Bon, j'en ai assez de le rechercher à chaque fois :
install keepass2 and mono CLI compiler and system manager library:
`sudo apt-get install keepass2 mono-dmcs libmono-system-management4.0-cil libmono-system-numerics4.0-cil`
KeePass plugin location: `/usr/lib/keepass2/plugins`
Keefox
KeePass installation location: `/usr/lib/keepass2`
Mono executable location: `/usr/bin/mono`
KeePassRPC plugin
# create a plugins sub-directory in keepass2 directory
sudo sh -c 'mkdir /usr/lib/keepass2/plugins'
# copy the keefox plugin into it
sudo ln -s $HOME/.mozilla/firefox/*.default/extensions/keefox@chris.tomlinson/deps/KeePassRPC.plgx /usr/lib/keepass2/plugins/
Keepass2, then unlock your vault;
Firefox, check keefox icon for information