February 4, 2008 · Server · 26 comments

eGroupWare is a Web-based groupware suite. It contains many modules, including Calendar (personal calendar and group scheduling, notifications and alarms), Mail (Email (IMAP and POP3) or FeLaMiMail (IMAP only)), InfoLog (todos, notes, and phone calls linked to contacts (CRM)), Contacts (an addressbook to store and share contact information), and SiteMgr or JiNN (content management).

Continue reading →

January 30, 2008 · Networking, Server · 10 comments

Heartbeat2 Xen cluster with drbd8 and OCFS2 by Atul Athavale
Abstract

This Article describes Heartbeat2 Xen cluster Using Ubuntu (7.10) OS, drbd8 and OCFS2 (Ver. 1.39) File system. Although here Ubuntu is used it can be done in almost same way with Debian

Continue reading →

January 11, 2008 · Server · 24 comments

GLPI stands for “Gestionnaire libre de parc informatique”, GLPI is the Information Resource Manager with an additional Administration- Interface. You can use it to build up a database with an inventory for your company (computer, software, printers...). It has enhanced functions to make the daily life for the administrators easier, like a job tracking system with mail-notification and methods to build a database with basic information about your network-topology.

Continue reading →

January 10, 2008 · General, Server · 30 comments

Some distributions run a caching nameserver in the background out of the box while some do not. To clear the cache if you have such a daemon running, simply restart the nscd service in ubuntu.

Continue reading →

December 23, 2007 · General, Server · 2 comments

Whowatch is an console, interactive users and process monitoring tool.It displays information about the users currently logged on to the machine, in real-time. Besides standard informations (login name, tty,host, userâs process), the type of the connection (ie. telnet or ssh) is shown. Display of users command line can be switch to tty idle time. Certain user can be selected and his processes tree may be viewed as well as tree of all system processes. Tree may be displayed with additional column that shows owner of each process. In the process tree mode SIGINT and SIGKILL signals can be sent to the selected process. Killing processes is just as simple and fun as deleting lines on the screen.

Continue reading →