准备工作:
安装python3.7 和 pip-19.0.3
下载链接:https://pan.baidu.com/s/10FJfY8YE7yqnbhzMXP_04w
提取码:upiz
cd /usr/src/Python-3.7.3 ./configure make make install
vim /usr/bin/yum
#!/usr/bin/python ==> #!/usr/bin/python2.7
vi /usr/libexec/urlgrabber-ext-down
#!/usr/bin/python ==> #!/usr/bin/python2.7
如果不修改urlgrabber-ext-down文件,用yum安装软件时会出现下面的情况:
=================================================================================== Installing: net-tools x86_64 2.0-0.24.20131004git.el7 base 306 k Transaction Summary =================================================================================== Install 1 Package Total download size: 306 k Installed size: 918 k Downloading packages: Error downloading packages: net-tools-2.0-0.24.20131004git.el7.x86_64: [Errno 5] [Errno 2] No such file or directory