配置 yum
curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.myhuaweicloud.com/repo/CentOS-Base-7.repo
配置跳板机的 yum 源
安装工具包
yum -y install net-tools lftp rsync psmisc vim bash-completion lrzsz
优化系统服务
systemctl stop postfix ntpd
yum remove postfix ntp
yum install -y chrony
配置时间同步
vim /etc/chrony.conf
server ntp.myhuaweicloud.com iburst
systemctl enable chronyd
systemctl start chronyd
