Free unix system administration software for linux

PHP System Administration Toolkit is a toolkit/framework for the rapid development of system administration Web interfaces in PHP. PHP System Administration Toolkit will provide easy access to, for example, LDAP/xSQL servers.

Formerly known as the Ximian Setup Tools, GNOME System Tools are a fully integrated set of tools aimed to make easy the job that means the computer administration on an UNIX or Linux system.
Theyre thought to help from the new Linux or UNIX user to the system administrators. The GNOME System Tools are free software, licensed under the terms of the GNU General Public License.
Main features:
Its main advantages are:
- Full integration with the new GNOME Control Center.
- An user-friendly interface to carry out the main administration tasks.
- The use of a common user interface in every system.
- A common structure that makes easy the development of new system tools.
Nowadays there are tools for managing:
- Users and groups
- Date and time
- Network configuration
- Bootloaders
- Runlevels

Hydra Backup System is a full backup system for UNIX-like systems.
Main features:
- Archives directories and stores archives on one or more FTP servers
- Includes a graphical client (built with the PyQT toolkit) and a command-line client for local or remote backup administration
- Control how often directories are backed up (daily, weekly, or monthly)
- Exclude directories from backups (e.g. backup /etc/ without backing up /etc/apache)
- Uses Pyro for client-server communication

Unix::Mknod is a Perl extension for mknod, major, minor, and makedev.

SYNOPSIS

use Unix::Mknod qw(:all);
use File::stat;
use Fcntl qw(:mode);

$st=stat(/dev/null);
$major=major($st->rdev);
$minor=minor($st->rdev);

mknod(/tmp/special, S_IFCHR|0600, makedev($major,$minor+1));

This module allows access to the device routines major()/minor()/makedev() that may or may not be macros in .h files.

It also allows access to the mknod system call.

PureUserAdmin provides a Web-based Pure-FTPd user administration system.
PureUserAdmin is a Web-based aplication for easily managing the virtual users for Pure-FTPd servers, although it should be possible to use it with other FTP servers as long as they get user account information from MySQL or PostgreSQL.
Main features:
- create users
- modify users
- delete users
- do the above in MySQL or PostgreSQL
- lists all uids and gids available on your system
Enhancements:
- added search to userlist added a limit per page to userlist

Virtualmin is the worlds most popular Open Source virtual hosting management system designed to make virtual hosting quick, reliable, and secure. Now Virtualmin is also easy to install, professionally supported, and aggressively targeted to answering the needs of web hosting providers.
Compare Virtualmin to cPanel, feature for feature. The new Virtualmin application stack is easier to install, easier to use, and provides the only complete web-based system management platform on the market.
The right tool for the job
With the Virtualmin tool-chest, you can manage every aspect of your servers from an easy-to-use, well-documented, and secure web-based GUI. There is no more comprehensive web-based administration product available.
Webmin provides a graphical system administration tool for everything on a UNIX or Linux system, Virtualmin provides a quick and easy virtual hosting management system, and Usermin provides webmail, password changes, database management, spam filter configuration, and much more. Virtualmin, Inc. provides an easy to install package providing all of these tools and more.
Enhancements:
- Webalizer statistics are now included in cPanel migrations.
- A restriction was added to the Edit Owner Limits page to prevent the creation of catch-all email aliases.
- A Module Config option was added for deleting aliases when email is disabled for a domain.
- Many small bugs were fixed.

GNU Hosting Helper is a web hosting management package. It is distributed under the GNU GPL (General Public License) Agreement.
This package provides tools to manage many of the aspects of a hosting environment.
GNU Hosting Helper also provides a client utility to reduce the need for staff to perform tasks that a client needs such as managing email accounts.
Main features:
Administrative Features
The features provided through the administrative interface include (but not limited to):
- Server Tasks
- Security Management
- Server Monitor
- Ticket Center
- News Management
- Knowledge Base
- Fraudscreen
- Domain Management
- User Management
- Billing/Accounting
- Account Information Tools
- Miscellaneous Functions
- Package Management
- Manage Hosting Servers
- Manage Client Interfaces
- Manage Mail Servers
- Manage Name Servers
- Manage Signup Servers
- Manage Server Pools
- Manage Administrators
- Manage Admin Daemon
- System Config
Client Features
The features provided thru the client interface include (but not limited to):
- Account Quickview
- Account Resources
- System Information
- Email Functions
- Virtual FTP Management
- Sub Domain Management
- SSL Certificate Management
- Website Management
- Front Page Extensions Management
- Stats and Logs access
- Account Management
- Account Billing
System/Network Support
GNU Hosting Helper currently supports management for the following software:
- Apache 1.3x and 2x
- Sendmail and Postfix
- Most major FPTD software
- BIND 8x and BIND 9x
- MySQL 3x and 4.0.x
Enhancements:
- Fixes an error with MyDNS where straight domains wouldnt resolve.
- Fixes an error with some systems rnd file creation for creating SSL CSR.
- Fixes an error representing bandwidth allotment, usage, and remaining.
- Fixes an error in the init.d file for the admin server daemon.
- Fixes an error with encryption when editing Webmail, signup, mail, and hosting servers.
- Adds SSH port specification and SSH daemon management to all managed servers.