Kill user session via loginctl

kill_session.sh

#!/bin/bash

#
# Program: Kill user session via loginctl <kill_session.sh>
#
# Author: Mikhail Grigorev <sleuthhound at gmail dot com>
# 
# Current Version: 1.0.1
#
# License:
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#

USER_LOGIN=$1

if [ -n "${USER_LOGIN}" ]; then
    USER_SESSION_LIST=($(loginctl 2>/dev/null | grep ${USER_LOGIN} | awk -F' ' '{print $1}' | sed 's/^[ \t]*//;s/[ \t]*$//' 2>/dev/null))
    for ((i=0; i<${#USER_SESSION_LIST[@]}; i++)); do
        echo "Terminate session: ${USER_SESSION_LIST[$i]}"
        loginctl terminate-session ${USER_SESSION_LIST[$i]}
    done
fi

wget -O - https://gist.githubusercontent.com/CHERTS/1832cc204c5bae8ff4f6eb442504bef2/raw/kill_session.sh | bash /dev/stdin "myuser_login"