sudo -i
echo root:输入你的新密码 |sudo chpasswd root
sudo sed -i 's/^#?PermitRootLogin./PermitRootLogin yes/g' /etc/ssh/sshd_config;
sudo sed -i 's/^#?PasswordAuthentication./PasswordAuthentication yes/g' /etc/ssh/sshd_config;
sudo service sshd restart
vim /root/.ssh/authorized_keys 删除 ssh-rsa前面部分
首先查看防火墙的状态
systemctl status firewalld.service
然后执行命令进行关闭
systemctl stop firewalld service
systemctl disable firewalld.service，开机禁止防火墙服务器
systemctl enable firewalld.service，开机启动防火墙服务器
iptables -A INPUT -p tcp --dport 31080 -j ACCEPT
iptables -A OUTPUT -p tcp --dport 31080 -j ACCEPT
