Install and uninstall plugins from your admin interface without uploading the plugins via FTP and automatically check for plugin updates.
IMPORTANT: This plugin DOES NOT work on a windows server, as there are no commandline tools to unpack archives, but it works great when connecting from windows to a linux/unix server.
PREREQUISITES: Make sure your server has the following tools installed and readily available within the search path: "tar", "gzip" and "unzip". Also, set your wp-content/plugins directory to world-writeable (chmod -R 777 plugins) or at least writeable to your httpd user.
Carefully follow the following steps as it is probably the last time you will ever do this: