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9sudo who | awk '!/root/{ cmd="/sbin/pkill -KILL -u " $1; system(cmd)}'
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Logs all users out except root. I changed the grep to use a regexp in case a user's username contained the word root.
3who -u | grep -vE "^root " | kill `awk '{print $7}'` -
This command logs out all users - which is way more secure to use ps -ef and "grep" to kill processes. Never ever use ps -ef piped to grep to kill something. If you ever need to ps-something use the UNIX95-directive, which makes sure you will never need "grep" together with "ps".
2skill -KILL -v /dev/pts/* -
Only to logout all users except root
1who -u | grep -vE "^root " | kill `awk '{print $6}'`
What do you think?
Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?
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who -u|grep -v root|awk {'print $6'}|sort -u|kill `awk {'print $0'}`who -u|grep -v root|awk {'print $6'}|uniq|kill `awk {'print $0'}`