HMC manages hundred of hosting sites with a single Web interface. It is designed for sites which provide hosting space to customers on a standard basis, like Unix without access to CGI, Unix with CGI, NT Server with ASP, etc. All of these are managed from a centralized database and some installed scripts on the Web servers, so you can administer a Web server farm using a browser and MySQL.
Hwclock is a program that runs under Linux and sets and queries the Hardware Clock, which is often called the Real Time Clock, RTC, or CMOS clock. This is the program that most Linux systems use to get the time from the Hardware Clock and set the System Time at boot time. This program works on ISA (Intel), Alpha, SPARC, and M68K systems with or without /dev/rtc.
ipcalc takes an IP address and netmask and calculates the resulting broadcast, network, Cisco wildcard mask, and host range. By giving a second netmask, you can design sub- and supernetworks. It is also intended to be a teaching tool and presents the results as easy-to-understand binary values.
The IPchains Firewalling Module, part of the RockSolid Linux Distribution, allows you to easily maintain a firewall based on ipchains with the Webmin look and feel. It has three modes: Newbie (select one of five security levels), Template (define from a table with protocols and directions what should be allowed to pass your firewall), and Expert (have the real ipchains experience by having every parameter under control by editing a script file which has all ipchains rules). Nearly all of the ipchains options are supported.
IRM is a Web-based asset tracking and help desk/work request system built for IT departments and help desks. It keeps detailed information about each computer, as well as a complete history of work requests. It keeps track of detailed computer information such as CPU type/speed, amount of RAM, Hard Drive Size, serial numbers, etc. The system includes the ability to track networking hardware and any type of software. Also included is support for email notification of both users and technicians, and some support for monitoring computer systems via SNMP.