So you’ve got MySQL on your web server, but it’s only opened to local ports by default for security reasons. If you want to access your database from a client tool like the MySQL Query Browser, normally you’d have to open up access from your local IP address… but that’s not nearly as secure.
So instead, we’ll just use port-forwarding through an SSH tunnel, so your MySQL client thinks it’s connecting to your localhost machine, but it’s really connecting to the other server through the tunnel.
If you are using the command line ssh, the command would look like this. (You can do the same thing graphically in Putty or SecureCRT options if you need to)
ssh -L 3306:localhost:3306 firstname.lastname@example.org
The syntax is ssh -L <localport>hostname<remoteport> <username>@<servername>. We’re using localhost as the hostname because we are directly accessing the remote mysql server through ssh. You could also use this technique to port-forward through one ssh server to another server.
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