I am miffed... This should work. I am using AWS and inside of a docker image but I would still expect this to work:
root@1e896e1e9c8e:~/shipamax/server# pgrep -d " " -f ^chromedriver
924
root@1e896e1e9c8e:~/shipamax/server# sudo kill -KILL 924
root@1e896e1e9c8e:~/shipamax/server# pgrep -d " " -f ^chromedriver
924
top's report of the process is:
924 root 20 0 0 0 0 Z 0.0 0.0 0:00.27 chromedriver
kill -9
answer above. – Stephen Kitt Feb 15 '18 at 13:58