okay...
eading profile /etc/firejail/icecat.profile Reading profile /etc/firejail/disable-common.inc Reading profile /etc/firejail/disable-programs.inc Reading profile /etc/firejail/disable-devel.inc Reading profile /etc/firejail/whitelist-common.inc Parent pid 2597, child pid 2598 Blacklist violations are logged to syslog Child process initialized /bin/bash: /home/user/icecat/icecat.run.sh: No such file or directory
