== Linux

=== firejail
To launch poi by default with firejail, symlink /usr/bin/firejail to the poi
executable:

[source, sh]
----
# poi is installed to /usr/local/bin/poi, and local/sbin is before local/bin.
ln -s /usr/bin/firejail /usr/local/sbin/poi
----

To add the poi.profile to firejail, copy or symlink it to '/etc/firejail' or
'~/.config/firejail'.