I just updated 20.04 to 22.04, and I got some trouble with python versions. On 20.04, I had just python 3.8, and now on 22.04 it seems I have 3.10 only.
(base) giammi56@giammi56-T440p:~$ ls /usr/bin/python*
/usr/bin/python
/usr/bin/python3.10-config
/usr/bin/python3-pasteurize
/usr/bin/python3
/usr/bin/python3-config
/usr/bin/python-argcomplete-check-easy-install-script3
/usr/bin/python3.10
/usr/bin/python3-futurize
/usr/bin/python-argcomplete-tcsh3
(base) giammi56@giammi56-T440p:~$ apt list | grep python3.8
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
libpython3.8-minimal/now 3.8.10-0ubuntu1~20.04.6 amd64 [residual-config]
python3.8-minimal/now 3.8.10-0ubuntu1~20.04.6 amd64 [residual-config]
ON 20.04, I aliased pip with pip3, but could this be problematic now?
(base) giammi56@giammi56-T440p:~$ pip --version
pip 23.0.1 from /home/giammi56/.local/lib/python3.10/site-packages/pip (python 3.10)
(base) giammi56@giammi56-T440p:~$ pip3 --version
pip 23.0.1 from /home/giammi56/.local/lib/python3.10/site-packages/pip (python 3.10)
(base) giammi56@giammi56-T440p:~$ pip3.8 --versionpip 23.0.1 from /home/giammi56/.local/lib/python3.10/site-packages/pip (python 3.10)
Clearly, some applications installed in pip do not work. Undervolt
is the best example. The command is recognized, but not when sudo
. Here the essential:
(base) giammi56@giammi56-T440p:~$ sudo undervolt --read
sudo: undervolt: command not found
(base) giammi56@giammi56-T440p:~$ undervolt
usage: undervolt [-h] [--version] [-v] [-f] [-r] [-t TEMP] [--temp-bat TEMP_BAT] [--throttlestop THROTTLESTOP]
[...]
(base) giammi56@giammi56-T440p:~$ locate undervolt
/etc/systemd/system/undervolt.service
/etc/systemd/system/hibernate.target.wants/undervolt.service
/etc/systemd/system/hybrid-sleep.target.wants/undervolt.service
/etc/systemd/system/multi-user.target.wants/undervolt.service
/etc/systemd/system/suspend.target.wants/undervolt.service
/home/giammi56/.cache/pip/wheels/ad/e5/e3/b8b0b993874dde746b5d3ffc16b122f15045fb98abd12d41ab/undervolt-0.3.0-py3-none-any.whl
/home/giammi56/.local/bin/undervolt
/home/giammi56/.local/lib/python3.8/site-packages/undervolt-0.3.0.dist-info
/home/giammi56/.local/lib/python3.8/site-packages/undervolt.py
/home/giammi56/.local/lib/python3.8/site-packages/__pycache__/undervolt.cpython-38.pyc
/home/giammi56/.local/lib/python3.8/site-packages/undervolt-0.3.0.dist-info/INSTALLER
/home/giammi56/.local/lib/python3.8/site-packages/undervolt-0.3.0.dist-info/METADATA
/home/giammi56/.local/lib/python3.8/site-packages/undervolt-0.3.0.dist-info/RECORD
/home/giammi56/.local/lib/python3.8/site-packages/undervolt-0.3.0.dist-info/REQUESTED
/home/giammi56/.local/lib/python3.8/site-packages/undervolt-0.3.0.dist-info/WHEEL
/home/giammi56/.local/lib/python3.8/site-packages/undervolt-0.3.0.dist-info/entry_points.txt
/home/giammi56/.local/lib/python3.8/site-packages/undervolt-0.3.0.dist-info/top_level.txt
/usr/local/bin/undervolt
/usr/local/lib/python3.8/dist-packages/undervolt-0.3.0.dist-info
/usr/local/lib/python3.8/dist-packages/undervolt.py
/usr/local/lib/python3.8/dist-packages/__pycache__/undervolt.cpython-38.pyc
/usr/local/lib/python3.8/dist-packages/undervolt-0.3.0.dist-info/INSTALLER
/usr/local/lib/python3.8/dist-packages/undervolt-0.3.0.dist-info/METADATA
/usr/local/lib/python3.8/dist-packages/undervolt-0.3.0.dist-info/RECORD
/usr/local/lib/python3.8/dist-packages/undervolt-0.3.0.dist-info/WHEEL
/usr/local/lib/python3.8/dist-packages/undervolt-0.3.0.dist-info/entry_points.txt
/usr/local/lib/python3.8/dist-packages/undervolt-0.3.0.dist-info/top_level.txt
I don't know how to proceed. A suggested thread suggests a generic reinstallation. Should I upgrade all the python3.8 programs to 3.10? Is the alias still good? IN case I have multiple versions of python, I do I invoke a program from terminal/.desktop file/. service with the correct version? Any help would be deeply appreciated.