However, I've noticed that many other "alternatives" (notably editor) generally use multiples of 10 for official suggested versions. You can select different priorities that suit your needs. To manually select a system-wide version, use: sudo update-alternatives -config python Sudo update-alternatives -install $(which python) python $(readlink -f $(which python2)) 2īy default, the above will select the highest priority alternative automatically. To be nice, you should probably also add python2, at a lower priority: # Adds `python2` as the alternate for `python` with priority `2`. Sudo update-alternatives -install $(which python) python $(readlink -f $(which python3.8)) 3 You can also add any number of other alternatives for python: # Adds `python3.8` as the alternate for `python` with priority `3`. Sudo update-alternatives -install $(which python) python $(readlink -f $(which python3)) 3 On a fresh Raspberry Pi OS install, you just need one command: # Adds `python3` as the alternate for `python` with priority `3`.
It seems we want to add our desired version of " alternatives" for the python binary. I won't go into why you probably shouldn't use an alias to run python, but will answer the more important titular question. I have not seen an "official" solution from Raspberry Pi Foundation on changing which version of Python is active.
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