mirror of https://github.com/CrimsonTome/tldr.git
33 lines
990 B
Markdown
33 lines
990 B
Markdown
# ssh
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> Secure Shell is a protocol used to securely log onto remote systems.
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> It can be used for logging or executing commands on a remote server.
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- Connect to a remote server:
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`ssh {{username}}@{{remote_host}}`
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- Connect to a remote server with a specific identity (private key):
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`ssh -i {{path/to/key_file}} {{username}}@{{remote_host}}`
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- Connect to a remote server using a specific port:
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`ssh {{username}}@{{remote_host}} -p {{2222}}`
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- Run a command on a remote server:
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`ssh {{remote_host}} {{command -with -flags}}`
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- SSH tunneling: Dynamic port forwarding (SOCKS proxy on localhost:9999):
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`ssh -D {{9999}} -C {{username}}@{{remote_host}}`
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- SSH tunneling: Forward a specific port (localhost:9999 to slashdot.org:80):
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`ssh -L {{9999}}:slashdot.org:80 {{username}}@{{remote_host}}`
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- Enable the option to forward the authentication information to the remote machine (see `man ssh_config` for available options):
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`ssh -o "ForwardAgent=yes" {{username}}@{{remote_host}}`
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