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Debian

Xen from Backports on Debian Sarge

Post date: August 12, 2006, 18:08 Category: Software Views: 3112 Comments
Tutorial quote: There is a great howto about installing Xen on Debian Unstable. It is really easy to do and it runs fine. Nevertheless, on production servers, that's not an optimal solution. Debian Unstable has too many updates and things change too often. On production machines, a Xen host system should be stable, secure and should not need much attention. That is where Sarge comes in. If you pull the Xen packages from backports and install them on Debian stable you've got the best of both worlds. Let's do so!
Debian

Growing ext3 partition on RAID1 without rebooting

Post date: August 12, 2006, 18:08 Category: System Views: 3822 Comments
Tutorial quote: Although rather straightforward, I couldn't find an easy step-by-step guide, so here I'll describe how I ended up growing my ext3 partion on a RAID-1 array.
Debian

Sharing a printer to Windows XP clients with Samba and Cups

Post date: August 12, 2006, 18:08 Category: Network Views: 8312 Comments
Tutorial quote: Setting a printer in Debian Sarge from scratch and make it available for Windows XP clients on a LAN can be difficult, but using CUPS and samba it should be fairly straightforward if you have a supported printer. Here we will demonstrate how to do this.
Debian

Installing new Debian systems with debootstrap

Post date: August 12, 2006, 18:08 Category: Installing Views: 3506 Comments
Tutorial quote: When it comes to installing new installations of Debian GNU/Linux there is one tool which should not be ignored. Whether you're dealing with a real system, or a virtualised one, the debootstrap tool is ideal for quickly installing new Debian environments.

Put simply the debootstrap package allows you to install a fresh copy of Debian GNU/Linux into a directory. This new installation will have all the basic packages and binaries which you'd expect to be present
Debian

Nagios 2.5 and Oreon 1.3 (Nagios web front end) installation with screenshots

Post date: August 11, 2006, 17:08 Category: Network Views: 5305 Comments
Tutorial quote: OreonĀ© is an Open Source monitoring solution based on Nagios. It offers to this monitoring standard a new front end and brings it a panel of new functionalities.
Debian

Easy SNMP Server and Client Configuration Steps

Post date: August 2, 2006, 18:08 Category: Network Views: 3828 Comments
Tutorial quote: Simple Network Management Protocol (SNMP) is a widely used protocol for monitoring the health and welfare of network equipment (eg. routers), computer equipment and even devices like UPSs. Net-SNMP is a suite of applications used to implement SNMP v1, SNMP v2c and SNMP v3 using both IPv4 and IPv6.
Debian

Little-known APT utilities for Debian desktop users

Post date: July 30, 2006, 18:07 Category: Desktop Views: 3016 Comments
Tutorial quote: The Advanced Packaging Tool (APT) is a distinguishing feature of Debian-based systems. APT was the first major alternative in GNU/Linux to boast automatic dependency resolution. Most GNU/Linux users know it through the apt-get command, a utility that calls on the lower-level dpkg command. However, other APT-based utilities remain largely unknown to desktop users. Some of these utilities offer a range of functionality far beyond those of the basic tools.
Debian

Secure Debian System Using FireHOL Firewall

Post date: July 26, 2006, 20:07 Category: Desktop Views: 3268 Comments
Tutorial quote: FireHOL is a stateful iptables packet filtering firewall configurator. It is abstracted, extensible, easy and powerful. It can handle any kind of firewall, but most importantly, it gives you the means to configure it, the same way you think of it.
Debian

Nagios and Oreon (Nagios web front end) installation and Configuration

Post date: July 18, 2006, 17:07 Category: Software Views: 3685 Comments
Tutorial quote: Nagios is a host and service monitor designed to inform you of network problems before your clients, end-users or managers do. It has been designed to run under the Linux operating system, but works fine under most *NIX variants as well. The monitoring daemon runs intermittent checks on hosts and services you specify using external "plugins" which return status information to Nagios. When problems are encountered, the daemon can send notifications out to administrative contacts in a variety of different ways (email, instant message, SMS, etc.).

Debian

Postfix Monitoring With Mailgraph And pflogsumm

Post date: July 16, 2006, 16:07 Category: Miscellaneous Views: 4160 Comments
Tutorial quote: This article describes how you can monitor your Postfix mailserver with the tools Mailgraph and pflogsumm. Mailgraph creates daily, weekly, monthly, and yearly graphs of sent, received, bounced, and rejected emails and also of spam and viruses, if SpamAssassin and ClamAV are integrated into Postfix. These graphs can be accessed with a browser, whereas pflogsumm ("Postfix Log Entry Summarizer") can be used to send reports of Postfix activity per email.
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