Still a problem on Trusty (!), fixed with /etc/init.d/screen-cleanup start. screen == 4.1.0~20120320gitdb59704-9
It seems screen-cleanup is not activated by default in rc.d
Still a problem on Trusty (!), fixed with /etc/init. d/screen- cleanup start. itdb59704- 9
screen == 4.1.0~20120320g
It seems screen-cleanup is not activated by default in rc.d