This has been tackled and fixed in the release for 18.04 in https://git.launchpad.net/~ltsp-manager/ltsp-manager/commit/?id=db275f94b7919b30cda38e5550e8053a8ecdbb89
This has been tackled and fixed in the release for 18.04 in https:/ /git.launchpad. net/~ltsp- manager/ ltsp-manager/ commit/ ?id=db275f94b79 19b30cda38e5550 e8053a8ecdbb89