Ubuntu新增用户登录之后不能执行命令

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VIP免费原创最新推荐文章于 2026-08-14 10:18:57 发布 2k 阅读 AI 写同款· GEO 优化 ›

AWS EC2 ubuntu新增用户（密钥登录） AWS上的EC2主机默认采用了更为安全的密钥连接，在保留密钥连接的情形下，如何新增用户呢？步骤 1.创建一对新的密钥进入AWS的EC2控制台，查看左边的菜单列表。选择《网络与安全》—《密钥对》—《创建密钥对》，然后选择pem文件格式，保存生成的私钥。该私钥为新用户登录使用，注意不要丢失和泄露。 2.创建新用户登录系统默认的ubuntu用户，按如下命令操作： sudo adduse... 阅读详情

新建一用户test，用该用户登录

Connecting to 129.133.26.18:22...
Connection established.
To escape to local shell, press 'Ctrl+Alt+]'.

Welcome to Ubuntu 16.04.2 LTS (GNU/Linux 4.4.0-63-generic x86_64)

 * Documentation:  https://help.ubuntu.com
 * Management:     https://landscape.canonical.com
 * Support:        https://ubuntu.com/advantage

Welcome to Alibaba Cloud Elastic Compute Service !

$ ls
$ ls
$ ls
$ cd 
$ cd /
$ sudo ls
sudo cd /
sudo: unable to resolve host iZwz9facu0pduhjuicufmqZ
[sudo] password for test: 
Sorry, try again.
[sudo] password for test: 
test is not in the sudoers file.  This incident will be reported.
$ sudo cd /
sudo: unable to resolve host iZwz9facu0pduhjuicufmqZ
[sudo] password for test: 
Sorry, try again.
[sudo] password for test: 
test is not in the sudoers file.  This incident will be reported.
$