kill all ruby processes - Notes

Kill all at once

for each in `ps -eo pid,command | grep ruby | grep -v grep | awk '{print $1}' `; do kill -9 $each;done
killall −9 ruby
pkill -9 ruby
pidof ruby | xargs kill -9
ps aux | grep sidekiq | awk '{print $2}' | xargs kill

From: http://alwayscoding.ca/momentos/2013/09/24/killing-all-ruby-processes/

Kill a specific process

Let's say we cant to kill a puma process. First we find all processes running associated with puma

$ ps aux | grep puma

harrylevine       2353   0.0  0.1  4670796  14948   ??  S    12:53PM   0:07.74 puma: cluster worker 1: 837 [zestful_app]
harrylevine        862   0.0  0.0  4642368   6068   ??  S    Tue08AM   0:13.50 puma: cluster worker 0: 837 [zestful_app]
harrylevine      14347   0.0  0.0  4267948    408 s003  R+   12:01PM   0:00.00 grep --color=auto --exclude-dir=.bzr --exclude-dir=CVS --exclude-dir=.git --exclude-dir=.hg --exclude-dir=.svn puma

Then let's say we want to kill the first one, which has the PID of 2353. We run:

$ kill -9 2353