Short script for creating a backup an updating Teamspeak server automatically.

update-teamspeak.sh

# Upgrade for Teamspeak Server
# Call this script with eg. bash update-teamspeak.sh 3.12.1
# Please set absolute paths!
# Set here your server directory
TSPATH=/home/teamspeak
# Path where server gets backuped befor upgrade
BACKUPPATH=/backup

if [ -z "$1" ]; then
        echo "No version number given."
elif [[ $1 =~ [[:digit:]]{1,2}\.[[:digit:]]{1,2}\.[[:digit:]]{1,2} ]]; then
        echo "Start upgrade"
        wget -O /tmp/teamspeak3-server_linux-amd64.tar.bz2 https://files.teamspeak-services.com/releases/server/$1/teamspeak3-server_linux_amd64-$1.tar.bz2
        systemctl stop teamspeak.service

        tar -czvf $BACKUPPATH/ts3_backup_before_$1.tar.gz $TSPATH

        tar -xjf /tmp/teamspeak3-server_linux-amd64.tar.bz2 -C $TSPATH/
        chown -R teamspeak:teamspeak $TSPATH

        systemctl start teamspeak.service
        rm -r /tmp/teamspeak3-server_linux-amd64.tar.bz2
else
        echo "Invalid version number given"