You can use the PEM client to graphically manage the configuration parameters of a remote Postgres server:
1. Right click on the name of a monitored server in the tree control, and select Connect from the context menu. If prompted, provide a password to connect to the server.
2. Navigate through the Tools menu to the Server Configuration sub-menu, and select the configuration file you wish to edit.You can use the Configuration Editor (shown in Figure 4.1) to display the contents of the postgresql.conf file or pg_hba.conf file for the currently selected server. To edit a parameter value, double-click on the parameter name. When you have made any desired changes, you can save the file on the remote server by selecting Save from the File menu, or by clicking the Save toolbar icon.Warning: Specifying invalid values for parameters may prevent your Postgres server from starting.After saving the configuration file, you must reload the server configuration. To reload the configuration files, navigate through the Tools menu and select Reload configuration.