Worked for me... ~$ uname -a Linux hades 4.15.0-54-generic #58-Ubuntu SMP Mon Jun 24 10:55:24 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux ~$ lsb_release -a LSB Version: core-9.20170808ubuntu1-noarch:security-9.20170808ubuntu1-noarch Distributor ID: Ubuntu Description: Ubuntu 18.04.2 LTS Release: 18.04 Codename: bionic Manuel SCHULTE *Managing Director, Olympus Consulting sprl* *gsm :* +32(0)498 881 718 *mail :*