linux set python 3 as default
1. Check current version:
$ python --version
2. get root permissions:
$ sudo su
3. set python3 as default:
$ update-alternatives --install /usr/bin/python python /usr/bin/python3 1
4. Done. (Check by $ python --version)linux set python 3 as default
1. Check current version:
$ python --version
2. get root permissions:
$ sudo su
3. set python3 as default:
$ update-alternatives --install /usr/bin/python python /usr/bin/python3 1
4. Done. (Check by $ python --version)how to change python version on linux
#Check available versions
ls /usr/bin/python*
#Change the used version 3.5 or 3.7 etc
alias python='/usr/bin/python3.x'
#do this other thing
. ~/.bashrc
#Check version
python --versionchange default python version
sudo update-alternatives --config pythonSet default python version linux
update-alternatives --list python
# update-alternatives: error: no alternatives for python
# means not set yet
update-alternatives --install /usr/bin/python python /usr/bin/python3 1
# update-alternatives: using /usr/bin/python2.7 to provide /usr/bin/python (python) in auto mode
update-alternatives --install /usr/bin/python python /usr/bin/python3.8 2
# update-alternatives: using /usr/bin/python3.4 to provide /usr/bin/python (python) in auto mode
update-alternatives --install /usr/bin/python python /usr/bin/python3.9 3
# update-alternatives: using /usr/bin/python2.7 to provide /usr/bin/python (python) in auto mode
# Higher last param will be auto selected
update-alternatives --list python
# shows all
python --version
# Python 3.9 or whichever highest
update-alternatives --config python
# This will let you change vers from a menuCopyright © 2021 Codeinu
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