Linux系统文档

# 获取系统IP
hostname -I | cut -f1 -d' '
# 关机
# sshpass -p root ssh -o "StrictHostKeyChecking=no" root@$(hostname -I | cut -f1 -d' ') "sudo poweroff"
sshpass -p root ssh -o StrictHostKeyChecking=no root@10.0.16.16 sudo poweroff

yum命令

• 切换yum源

参考

# 备份旧源
mv CentOS-Base.repo CentOS-Base.repo.v2.bak
# 添加新源(阿里镜像源)
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo