A Unity ID allows you to buy and/or subscribe to Unity products and services, shop in the Asset Store and participate in the Unity community.
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This solution, for those on Ubuntu 19.10, works with Unity 2019.2.12f1 https://forum.unity.com/threads/empty-log-errors-in-2019-1-0f2.669961/...
This worked for me as well on Ubuntu 19.10 and Unity 2019.2.12f1, using the link from HappyLDE above. Thanks.