Câu 9: XK0-006: CompTIA Linux+

A systems administrator is configuring new Linux systems and needs to enable passwordless authentication between two of the servers. Which of the following commands should the administrator use?

1. A. ssh-keygen -t rsa $$ ssh-copy-id -i ~/.ssh/id_rsa.pub john@server2 — đáp án hiện tại
2. B. ssh-keyscan -t rsa $$ ssh-copy-id john@server2 -i ~/.ssh/key
3. C. ssh-agent -i rsa $$ ssh-copy-id ~/.ssh/key john@server2
4. D. ssh-add -t rsa $$ scp -rp ~/.ssh john@server2