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However, after an extended wait time it would terminate with a strange and unhelpful error like this (tail snippet): Reading state information. The first attempt complained about Ubuntu needing to restart (which is simple enough with wsl -shutdown after closing all the terminals) once WSL had been restarted the upgrade launched its own process and looked promising. I started with the release upgrade command: sudo do-release-upgrade
#Slack download ubuntu 20.04 install
Sudo apt install update-manager-core Attempting the Upgrade
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#Slack download ubuntu 20.04 update
Per the previously noted guide, I ran the following commands: sudo apt update Fortunately I found this helpful write-up of the process which I used as my guide. So it's time to figure out an in-place upgrade. Further, if it does work, I have no clue if my existing environment settings and configuration will be ported over or if we start afresh. It's unclear if such a command will actually do anything in my case since I'm already using WSL 2. The WSL documentation indicates that with a command line switch, specifically wsl -set-version Ubuntu-20.04 2, I can set the default distribution and use case. Especially since I'd mistakenly thought I was already on 20.04. Since there was no obvious reason to not upgrade to 20.04 (and doing so would avoid using a non-officially-supported repository), I chose that path. I have a couple of options: use a personal package archive (PPA) for PHP builds (staying in 18.04), or just upgrade to 20.04. The apt repositories for 18.04 don't include options for 7.4, leading to my issue. Finding The ProblemĪfter some creative The Googling and using the lsb_release -a command, I discovered that my normal runtime WSL 2 instance was still using Ubuntu 18.04, for which PHP 7.2 was a default. In resetting PHP versions, I encountered a peculiar issue with trying to install PHP 7.4: no default repository had it available. When I shifted to WSL 2, I mistakenly thought I also managed to upgrade WSL to Ubuntu 20.04 LTS in the process. When I first set up WSL I went with Ubuntu 18.04 LTS and have kept it pretty well updated between environments. WSL has been life-changing for me in all sorts of ways due to the mixed environments I touch. I've been running Windows Subsystem for Linux (WSL) almost as long as it's been generally available, and I love it. I run and have access to a bunch of different environments so it felt right to get environments back to a standard (or at least closer) base configuration.
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Most specifically a full-on move to PHP 7.4 was in sight, though there were other bits. About two months back ( early March to be exact), I had the opportunity to finally deprecate some old versions of applications and packages due to planned retirements and upgrades.