[root@vishnuvm6 ~]# screen -ls There is a screen on: 15941.pts-18.vishnuvm6 (Detached) 1 Socket in /var/run/screen/S-root. [root@vishnuvm6 ~]# screen -x vishnuvm6 There is no screen to be attached matching vishnuvm6.
screen -r
screen -d -r
screen -x