More on Ubuntu 20

This was originally written to collect a series of tips about augmenting the build, but I have a problem with stability and reboot. Here are my notes …

Stability

The system often hangs and on reboot requires a manual fsck on reboot. think it was fsck /dev/sd5a; it was and using the -y flag is good idea. The ‘net suggests that there are also problems with journal writes on close down which I have observed and I have also been stuck when performing an apt.

I ran this query, “why is ubuntu 20.04 so unstable, requires fsck to reboot” on lmgtyfy, which gives nothing obvious.

One piece of correspondence suggests that the power subsystem is a problem, I have a battery that is very hard to fit into the enclave and thus the software fails to ‘see’ the battery.

What is the name of the pre-boot shell? How do you exit it to multi-user? One name is the single-user shell, but it looks more like a bios although many of the commands are UNIX commands.

It seems we now have ZFS, which would be good if I knew how to use it. This, on ubuntu.com suggests it might be the disk; the system is very old. It also gives me some ideas about looking at the logs. See also, Analyzing a Faulty Hard Disk using Smartctl

I installed smartmontools.

The system is an HP Probook 5320m.

Configuration and augmentation

One of the Firefox releases 96.1?, had a problem with sound, and one or two other things on ubuntu 20.

  1. https://idroot.us/install-vivaldi-browser-ubuntu-20-04/
  2. https://askubuntu.com/questions/1246474/suddenly-no-more-sound-on-ubuntu-20-04 for me, I think it was Firefox only but, I needed to install pulse audio control [pavucontrol]
  3. how to install spotify
  4. Some notes on onedrive and on this blog.

I made separate notes on the video codecs

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