Linux Note

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SSH

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ssh -i <path-to-pem> admin@<ip/dns>

Local Port Forwarding:

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ssh -i <path-to-pem> -l admin <ip/dns> -L 9999:localhost:9999

SCP

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scp -i <path-to-pem> <path-to-source-file> admin@<ip/dns>:/home/admin/<path-to-target-file>

Auto-start after reboot

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$ systemctl enable docker
Synchronizing state of docker.service...
Executing /lib/systemd/systemd-sysv-install enable docker
$ systemctl is-enabled docker
enabled