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Securely sandboxes processes to containers using built-in Linux capabilities. More information:

  • Integrate firejail with your desktop environment:

sudo firecfg

  • Open a restricted Mozilla Firefox:

firejail {{firefox}}

  • Start a restricted Apache server on a known interface and address:

firejail --net={{eth0}} --ip={{}} {{/etc/init.d/apache2}} {{start}}

  • List running sandboxes:

firejail --list

  • List network activity from running sandboxes:

firejail --netstats

  • Shutdown a running sandbox:

firejail --shutdown={{7777}}

  • Run a restricted Firefox session to browse the internet:

firejail --seccomp --private --private-dev --private-tmp --protocol=inet firefox --new-instance --no-remote --safe-mode --private-window

  • Use custom hosts file (overriding /etc/hosts file):

firejail --hosts-file={{~/myhosts}} {{curl}}