well, i would expect that the reboot in the scond ssh-session is refused....... [root@master:~]$ /usr/bin/systemd-inhibit --what=shutdown --who=root --why="Backup in progress" --mode=block sleep 600 [root@master:~]$ /usr/bin/systemd-inhibit; systemctl reboot WHO UID USER PID COMM WHAT WHY MODE root 0 root 569 systemd-inhibit shutdown Backup in progress block 1 inhibitors listed. [root@master:~]$ Connection to master.thelounge.net closed by remote host. Connection to master.thelounge.net closed. [harry@srv-rhsoft:~]$ _______________________________________________ systemd-devel mailing list systemd-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/systemd-devel