I recently updated from Ubuntu 16.04 to 18.04.
I had separate partitions for / and home, and for the update I made a clean install over the / folder, so that I saved everything in the home folder, while the rest was formatted.
After the update, I only had python 3.6.7, which as I understand is the default version for the operative system. Then, I installed python 2.7 (version 2.7.15rc1, specifically), so I was expecting to have only these two versions installed.
Am I correct in saying that the 3.6.7 is the default version for Ubuntu 18.04? So, no matter what, this version is needed from the system, and should not be uninstalled?
As I said, I was expecting to have only python 3.6.7 and 2.7.15rc1 installed. However, after a search, I found these files:
/snap/core/6130/usr/bin/python3.5: Python 3.5.2 /snap/core/6130/usr/bin/python3.5m: Python 3.5.2 /snap/core/6259/usr/bin/python3.5: Python 3.5.2 /snap/core/6259/usr/bin/python3.5m: Python 3.5.2 /snap/core/6350/usr/bin/python3.5: Python 3.5.2 /snap/core/6350/usr/bin/python3.5m: Python 3.5.2
are they relics from before the update? Are they system files? Can they be removed, and how? I don't understand what these folders contain, since as I said I formatted the / partition. If I give the command:
Name Version Rev Tracking Publisher Notes core 16-2.37.1 6350 stable canonical✓ core gnome-3-26-1604 3.26.0 74 stable/… canonical✓ - gnome-calculator 3.30.1 260 stable/… canonical✓ - gnome-characters 3.30.0 139 stable/… canonical✓ - gnome-logs 3.30.0 45 stable/… canonical✓ - gnome-system-monitor 3.30.0 57 stable/… canonical✓ - gtk-common-themes 0.1-4-g88bc1b2 818 stable/… canonical✓ - skype 184.108.40.206 66 stable skype✓ classic spotify 220.127.116.11.gb45d2a6b-10 31 stable spotify✓ - vlc 3.0.6 770 stable videolan✓ -
which are the programs I installed from the software center after the update to 18.04.
If I use the command:
I get the output
which is almost surely from before the update (I did not delete the /home partition when updating to Ubuntu18.04). But how can I uninstall it?
If I try:
sudo apt-get remove python-pip
I obtain the result (something like this, my system is in Italian, I'm translating):
"python-pip" is not installed and cannot be removed
so, apt.-get is not finding the version of pip I want to remove from the /home folder. Same goes when using Synaptic, python-pip results not to be installed. How do I remove it?