43 lines
664 B
Markdown
43 lines
664 B
Markdown
# SSH
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## Create key
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```bash
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ssh-keygen -t ecdsa -b 521
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# specif an file
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ssh-keygen -t ecdsa -b 521 -f ~/.ssh/key-ecdsa
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```
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## Copy public key
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```bash
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ssh-add ~/.ssh/id_ed25519
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ssh-copy-id -i ~/.ssh/y-ecdsa.pub example_user@192.0.2.4
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```
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## Add existing Key
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```bash
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ssh-add ~/.ssh/key-ecdsa
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```
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## Alias
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```bash
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Host srv01
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HostName srv01.lan
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User john
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RemoteCommand cd ~/; exec bash --login
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RequestTTY yes
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```
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## Port Binding
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Bind local port 8001 to target-server port 80 using jump-machine.local.
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_(local machine without direct access to target-server)_
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```bash
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ssh -f -N -L localhost:8001:target-server:80 usr@jump-machine.local
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```
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