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What is the method to update the python version under Linux

2025-01-18 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

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This article introduces the relevant knowledge of "what is the method of updating the python version under Linux". In the operation of the actual case, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

1. Download the python version

Wget https://www.python.org/ftp/python/3.7.2/Python-3.7.2.tgz

2. Compile to prevent installation errors

Yum install gcc-c++ gcc make cmake zlib-devel bzip2-devel openssl-devel ncurse-devel-y

Version 3. 7 requires a new package libffi-devel. After installing the package, compile and install it again.

Yum install libffi-devel-y

4. Decompression and creation

Ar Jxvf Python-3.7.2.tar.xz # enter the python3.7.2 directory cd Python-3.7.2 # create the directory mkdir-p / usr/local/python3 # configure (specify the installation directory). / configure-prefix=/usr/local/python3-enable-optimizations

5. Compilation and installation

Make & & make install, when using the sudo command, remember to have both make and make install

6. Change the version and create a soft link for the new version of Python3.7

Ln-s / usr/local/python3/bin/python3.7 / usr/bin/python

First take a look at the soft link, if there are many versions of the system, it is possible to create a soft link failed, I failed.

7. Check whether it is successful or not

Python-V, you can see that the new version proves to be successful

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