E-Book Overview
This chapter explains what Webmin is, why it was written, and what you can expect from this book. What is Webmin? Webmin is a program that simplifies the process of managing a Linux or UNIX system. Traditionally, you have needed to manually edit configuration files and run commands to create accounts, set up web servers, or manage email forwarding. Webmin now lets you perform these tasks through an easy-to-use web interface, and automatically updates all of the required configuration files for you. This makes the job of administering your system much easier. Some of the things that you can do with Webmin include: Creating, editing, and deleting UNIX login accounts on your system Exporting files and directories to other systems with the NFS protocol Setting up disk quotas to control how much space users can take up with their files Installing, viewing, and removing software packages in RPM and other formats Changing your system's IP address, DNS settings, and routing configuration Setting up a firewall to protect your computer or give hosts on an internal LAN access to the Internet Creating and configuring virtual web sites for the Apache Web server Managing databases, tables, and fields in a MySQL or PostgreSQL database server Sharing files with Windows systems by configuring Samba These are just a few of the available functions. Webmin lets you configure almost all of the common services and popular servers on UNIX systems using a simple web interface. It protects you from the syntax errors and other mistakes that are often made when editing configuration files directly, and warns you before potentially dangerous actions. Because Webmin is accessed though a web browser, you can log in to it from any system that is connected to yours through a network. There is absolutely no difference between running it locally and running it remotely, and it is much easier to use over the network than other graphical configuration programs.