腾讯云centos7 安装gitlab社区版 (Omnibus)-一、安装前置依赖

# 安装基础依赖
$ sudo yum -y install policycoreutils openssh-server openssh-clients postfix
 
# 启动 ssh 服务 & 设置为开机启动
$ sudo systemctl enable sshd & sudo systemctl start sshd