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I was working on Flask project and I'm pretty sure I started creating in the current machine only and have build from the scratch by installed Flask under virtual environment, using "pip install Flask".

But after some days, now I tried to install "uWsgi" using pip and to my astonishment, both "pip" and "pip3" were not found. I'm sure I've not uninstalled pip and even there is no reason to do that.

So is there any way to trace when pip got uninstalled and which program did that? Only software related thing that I've done is update Ubuntu (Not upgrade) when prompted.

Thank you.

learner
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    Have you looked in your apt logs? (/var/log/apt/) to check you didn't cause it be removed because of another install/remove you did? – guiverc Jul 09 '19 at 05:43

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python-pip3depends on ...

ca-certificates
python-pip-whl (= 18.1-5)
python3
python3-distutils

So removing or purging either of these will also uninstall python-pip3. Out of these the only obvious one would be deleting python3. The others are not packages you would touch yourself. But you would have a whole lot of other problems if you did remove any of these.

The log files to check for using apt ...

/var/log/apt/term.log
/var/log/apt/history.log*

but there is also (in case dpkg was used) ...

/var/log/dpkg.log
  • You can use less or grep to search 2 of them. history.log uses compressed files for older logs so use zgrep to scan those.

With normal usage, I would believe, there is not a method that would remove package python-pip3.

Rinzwind
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