- CentOS 7.6 切换源
- ##查看ip地址```ipaddr```##备份原有的YUM源文件```sudocp/etc/yum.repos.d/CentOS-Base.repo/etc/yum.repos.d/CentOS-B...
- centos 6.5 升级python2到python3
- #安装依赖```yum-yinstallzlib-develpython-develgcclibffi-develtk-devellibpcap-develbzip2-develdb4-develxz...
