Python编译升级

[root@localhost python]# tar xvf Python-3.6.9.tgz

[root@localhost python]# cd Python-3.6.9/

[root@localhost Python-3.6.9]# source /etc/profile

[root@localhost Python-3.6.9]#  ./configure --prefix=/usr/local/python-3.6.9

[root@localhost Python-3.6.9]# make && make install

备份

[root@localhost bin]# mv /usr/bin/python /usr/bin/python_back

[root@localhost bin]# mv /usr/bin/python2.7 /usr/bin/python2.7_back

创建软连接

[root@localhost Python-3.6.9]# ln -s /usr/local/python-3.6.9/bin/python3.6 /usr/bin/python

root@localhost Python-3.6.9]# ln -s /usr/local/python-3.6.9/bin/pip3 /usr/bin/pip3

查看版本

[root@sdw1 Python-3.6.9]# python -V