AWS 甲骨文 GCP AZURE等 开启root登陆权限

#!/bin/bash
echo root:VpsBoom |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 reboot

甲骨文关闭防火墙

sudo iptables -P INPUT ACCEPT
sudo iptables -P FORWARD ACCEPT
sudo iptables -P OUTPUT ACCEPT
sudo iptables -F

一键shell命令(由chatgpt生成，测试可用)

sudo sh -c 'iptables -P INPUT ACCEPT && iptables -P FORWARD ACCEPT && iptables -P OUTPUT ACCEPT && iptables -F && iptables-save > /etc/iptables/rules.v4 && iptables-restore < /etc/iptables/rules.v4 && ip6tables-save > /etc/iptables/rules.v6 && ip6tables-restore < /etc/iptables/rules.v6 && update-alternatives --set iptables /usr/sbin/iptables-legacy && update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy && systemctl enable netfilter-persistent && systemctl start netfilter-persistent'

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