[bash]#!/bin/bash
#=============================================#
# To force logout sb Modify by ihipop #
# ~~~~~~~~~~~~~~ #
# ihipop.info 19:42 2010-8-20 #
#---------------------------------------------#
function userpids(){
if [ $# == 1 ]; then
ps -o pid= -u $1
else
echo "Usage: userpids <user>"
fi
}
function ttypids(){
if [ $# == 1 ]; then
ps -o pid= -t $1
else
echo "Usage: ttypids <tty>"
fi
}
MESSAGE="$HOME/.kick/message"
case $# in
# if only one argument is specified, kick out the user
1)
# check if the user is in the system
if [ "$1" == "root" ]; then
echo "Suicide is not allowed for root user!"
exit
fi
i=whoami
if [ "$1" == "i" ]; then
echo "Suicide is not allowed!"
exit
elif [ "$i" != "root" ]; then
echo "Acces Denied~！"
exit
fi
getent passwd $1 >/dev/null
if [ "$?" == "0" ]; then
# if exists...
TTYS=$(ps -o tty= -u $1|grep -v '?')
for TTY in $TTYS; do
cat $MESSAGE > /dev/$TTY
done
i=userpids $1
if [ "$i" != "" ]; then
kill -9 $(userpids $1)
else
echo "User didn't logged in!"
fi
else
# otherwise...
echo "$1: No such user"
fi
;;
# if two, then kill processes on the tty=$2
2)
TTY=$2
# check if tty exists
if [ -e /dev/$TTY ]; then
# show the message first
cat $MESSAGE > /dev/$TTY
kill -9 $(ttypids $TTY)
else
echo "$TTY: No such tty"
fi
;;
# if no, then show usage
*)
echo "Usage: kick <user>"
echo " kick tty <tty> "
;;
esac
[/bash]
[text]
: :
: :
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.' :
_.-" :
_.-" '.
..__...____...-" :
: \_\ :
: .--" :
.__/ .-" _ :,(_,'L_,_____ ____....__ _.'
/ / ," ,- .'
(_)(
"' " """"""" """ hei,FUCK you!
[/text]
a more simple way see ：http://www.cyberciti.biz/tips/howto-linux-kill-and-logout-users.html
skill -KILL -u username
pkill -kill -t tty