How to get Tuxemon up and running on your Gameshell

@r043v
cpi@clockworkpi : / $ apt install https://packages.debian.org/en/jessie/libxml2-dev

E: Could not open lock file /var/lib/dpkg/lock-frontend - open (13: Permission denied)

E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), are you root?

cpi@clockworkpi : / $

you are not root, prefix the command with sudo

@anorman728 was already fix this problem few posts upper > How to get Tuxemon up and running on your Gameshell