---
syntax: markdown
tags: [tldr, linux]
source: https://github.com/tldr-pages/tldr.git
---
# firejail

> Securely sandboxes processes to containers using built-in Linux capabilities.
> More information: <https://manned.org/firejail>.

- 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={{192.168.1.244}} {{/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 http://mysite.arpa}}`
