SSH Command Reference
SSH Common command Quick Reference,,, and
ssh user@host |
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ssh -p 2222 user@host |
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ssh -i ~/.ssh/key user@host |
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ssh user@host 'command' |
command |
ssh -J jump user@target |
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ssh -v user@host |
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ssh-keygen -t ed25519 -C "email" |
Ed25519 (Recommended) |
ssh-keygen -t rsa -b 4096 |
RSA 4096 |
ssh-copy-id user@host |
Copy |
ssh-add ~/.ssh/key |
agent |
ssh-add -l |
agent |
ssh-add -D |
agent |
eval $(ssh-agent -s) |
SSH agent |
ssh-keygen -R hostname |
known_hosts |
scp file user@host:/path/ |
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scp user@host:/path/file ./ |
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scp -r dir/ user@host:/path/ |
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sftp user@host |
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sftp> put local_file |
sftp |
sftp> get remote_file |
sftp |
rsync -avz -e ssh src/ user@host:dest/ |
(Recommended) |
ssh -NL 8080:localhost:80 user@host |
() |
ssh -NR 8080:localhost:3000 user@host |
() |
ssh -ND 1080 user@host |
(SOCKS ) |
ssh -fNL 3307:db:3306 user@bastion |
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ssh -NL 3307:db:3306 -L 6380:redis:6379 user@host |
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vim ~/.ssh/config |
SSH |
chmod 600 ~/.ssh/config |
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chmod 700 ~/.ssh |
.ssh |
chmod 600 ~/.ssh/id_* |
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ssh -O check user@host |
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ssh -O exit user@host |
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ssh-keyscan host >> ~/.ssh/known_hosts |
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PermitRootLogin no |
root |
PasswordAuthentication no |
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AllowUsers user1 user2 |
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MaxAuthTries 3 |
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Port 2222 |
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sshd -t |
Syntax |
systemctl restart sshd |
SSH |