It has been built and tested on several flavors of Linux on both x86 and ARM, but we don't have a prebuilt Linux binary publicly available - it must be built from source.

Windows and Mac binaries are available.

Detailed instructions for setting up a build environment are available at https://github.com/ciphrex/CoinVault/tree/master/docs

Build instructions are available at https://github.com/ciphrex/CoinVault/blob/master/README.md

PM me if you'd be interested in helping to create linux packages. There are also rewards for this.