Software

create html report of the mail server (apache, perl, mysql)
Mailreport is a powerful tool to analyse mail log file, all explicit pattern are saved in a MYSQL database. You can automate this process with the crontab.
http://mailreport.sourceforge.net

dnsupdate - create/update (dynamic) DNS tables, uses BIND 8
Create DNS tables from hosts file and configuration file. Also add/delete hosts, aliases, nameservers, forward and reverse zones. Hosts and aliases added using dynamic update.
http://dnsupdate.sourceforge.net

Easilize Software Solutions
Easilize Software Solutions announces EasiLiX SM. Easilix SM, is the Big Bang for Linux World! EasiLiX has especially two main aims: First, to make Linux Server and System Management easier and second, to make Linux more secure and reliable. Easilix is a Linux integrated software that makes administering Linux easier and more secure.
http://www.easilize.com

FAI (Fully Automatic Installation) Home Page
FAI is a non interactive system to install a Debian Linux operating system on a PC cluster.
http://www.informatik.uni-koeln.de/fai/

Fcron
A periodical command scheduler for Unix and Linux systems.
http://fcron.free.fr/

IDEALX Management Console
IMC (IDEALX Management Console) is an Open Source platform for developing web administration consoles, similar to Webmin.
http://imc.sourceforge.net

JACAL
A suite of programs, scripts, guidelines, protocols, documentation, and diskettes, that assist in quick, network-based loads and builds of machines.
http://jacal.sourceforge.net/

Linuxconf project
administration system for the Linux operating system. In many ways, Linuxconf is different from other administration schemes found on Unix operating systems and most other systems.
http://www.solucorp.qc.ca/linuxconf/

Sendmail Home Page
A resource for solving those freeware sendmail issues
http://www.sendmail.org/

Software I've contributed too...
This page is about the software I've written (or contributed to). I release all of my software under the GNU General Public License, or (where appropriate) the GNU Library General Public License. Check out the pages of the Free Software Foundation for a more detailed description about these licenses.
http://www.xs4all.nl/~rsmith/software/

Sudo
Allows administrator to give restricted root access.
http://www.courtesan.com/sudo/

Swbis - GNU Project - Free Software Foundation
The swbis project is a from-scratch implementation of the POSIX spec IEEE Std 1387.2-1995 which describes a format and utilities for software packaging. The scope of the POSIX spec includes a package format, meta-data file format, and utilities for package creation, installation, query, listing, and verification.
http://www.gnu.org/software/swbis/

Top
CPU Usage Display
http://www.groupsys.com/topinfo/

Unix and Linux Solutions and Utilities
Parkridge specializes in customized solutions, system administration, systems integration and network security for Unix systems. Developers of Unix system administration utility products. As a consequence of supporting Unix systems for many years we have developed utilities that not only save time but also improve the functionality of Unix/Linux systems.
http://www.parkridge.on.ca

Webmin
a web-based interface for system administration for Unix. Using any browser that supports tables and forms, you can setup user accounts, Apache, DNS, file sharing and so on.
http://www.webmin.com/webmin/