How do you reinstall Ubuntu after deleting python3.6?

Question

I recently made the stupid mistake of uninstalling python3.6 because I upgraded to python 3.9, not knowing how important python is for Ubuntu.

I got signed out automatically and when I tried to sign in it said something like "Start of session failed" (it could have been something slightly different, I don't remember exactly), so I rebooted my computer and then, instead of showing my username, a text console was shown.

I asked about it in another question and they told me that the easiest solution is to back up my files and completely reinstall everything.

However, I don't know how to get out of the text console, Ctrl+Alt+F7 doesn't work and neither does "Login as root"

Also, I don't know how to recover my files, I plugged in a flash drive and nothing happened.

Changing or deleting the standard python version of Ubuntu is a unrecouverable error. You need to reinstall.
Boot from a live DVD or USB and reinstall. If your live DVD/USB is the same version as the installed Ubuntu version, you will see a "Reinstall" option. This will reinstall the system in the same setup as the existing installation, without formatting the partitions. That way, your user data and user configuration will be preserved. — David, Apr 12 '21 at 15:18
@David But how do I boot from the text console, that's all I can access? — Unnamed, Apr 12 '21 at 15:47
@karel, yes this answers my question but it wouldn't have worked. My problem is fixed now but before my user had been deleted, so I couldn't enter my username and password from the text console. Still, for somebody else it can be useful so I'll mark it as helpful to me. — Unnamed, Apr 19 '21 at 18:52

score 3 · Accepted Answer · answered Apr 12 '21 at 15:19

3

Changing or deleting the standard python version of Ubuntu is a unrecoverable error.

You need to reinstall.

Boot from a live DVD or USB and reinstall.

If your live DVD/USB is the same version as the installed Ubuntu version, you will see a "Reinstall" option.

This will reinstall the system in the same setup as the existing installation, without formatting the partitions. That way, your user data and user configuration will be preserved

answered Apr 12 '21 at 15:19

David

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But how do I boot from the text console if that's all I have access to? – Unnamed Apr 12 '21 at 15:49
type: sudo shutdown -r now – raj Apr 12 '21 at 15:51
2

You boot from the live media you are re installing. – David Apr 12 '21 at 15:56
Thank you David, that worked perfectly – Unnamed Apr 14 '21 at 14:29
Sorry, I forgot to accept. It is accepted now – Unnamed Apr 15 '21 at 06:00

How do you reinstall Ubuntu after deleting python3.6?

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