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Set Up ~/.ssh/config for Several Servers

A complete config file: shared defaults at the top, then one short block per server so you connect with a name instead of an address.

After this, ssh prod replaces ssh deploy@203.0.113.10 -p 2222, and scp, rsync and git all understand the same short name. Host * at the end applies to every entry above it.

When you need this: Once you manage more than one server, or as soon as you are retyping IP addresses and usernames.

Variables

Short name you will type *

Server address *

Username on the server *

SSH port

Key file name *

Command

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