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ubuntu /usr/bin/env: python: No such file or directory

I update the kernel, after that the Ubuntu doesn't work well, PS: I try to exec "meld" command, it will report that "/usr/bin/env: python: No such file or directory", then I exec "sudo apt-get install python" and get the result "python is already the newest version.", what should I do for it.


I'm not good at linux, can you tell me how to revert my linux to the last right status, or reinstall the python normally.

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Problem scenario:

/usr/bin/env: ‘python’: No such file or directory

Possible Solution #1

  • If Python 3 is not installed, install it: apt-get install python3

Possible Solution #2

  • If Python 3 has been installed, run these commands: whereis python3

  • Then we create a symlink to it: sudo ln -s /usr/bin/python3 /usr/bin/python


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