[ssh 命令]

# 生成密钥对，本地放私钥，公钥放到平台，
$ ssh-keygen -t rsa -N "" -f id_rsa
$ ssh-copy-id -i /path/to/public_key.pub username@hostname

$ ssh -i id_rsa root@10.10.10.10

$ scp -i id_rsa xxx root@10.10.10.10:/tmp/
$ scp -i id_rsa root@10.10.10.10:/tmp/  xxx 

localhost:~ 
$ cd ~/.ssh
localhost:.ssh 
$ ll
-rwx------@ 1 adward  staff  3243  2 17  2023 AI-general-key.pem
-rw-r--r--  1 adward  staff   400 10 15  2022 authorized_keys
-rw-r--r--  1 adward  staff   148  9  2 22:13 config
-rw-------  1 adward  staff  2761  9  2 21:59 id_rsa
-rw-r--r--  1 adward  staff   586 12  7  2021 id_rsa.pub
-rw-------  1 adward  staff  3579 11 29 21:29 known_hosts
-rw-------  1 adward  staff  2746 11 21 09:33 known_hosts.old
-rw-------  1 adward  staff  3554  9 10 21:21 known_hosts.old2