Below is the link list to essential Cisco related cheat sheets (collection of notes or quick reference guides whatever). By the way, we don’t recommend to cheat anything and/or do a cheating of any sort by means of using these materials 😉 1. Cisco IOS… Read More »15+ “must have” Cisco Cheat Sheets
Well, IBM publishes a new article about useful Unix command line habits as a follow-up to Michael Stutz’s article. I promise that after reading this article you will say something like “A-ha, I didn’t know you could do that!” 🙂 Here is the part of… Read More »Another 10 good Unix habits to pickup
Why one should want to install Gnome in Ubuntu as it comes with this distribution by default? The answer is rather short: it works for Ubuntu server initially installed without X window manager. Here you go: sudo aptitude install ubuntu-desktop gdm When done you can… Read More »Ubuntu: Install Gnome
Historically domain controllers (DCs) were Windows servers responding to security authentication requests (logging in, etc.) within the Windows Server domain. Today Samba project goes beyond emulating Windows shares and can be used as Primary Domain Controller in Windows network. To help people who are under… Read More »OpenLDAP + Samba Domain Controller on Debian or Ubuntu
Question: Can you give me more information on how to set up MySQL cluster? Answer: Sure, below are the links to extremely informative Internet resources providing detailed guides on why and how to deploy MySQL cluster. By the way a cluster in IT field is… Read More »FAQ: How to install and configure MySQL cluster?
This quick manual tells how to set up database replication in MySQL. Basically it was written for 5.* MySQL versions but is also applicable for 3.23/4.0 ones (btw they are still in use, believe me). As you might already know, replication allows you to create… Read More »Quick copy/paste MySQL Replication Manual
Sudo (Super User Do) is Linux console only utility allowing users to execute programs which require root rights without knowing root password. There are lots of topic why sudo rocks on the Web so here you can find a tip how to configure sudo in… Read More »Configure Sudo: no password for certain commands (nopasswd)
If you downloaded fresh Firefox 3 installation e.g. from here and tried to install it in Debian Etch, you might notice that latest version of the popular browser requires GTK+ 2.10 while Etch contains only 2.8: We’re sorry, this application requires a version of the… Read More »Install Firefox 3 in Debian Etch
Question: How can I block traffic coming from specific operating system in Linux? In other words, how can I block traffic from Windows users on my firewall and allows other people? Answer: There is an iptables module named OSF (passive OS Fingerprinting) that was written… Read More »FAQ: How to block/allow packets sent by specific Operating System with iptables?