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Month: August 2018

Signal Desktop and Failed to Map Segment from Shared Object Error

Signal Desktop and Failed to Map Segment from Shared Object Error

Signal is a great encrypted communications application built upon Electron framework. Couple of months ago I faced the issue that Signal had failed to start showing a message like this: “Uncaught Exception: Error: /tmp/.org.chromium.Chromium.j4ITUv: failed to map segment from shared object”.

Here is the solution.

wwa August 27, 2018August 27, 2018 Uncategorized No Comments Read more

Pitfalls When Upgrading Ubuntu Xenial to Bionic

Pitfalls When Upgrading Ubuntu Xenial to Bionic

The article describes a few pitfalls I encountered when trying to upgrade from Ubuntu 16.04.5 (LTS) to Ubuntu 18.04.1 (LTS) and possible solutions.

wwa August 26, 2018 Server Administration No Comments Read more

Sometimes I Hate systemd

Sometimes I Hate systemd

After upgrade from the latest Ubuntu 16.04 LTS to Ubuntu 18.04.1 LTS, the server refused to reboot. I had to use IPMI to connect to the otherwise unresponsive server and reboot it forcefully. I probably should have used sync; reboot

wwa August 25, 2018August 25, 2018 Server Administration No Comments Read more

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