1、安装python3.6可能使用的依赖
# yum -y install openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel zlib-devel
2、下载python源码包,地址为https://www.python.org/downloads/
# tar -zxvf Python-3.6.1.tgz
# cd Python-3.6.1/
3、把python3.6安装到/usr/local目录下
# ./configure --prefix=/usr/local/
# make
# make altinstall
4、更改/usr/bin/python链接
# cd /usr/bin
# mv python python.backup
# ln -s /usr/local/bin/python3.6 /usr/bin/python
# ln -s /usr/local/bin/python3.6 /usr/bin/python3
# rm -rf /usr/bin/python2
# ln -s /usr/bin/python2.6 /usr/bin/python2
5、更改yum脚本的python依赖
# cd /usr/bin
# ll yum*
有以下文件:
-rwxr-xr-x 1 root root 802 Jan 2 17:53 yum
-rwxr-xr-x 1 root root 9374 Jan 2 17:53 yum-builddep
-rwxr-xr-x 1 root root 8091 Jan 2 17:53 yum-config-manager
-rwxr-xr-x 1 root root 7610 Jan 2 17:53 yum-debug-dump
-rwxr-xr-x 1 root root 7904 Jan 2 17:54 yum-debug-restore
-rwxr-xr-x 1 root root 10906 Jan 2 17:54 yumdownloader
-rwxr-xr-x 1 root root 11032 Jan 2 17:54 yum-groups-manager修改以上文件头:
#!/usr/bin/python 改为 #!/usr/bin/python2
如果出现以下报错:File “/usr/libexec/urlgrabber-ext-down”, line 28
vim /usr/libexec/urlgrabber-ext-down
将/usr/bin/python改为/usr/bin/python2即可
本文提供了一套详细的Python3.6安装步骤,包括依赖安装、源码包下载及配置等,并指导如何更改系统中Python的默认版本及更新相关脚本依赖。
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