よく使うコマンド。 psで特定のプロセスだけ見る rubyのプロセスだけ見たいときps auxww | grep ruby が美しくないと感じる方向けに-Cオプションが便利。 ps -Cruby ufw USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND webapp 19078 0.0 2.6 113468 26572 ? Ssl 22:08 0:00 puma 2.10.2 (unix:///var/run/puma/my_app.sock) webapp 19084 0.3 18.3 845408 186564 ? Sl 22:08 0:16 \_ puma: cluster worker 0: 19078 healthd 2410 0.0 2.6 686832 27316 ? Ssl 2015 50:45 puma 2.11
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