Useful jitsi tips
restart the jitsi server in one line:
/etc/init.d/jicofo restart && /etc/init.d/jitsi-videobridge2 restart && /etc/init.d/prosody restart
restart the jitsi server in one line:
/etc/init.d/jicofo restart && /etc/init.d/jitsi-videobridge2 restart && /etc/init.d/prosody restart