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When using a MySQL client (e.g. mysql or phpmyadmin) how can I determine whether it connected to the server using a Unix socket file or by using TCP/IP?

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  • mysql client: use the \s (or status) command. The output would have a line like one of the following:
Connection:             Localhost via UNIX socket
  • phpmyadmin: on the "Home" page search for Server:, e.g.

Server: Localhost (Localhost via UNIX socket)

netstat and sockstat (in FreeBSD) can be used to obtain this information in shell.

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