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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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The Python "FileNotFoundError: [Errno 2] No such file or directory" occurs when we try to open a file that doesn't exist in the specified location. To solve the error, move the file to the directory where the Python script is located if using a local path, or use an absolute path.
If you have installed many versions of Python, then #!/usr/bin/env ensures that the interpreter will use the first installed version on your environment's $PATH. If you are using Unix, an executable file that is meant to be interpreted can indicate what interpreter to use by having a #!
Problem scenario:
/usr/bin/env: ‘python’: No such file or directory Possible Solution #1
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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