At this time you need to build from source for Linux. Please see the post below if you need instructions.
Remember to backup wallet.dat and privkeys before you start. Read all instructions and the script.
The script will download dependencies and do complete build.
https://deeponion.org/community/threads/mandatory-upgrade-segwit-activation-deeponion-2-2-0-wallet.44694/page-7#post-677206
If you have any problems please submit a support ticket on the forum.