#干货满满#一键启用Root账户登录

用处：

     相信大家在使用腾讯云、阿里云等服务器厂商都遇到了禁用了Root账户登录，禁用密码登录等反人类问题，这个脚本的出现就是为了改变这一现状，让我们轻松下来配置服务器。

#!/bin/bash

# chmod 777 ServerMan.sh && bash ServerMan.sh

# Print gui

print_menu() {

  clear

  echo "---Server Manage Script---"

  echo "------------------------------"

  echo "1. Set root password"

  echo "2. Edit ssh port"

  echo "3. Allow ssh root login"

  echo "4. Allow ssh password login"

  echo "------------------------------"

  echo "0. Quit"

  echo "------------------------------"

  echo -n "Please choose : "

}

# Set root password

set_root_password() {

  echo -n "Enter new root password: "

  read -s new_password

  echo "root:$new_password" | chpasswd

  echo -e "\nRoot password updated successfully."

  read -n 1 -s -r -p "Press any key to continue..."

}

# Edit ssh port

edit_ssh_port() {

  echo -n "Enter new SSH port: "

  read new_port

  sed -i "s/Port [0-9]*/Port $new_port/" /etc/ssh/sshd_config

  systemctl restart ssh

  echo "SSH port updated to $new_port."

  read -n 1 -s -r -p "Press any key to continue..."

}

# Allow ssh root login

allow_ssh_root_login() {

  sed -i "s/PermitRootLogin .*/PermitRootLogin yes/" /etc/ssh/sshd_config

  systemctl restart ssh

  echo "SSH root login allowed."

  read -n 1 -s -r -p "Press any key to continue..."

}

# Allow ssh password login

allow_ssh_password_login() {

  sed -i "s/PasswordAuthentication .*/PasswordAuthentication yes/" /etc/ssh/sshd_config

  systemctl restart ssh

  echo "SSH password login allowed."

  read -n 1 -s -r -p "Press any key to continue..."

}

# Main while

while true; do

  print_menu

  read choice

  case $choice in

    1) set_root_password ;;

    2) edit_ssh_port ;;

    3) allow_ssh_root_login ;;

    4) allow_ssh_password_login ;;

    0) exit 0 ;;

    *) echo "Invalid choice. Please choose again." ;;

  esac

done