Fixing “Command ‘python’ not found” Error in Ubuntu LinuxRead more" />Fixing “Command ‘python’ not found” Error in Ubuntu LinuxRead more" />

Fixing “Command ‘python’ not found” Error in Ubuntu Linux

How do you run a Python program in the Linux terminal? Like this, right?


However, if you try to use the python command in Ubuntu (and some other distributions), it will throw an error.

Command ‘python’ not found, did you mean:
command ‘python3’ from deb python3
command ‘python’ from deb python-is-python3

If you pay attention to the error message, it clears a lot of things. The python command is actually python3 here.

If you don’t understand it, no worries. I’ll explain things in detail here.

Why there is no python command found on Ubuntu?

It’s because the Python language is not installed as python but python3 or python2 (in some older Ubuntu versions).

At some point in time in the distant past, Python was actually available as python package/executable. When Python released version 2, Ubuntu and other distros had to provide support for both Python version 1.x and 2.x.

So, they named the newer Python version python2 to distinguish between the two. Other applications or libraries also specified python or python2 in their code.

Eventually, Python version 1 was discontinued completely but the package continued to be named python2.

Similarly, when Python version 3 was released, distributions started providing both python2 and python3 packages.

Python 2 is no longer supported and Python 3.x is what you get on Ubuntu. The package is still named python3.

To summarize, you have Python installed on Ubuntu already. It is available as python3 package.

So, what are your options when you see Python command not found error on Ubuntu? Let me go over them.

Make sure you have Python installed on your system

It should already be installed but no harm in double checking.

Ubuntu 18.04 had Python 2 as well but 20.04 and higher versions have Python 3 only. Still, which version(s) you have with:

type python python2 python3

As you can see in the screenshot below, I have Python version 3 installed on my system.

sudo apt install python3

Use python3 instead of python

If it’s not too much of a trouble for you, use python3 command instead of python wherever required.

Want to check the installed python version? Use it like this:

python3 --version

And you get the version details in the output:

[email protected]:~$ python3 --version
Python 3.10.4

If you have to run a Python program, execute it like this:


This should work for you in most cases. However, if you are using some (old) Python application that expects to run the python executable in its code, you’ll have issues. Don’t worry, you can get around it as well.

Link python3 as python

You can create a permanent alias in your .bashrc file like this:

alias python='python3'

This way, you can run the python command and your system runs python3.

It will work in most cases unless some program expects to run /usr/bin/python. Now, you may create symlink between /usr/bin/python and /usr/bin/python3 but there exists a simpler option for Ubuntu users.

For Ubuntu 20.04 and higher versions, you have a package that does all link creation automatically if you install the python-is-python3 package. This is what the original error message has also suggested.

sudo apt install python-is-python3
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