Linux 添加用戶並賦予權限

Linux 添加用戶並賦予權限

添加用戶

useradd rsync

添加密碼

passwd rsync

ssh 免密設置

client

1. 生成密鑰

   ssh-keygen
   Generating public/private rsa key pair.
   Enter file in which to save the key (/root/.ssh/id_rsa):
   Enter passphrase (empty for no passphrase):
   Enter same passphrase again:
   Your identification has been saved in /root/.ssh/id_rsa.
   Your public key has been saved in /root/.ssh/id_rsa.pub.
   The key fingerprint is:
   xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
   The key's randomart image is:

2. copy 至服務器端

   ssh-copy-id -i ~/.ssh/id_rsa.pub rsync@10.254.xxx.xxx

3. 無密登陸

   ssh rsync@10.254.162.254

sudo 權限

1. root 用戶

   visudo

2. 添加配置

   # User privilege specification
   root    ALL=(ALL) ALL
   rsync   ALL=(ALL) ALL

3. 如需無密登陸

   # User privilege specification
   root    ALL=(ALL) ALL
   rsync   ALL=(ALL) NOPASSWD: ALL

參考教程

• 如何爲 Centos 添加用戶並賦予 SSH 權限？
• 3-steps-to-perform-ssh-login-without-password-using-ssh-keygen-ssh-copy-id
• adding-user-and-sudo-rule-in-the-sudoers-file