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This article introduces you how to install python3.7 in the Linux system, the content is very detailed, interested friends can refer to, hope to be helpful to you.

[installation environment]

Operating system: Liunx centos7

Python version: python 3.7.x

[notes]

The centos system itself is installed with python2.x by default. Version x varies according to different versions of the system. You can view the python version that comes with the system through python-V or python-version.

Python2 is required for some system commands, so don't uninstall it.

[installation steps]

1. Install the dependency package

1) install the gcc compiler first. Some system versions of gcc have been installed by default. Check through gcc-- version. Install gcc,yum-y install gcc first if it is not installed.

2) install other dependent packages (Note: do not lack it, otherwise there may be errors in installing python. Versions below python3.7.0 may not install libffi-devel)

Yum-y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel libffi-devel

2. Download the python3.7.0 source code and download it as needed.

1) choose the python source code package you need in https://www.python.org/ftp/python/, and I downloaded python3.7.0.

2) download

Wget https://www.python.org/ftp/python/3.7.0/Python-3.7.0.tgz

3. Decompress Python-3.7.0.tgz

Tar-zxvf Python-3.7.0.tgz

4. Create an empty folder for storing python3 programs

Mkdir / usr/local/python3

5. Execute configuration file, compile, compile and install

Cd Python-3.7.0./configure-- prefix=/usr/local/python3make & & make install

After the installation is completed, the installation is successful without an error.

6. Establish a soft connection

Ln-s / usr/local/python3/bin/python3.7 / usr/bin/python3ln-s / usr/local/python3/bin/pip3.7 / usr/bin/pip3

7. Test whether python3 can be used.

[root@mini Python-3.7.0] # python3Python 3.7.0 (default, Jul 28 2018, 22:47:29) [GCC 4.8.5 20150623 (Red Hat 4.8.5-28)] on linuxType "help", "copyright" "credits" or "license" for more information. > > print ("hello world!") hello world! > > exit () [root@mini Python-3.7.0] # pip3-- versionpip 10.0.1 from / usr/local/python3/lib/python3.7/site-packages/pip (python3.7) about how to install python3.7 in a Linux system is here. I hope the above content can be of some help to you and learn more knowledge. If you think the article is good, you can share it for more people to see.

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