摘要：
建立相关用户和用户名 systemctl stop firewalld systemctl disable firewalld systemctl unmask firewalld.service systemctl stop iptables systemctl disable iptables 阅读全文
摘要：
替换默认的 http://archive.ubuntu.com/ 为 mirrors.aliyun.com 2. 开启 root sudo passwd root 设置密码 vim /etc/ssh/sshd_config # $OpenBSD: sshd_config,v 1.101 2017/0 阅读全文