安装python3完成后使用软链接命令:
ln -s /usr/local/Python3/bin/python3.6 /usr/bin/python
创建python软链接之后执行python
#python
-bash: /usr/bin/python: 没有那个文件或目录
解决软链接之前先检查一下
键入python3,测试一下python3是否正常
#python3
Python 3.6.8 (default, Nov 16 2020, 16:55:22)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-44)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>
正常的话,继续进行下一步
#cd /
#cd /usr/bin/
#ls -al python*
# ls -al python*
-rwxr-xr-x 1 root root 11328 6月 18 21:45 python
lrwxrwxrwx 1 root root 9 4月 20 2021 python2 -> python2.7
-rwxr-xr-x 1 root root 7144 11月 17 2020 python2.7
-rwxr-xr-x 1 root root 1835 11月 17 2020 python2.7-config
lrwxrwxrwx 1 root root 16 8月 15 2021 python2-config -> python2.7-