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Mail Test via Telnet
This article shows how to make a manual mail test via telnet so you can see the remote server response live and troubleshoot any issues you might be experiencing.
How to convert a PFX file to a file apache will understand
Here are some basic simple steps to convert a PFX file to a format that your apache server on linux will understand , you only need openssl installed on your server for this to work ok.
HTACCESS redirect example
The following is an example of how to redirect your complete site to the domain name without the www or viceversa.
Using NMAP tool
This is an article from Corey Nachreiner i thought would be very usefull to add to my articles , the article can be very handy for those trying to find a way through nmap, a very powerfull networking tool
Load Balancing usind DNS round robin
Creating a Load Balancing effect with DNS servers is easier than you might think. Maybe if you have ever heard of the term round robin algorythms you have an idea of what im talking about. Find out a detail article of load balancing using DNS servers like BIND.
How to use a tape drive in linux
Sometimes remembering the way to access your tape drive in linux aint that easy, follow this basic guide which has almost all the neccesary commands you might execute on your tape drive.
Forgot the root password of your linux box?
Geeezzz ... did you forgot your root password from your linux box?, well perhaps is not the end of the world if you do have physicall access to your box, you can start it on single user mode and reset it. Dont know how? ... then read this article.
Grub - selecting kernel
A typical situation on RedHat EN 3 is that even though your server is a dual processor machine, the Grub loader will boot with the single processor kernel even though you have both installed, this is obviously very counter productive with remote reboots, learn how to fix this problem here.
Using awk to analyze logs
AWK is a neat tool that comes in most *nix OS environments, basically on this small article I show you how to use awk to analyze a log file like an access_log from apache or even a sendmail log file. This can be really usefull to analyze big log files and find in some cases, someone hammering your server with hyge traffic (DoS Attack)
Ethernet promiscuous mode
What is exactly promiscuous mode? , what would it do on my network interface card and why would i need to use it? This small article will give you a brief description of promiscuous mode as well as basic and fast instructions on how to set your ethernet adapter card to work on this mode.