SSH配置

Ubuntu安装ssh

sudo apt update
sudo apt install openssh-server
sudo systemctl start ssh
sudo systemctl enable ssh
sudo systemctl status ssh
sudo systemctl restart ssh

编辑 SSH 配置文件

sudo nano /etc/ssh/sshd_config

# 修改默认端口
Port 22

# root 用户登录
PermitRootLogin yes

# 关闭密码认证 防止黑客爆破
PasswordAuthentication no
PermitEmptyPasswords no

# 允许公钥认证
PubkeyAuthentication yes

#只需要密钥认证，简化配置
UsePAM no

SSH密钥登录配置

1. 生成密钥

   ssh-keygen -t ed25519 -C “your_email”

2. 保存路径

   ~/.ssh/

3. 公钥添加到服务器

   ~/.ssh/authorized_keys

4. 编辑 SSH 服务器的配置

   /etc/ssh/sshd_config

    AuthorizedKeysFile	.ssh/authorized_keys
    PubkeyAuthentication yes
    PasswordAuthentication no
    UsePAM no
   

5. 重新加载 SSH 服务

   sudo sshd -t
   
   sudo systemctl reload sshd
   

设置root密码

• passwd root

安装fastfetch

1. 安装

   # arch linux
   sudo pacman -S fastfetch
   
   # ubuntu
   # 添加源
   sudo add-apt-repository ppa:zhangsongcui3371/fastfetch
   # 更新
   sudo apt update
   # 安装
   sudo apt install fastfetch
   

2. 全局配置fastfetch

   
   # 创建fastfetch.sh
   sudo nano /etc/profile.d/fastfetch.sh
   
   # 添加内容
   
   #!/bin/bash
   /usr/bin/fastfetch
   echo ""
   
   

Warp配置ssh

• 1. 连接ssh
     ssh x-ui-hk
• 2. 配置~/.ssh/config

  Host x-ui-hk
     HostName 47.243.201.001
     User root
     Port 22
     PreferredAuthentications publickey
     IdentityFile ~/.ssh/keys/id_ed25519