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Linux

Enhancing kernel security with grsecurity

Post date: November 25, 2005, 21:11 Category: Security Views: 2823 Comments
Tutorial quote: Is your server as secure as it could be? Sure, you use a firewall, mandate strong passwords, and patch regularly. You even take a proactive approach by performing security audits with tools such as nmap and Nessus. Yet you may still be vulnerable to zero-day exploits and privilege escalation attacks. If these possibilities keep you awake at night, you're not alone. The sleepless folks with the grsecurity project have developed an easy-to-use set of security enhancements to help put your fears to rest.
Linux

Easy peasy full system backup

Post date: August 12, 2008, 12:08 Category: Miscellaneous Views: 3162 Comments
Tutorial quote: You know how when someone accidentally deletes their files or their hard drive crashes or some other apocalyptic event occurs, the first thing people ask is “where is your backup”? Of course, we’ve all seen it (*ahem* been there ). It’s a bit unintuitive, because backups have no equivalent in the real world. If you drive your car into a lake, there’s no way to get it back. But making backups is the single best way to prevent losing your stuff. So do it!
Ubuntu

Installing Games On Ubuntu With Playdeb

Post date: September 9, 2008, 11:09 Category: Desktop Views: 2843 Comments
Tutorial quote: Playdeb is a repository for Ubuntu games that makes it easy to install games that are available on getdeb.net. This article shows how you can install games using Playdeb on an Ubuntu 8.04 desktop.
SuSe

gDesklets - Desklets for your Desktop in openSUSE

Post date: August 3, 2008, 13:08 Category: Desktop Views: 5903 Comments
Tutorial quote: gDesklets is another great tool like Google Gadgets for bringing mini programs called desklets such as weather forecasts, news tickers, system information displays, or music player controls, onto your desktop, where they are sitting there in a symbiotic relationship of eye candy and usefulness. The possibilities are really endless and they are always there to serve you whenever you need them, just one key-press away. The system is not restricted to one desktop environment, but currently works on most of the modern Unix desktops (including GNOME, KDE, Xfce).
Ubuntu

How to backup MySQL and recovery Using Zmanda Recovery Manager

Post date: September 9, 2008, 21:09 Category: Software Views: 3064 Comments
Tutorial quote: Zmanda Recovery Manager (ZRM) for MySQL simplifies life of a database administrator who needs an easy to use yet flexible and robust backup and recovery solution for MySQL server.
OpenBSD

Creating secure wireless access points with OpenBSD and OpenVPN

Post date: December 13, 2005, 18:12 Category: Network Views: 7851 Comments
Tutorial quote: You know how insecure 802.11x wireless networks are. In this article we'll create an OpenBSD-based secure wireless access point that prevents unauthorized access and encrypts every packet using a VPN tunnel. OpenBSD is one of the most secure operating systems available, is easy to use, and includes almost everything you need for this project in the base installation.
Linux

Linux 2.6: Compiling and Installing

Post date: April 15, 2005, 22:04 Category: System Views: 2773 Comments
Tutorial quote: We'll look at the process of compiling and installing a new kernel safely, without overwriting the existing kernel.

You can install as many kernels as you like on a Linux system, and select the one you want to run at boot time. This makes it easy to test different kernels, and different kernel configurations, with particular sets of hardware or applications. The wise network admin always tests new kernels before running them on production machines.
Mepis

Mepis + apt = Working On Easy Street

Post date: April 13, 2005, 19:04 Category: System Views: 5674 Comments
Tutorial quote: My reasoning for combining the traditional Debian apt command with Mepis was speed and efficiency. Also, in the fine tradition of open source, I could choose to use the command line instead of the Kpackage or Mepis System Center package management screen. This is a good way to learn about Debian systems that builds confidence for new users right off the bat.

Let's see how apt works with Mepis.
OpenSUSE

ntop in openSUSE to probe & monitor Network Traffic

Post date: April 10, 2009, 07:04 Category: Network Views: 5891 Comments
Tutorial quote: ntop is a free opensource network traffic probe that shows the network usage. ntop is based on libpcap and can run on Linux/Unix and Windows operating system. ntop provides a very easy to use a web access to navigate through ntop traffic information and get a dump of the network status.
Fedora

Installing MyDNS & MyDNSConfig 3 On Fedora 10

Post date: May 24, 2009, 11:05 Category: Miscellaneous Views: 3414 Comments
Tutorial quote: In this tutorial I will describe how to install and configure MyDNS and MyDNSConfig 3 on Fedora 10. MyDNS is a DNS server that uses a MySQL database as backend instead of configuration files like, for example, Bind or djbdns. MyDNSConfig is an easy to use web-based interface to MyDNS. MyDNSConfig can create all types of DNS records that are available in MyDNS and adds features like user management and access privileges.
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