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I have Bash on Ubuntu on Windows.
The output of lsb_release -a is the following.
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04.5 LTS
Release: 14.04
Codename: trusty
Should I upgrade? Do I risk to break it?
Yes its possible and there are two options:
Use lxrunto install and uninstall bash:
lxrun /uninstall
lxrun /install
Upgrade with do-release-upgrade:
sudo do-release-upgrade
Information:
The second method might work according to the link given below, but that article is 2016 so this method might work.
Here is clip from Microsoft
Note: WSL will install Ubuntu version 16.04 (Xenial) instead of Ubuntu 14.04 (Trusty) in an upcoming release. This change will apply to Insiders installing new instances (lxrun.exe /install or first run of bash.exe). Existing instances with Trusty will not be upgraded automatically. Users can upgrade their Trusty image to Xenial using the do-release-upgrade command.
Source:
https://www.howtogeek.com/278152/how-to-update-the-windows-bash-shell/
https://msdn.microsoft.com/en-us/commandline/wsl/release_notes#build-14936
/etc/update-manager/release-upgrades by changing Prompt=lts to Prompt=normal and then do-release-upgrade duly informs me that Artful 17.10 can be installed. I haven't see this documented by Microsoft though. Has anyone tried it?
Mar 14, 2018 at 10:16
do-release-upgrade you might need to set RELEASE_UPGRADER_NO_SCREEN=1: sudo -S env RELEASE_UPGRADER_NO_SCREEN=1 do-release-upgrade (source: wsl-guide.org/en/latest/update.html)
RELEASE_UPGRADE_NO_SCREEN is needed: github.com/Microsoft/WSL/issues/927
You should backup and reinstall WSL. This time you should install a newer version from the Windows Store choosing your favorite distro.
sudo -S apt-mark hold procps strace sudo
sudo -S env RELEASE_UPGRADER_NO_SCREEN=1 do-release-upgrade
These should update the Ubuntu on Windows to the latest version.
