Python--linux Installation

Centos7

View default Python version comes with 2.7.5 version

cat /etc/redhat-7.3. 1611 (Core) [[email protected]-node1 ~]# python-2.7. 5

Upgrade version -3.x1, install GCC, for compiling python source code

Yum Install GCC

2 、下载源码包

 官网下载：https://www.python.org/ftp/python/

3 、解压并进入源码文件

[[Email protected] ~]# lltotal14468-RW-------.1Root root1208Dec the   .anaconda-ks.cfg-rw-r--r--1Root root14808460Apr -  the: -python-3.5.0.Tar. Xz[[email protected]-node1 ~]#TarXF python-3.5.0.Tar. Xz[[email protected]-node1 ~]# CD python-3.5.0/[[Email protected]-node1 python-3.5.0]# lltotal980-rw-r--r--1  +  +   8466Sep -   -ACLOCAL.M4-rwxr-xr-x1  +  +  42856Sep -   -config.guess-rwxr-xr-x1  +  +  35740Sep -   -config.sub-rwxr-xr-x1  +  + 464952Sep -   -Configure-rw-r--r--1  +  + 150676Sep -   -CONFIGURE.ACDRWXRWXR-X -  +  +   4096Sep -   -DOCDRWXRWXR-X2  +  +      -Sep -   -GRAMMARDRWXRWXR-X2  +  +   4096Sep -   -Include-rwxr-xr-x1  +  +   7122Sep -   - Install-SHDRWXRWXR-X $  +  +   8192Sep -   -Lib-rw-r--r--1  +  +  12761Sep -   -LICENSEDRWXRWXR-X8  +  +    151Sep -   -Mac-rw-r--r--1  +  +  56690Sep -   -Makefile.pre.inchDRWXRWXR-X2  +  +   4096Sep -   -MISCDRWXRWXR-X One  +  +   4096Sep -   -MODULESDRWXRWXR-X4  +  +   4096Sep -   -OBJECTSDRWXRWXR-X2  +  +   4096Sep -   -PARSERDRWXRWXR-X6  +  +   4096Sep -   -PCDRWXRWXR-X2  +  +   4096Sep -   -PCBUILDDRWXRWXR-X2  +  +      -Sep -   -Programs-rw-r--r--1  +  +  41790Sep -   -Pyconfig.h.inchDRWXRWXR-X3  +  +   4096Sep -   -Python-rw-r--r--1  +  +   6740Sep -   -README-rw-r--r--1  +  +  98075Sep -   -SETUP.PYDRWXRWXR-X A  +  +   4096Sep -   -Tools

4 、编译安装

[Email protected] python-3.5. 0] #./Configure[[email protected]-node1 python-3.5. 0  Make All[[email protected]-node1 python-3.5. 0  Make Install

Note: compilation needs to wait a while ~

5 、查看版本

[Email protected] python-3.5. 0] #/usr/local/bin/python3. 5 -3.5. 0

6 、修改默认Python版本

[Email protected] python-3.5. 0 MV /usr/bin/python/usr/bin/python2. 7.5         #移走旧版本的python并命名为2.7.5[[email protected]-node1 python-3.5.  0Ln -s/usr/local/bin/python3. 5 /usr/bin/python  #做软连接 [[email protected]-node1 python-3.5.  0]# python-V                                       3.5.  0

7 、防止yum执行异常，修改yum使用的Python版本

[Email protected] python-3.5. 0] # vim/usr/bin/Yum    # 将头部  #!/usr/bin/python 修改为 #!/usr/bin/python3.5 [[email protected]-node1 python-3.5.  0cat /usr/bin/yum#!/usr/bin/python3. 5 Import SYS

Python--linux Installation