Ssh (OpenSSH client)

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ssh[1] is the OpenSSH ssh client for logging or executing commands into remote devices/machines


Usage

  • ssh REMOTE_USERNAME@REMOTE_SERVER_NAME_OR_IP
  • ssh -vvv REMOTE_USERNAME@REMOTE_SERVER_NAME_OR_IP (-v increase verbosity, maximum 3)
    • ssh -vvv REMOTE_USERNAME@REMOTE_SERVER_NAME_OR_IP 2>&1 | grep "STRING_TO_SEARCH"

Multiplexing options

ssh -O check server.example.org or ssh -O check [email protected] 
Master running (pid=26289)
ssh -O check [email protected] 
Control socket connect(/path/): No such file or directory

To stop an specific multiplexed session:

ssh -O stop [email protected]

Avoid using Multiplexing for a connections:

ssh -o "ControlMaster=no" server.example.org

See also: Configure OpenSSH to reuse ssh connections

Activities

See also

  • http://man7.org/linux/man-pages/man1/ssh.1.html
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