ud835\uddf2\ud835\uddfd \ud835\udff0: \ud835\udddc\ud835\uddfb\ud835\ude03\ud835\uddf2\ud835\ude00\ud835\ude01\ud835\uddf6\ud835\uddf4\ud835\uddee\ud835\ude01\ud835\uddf2 \ud835\ude00\ud835\ude01\ud835\uddfc\ud835\uddff\ud835\uddee\ud835\uddf4\ud835\uddf2 \ud835\uddf6\ud835\ude00\ud835\ude00\ud835\ude02\ud835\uddf2\ud835\ude00
\ud83d\udd3a df -h \u2192 Disk space exhaustion
\ud83d\udd3a iostat -xm 1 \u2192 I\/O bottlenecks causing freezes
\ud83d\udd3a dmesg | grep -i “error” \u2192 File system corruption
\ud83d\udc49 \ud835\udde6\ud835\ude01\ud835\uddf2\ud835\uddfd \ud835\udff1: \ud835\uddd9\ud835\uddf6\ud835\uddfb\ud835\uddf1 \ud835\uddf3\ud835\uddf6\ud835\uddf9\ud835\uddf2 \ud835\uddf9\ud835\uddfc\ud835\uddf0\ud835\uddf8 \ud835\uddf6\ud835\ude00\ud835\ude00\ud835\ude02\ud835\uddf2\ud835\ude00
\ud83d\udd3alsof -p <PID> \u2192 Stuck on locked files
\ud83d\udd3alsof | grep -iE “deleted|locked” \u2192 Lingering file problems
\ud83d\udc49 \ud835\udde6\ud835\ude01\ud835\uddf2\ud835\uddfd \ud835\udff2: \ud835\udde7\ud835\uddff\ud835\uddee\ud835\uddf0\ud835\uddf8 \ud835\uddf2\ud835\ude05\ud835\ude01\ud835\uddf2\ud835\uddff\ud835\uddfb\ud835\uddee\ud835\uddf9 \ud835\uddf8\ud835\uddf6\ud835\uddf9\ud835\uddf9\ud835\ude00
\ud83d\udd3ajournalctl -u process_name –no-pager -n 50 \u2192 Manual terminations
\ud83d\udd3alastcomm | grep process_name \u2192 Who sent the kill signal
\ud83d\udc49 \ud835\udde6\ud835\ude01\ud835\uddf2\ud835\uddfd \ud835\udff3: \ud835\udde5\ud835\uddf2\ud835\uddee\ud835\uddf9-\ud835\ude01\ud835\uddf6\ud835\uddfa\ud835\uddf2 \ud835\uddf1\ud835\uddf2\ud835\uddef\ud835\ude02\ud835\uddf4\ud835\uddf4\ud835\uddf6\ud835\uddfb\ud835\uddf4
\ud83d\udd3astrace -p <PID> \u2192 Live syscall monitoring
\ud83d\udd3agdb -p <PID> \u2192 Attach debugger for deep inspection
The key is following this systematically rather than randomly trying commands.
Whether you manage AWS workloads, Kubernetes clusters, or bare metal servers, this debugging flow works universally.<\/p><\/p>\n\n\n\n
Source @livingdevops<\/p>\n","protected":false},"excerpt":{"rendered":"
Here’s 7-step debugging playbook: \ud83d\udc49 \ud835\udde6\ud835\ude01\ud835\uddf2\ud835\uddfd \ud835\udfed: \ud835\udde9\ud835\uddf2\ud835\uddff\ud835\uddf6\ud835\uddf3\ud835\ude06 \ud835\ude01\ud835\uddf5\ud835\uddf2 \ud835\uddfc\ud835\uddef\ud835\ude03\ud835\uddf6\ud835\uddfc\ud835\ude02\ud835\ude00\ud83d\udd3a ps aux | grep process_name \u2192 Is it actually dead?\ud83d\udd3apgrep -fl process_name \u2192 Double-check memory\ud83d\udd3admesg -T | tail -50 \u2192…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,9],"tags":[],"class_list":["post-415","post","type-post","status-publish","format-standard","hentry","category-cheat-sheet","category-linux"],"_links":{"self":[{"href":"https:\/\/www.eatmaja.co.id\/eka\/wp-json\/wp\/v2\/posts\/415","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.eatmaja.co.id\/eka\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.eatmaja.co.id\/eka\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.eatmaja.co.id\/eka\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.eatmaja.co.id\/eka\/wp-json\/wp\/v2\/comments?post=415"}],"version-history":[{"count":0,"href":"https:\/\/www.eatmaja.co.id\/eka\/wp-json\/wp\/v2\/posts\/415\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.eatmaja.co.id\/eka\/wp-json\/wp\/v2\/media?parent=415"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.eatmaja.co.id\/eka\/wp-json\/wp\/v2\/categories?post=415"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.eatmaja.co.id\/eka\/wp-json\/wp\/v2\/tags?post=415"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}