\x89\x50\x4E\x47\x0D\x0A\x1A\x0A PNG  \x89\x50\x4E\x47\x0D\x0A\x1A\x0A #%PAM-1.0 auth include runuser session optional pam_keyinit.so force revoke -session optional pam_systemd.so session include runuser