CentOS7以RPM方式安装Python3

CentOS7.7以及之后的版本不用执行，之前版本需要安装一个这个repo库。提供一些较新的软件版本（包含Python3）

yum install https://repo.ius.io/ius-release-el$(rpm -E '%{rhel}').rpm

安装Python3

yum install python3 -y

　　

# cd /usr/bin/
# ll |grep python
-rwxr-xr-x  1 root   root        11232 Oct  2  2020 abrt-action-analyze-python
lrwxrwxrwx  1 root   root            9 May  1 13:08 python -> python3.6
lrwxrwxrwx  1 root   root            9 Oct 30  2021 python2 -> python2.7
-rwxr-xr-x  1 root   root         7144 Nov 17  2020 python2.7
lrwxrwxrwx  1 root   root            9 Oct  7  2021 python3 -> python3.6
-rwxr-xr-x  2 root   root        11328 Nov 17  2020 python3.6
-rwxr-xr-x  2 root   root        11328 Nov 17  2020 python3.6m