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| [Ubuntu Linux] 리눅스 [Linux] root 비밀번호 설정 |
ssh 접속
| C:\Users\cho_g> C:\Users\cho_g>ssh javanian@192.168.140.1 -p 22 javanian@192.168.140.1's password: Welcome to Ubuntu 22.04.2 LTS (GNU/Linux 5.15.0-60-generic x86_64) * Documentation: https://help.ubuntu.com * Management: https://landscape.canonical.com * Support: https://ubuntu.com/advantage System information as of Tue Feb 21 06:01:00 AM UTC 2023 System load: 0.11669921875 Processes: 144 Usage of /: 40.4% of 47.93GB Users logged in: 1 Memory usage: 20% IPv4 address for enp0s3: 10.0.2.15 Swap usage: 0% * Strictly confined Kubernetes makes edge and IoT secure. Learn how MicroK8s just raised the bar for easy, resilient and secure K8s cluster deployment. https://ubuntu.com/engage/secure-kubernetes-at-the-edge * Introducing Expanded Security Maintenance for Applications. Receive updates to over 25,000 software packages with your Ubuntu Pro subscription. Free for personal use. https://ubuntu.com/pro Expanded Security Maintenance for Applications is not enabled. 0 updates can be applied immediately. Enable ESM Apps to receive additional future security updates. See https://ubuntu.com/esm or run: sudo pro status Last login: Tue Feb 21 02:00:26 2023 from 10.0.2.2 javanian@ubuntu:~$ |
su (switch user)
- 입력하지 않으면 root (super user, 관리자)
| javanian@ubuntu:~$ su Password: su: Authentication failure javanian@ubuntu:~$ sudo passwd [sudo] password for javanian: New password: Retype new password: passwd: password updated successfully javanian@ubuntu:~$ |
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