July 2008

Expanding the capacity of a server by adding new disk drives is a typical activity for administrator. In this article, let us review how to add two new disk drives to the DELL server and create RAID 1 using “Dell PowerEdge Expandable RAID Controller – PERC” configuration utility. This tool is also called as “PERC/CERC [...]

The previous articles (openSSH to openSSH setup, SSH2 to SSH2 setup) explains about how to setup key based authentication on the same version of ssh to perform ssh and scp without entering password. This article explains how to setup SSH key based authentication between different version of SSH (from openSSH to SSH2) to perform ssh [...]

All Linux distributions comes with Apache. However, it is recommended to download latest Apache source code, compile and install on Linux. This will make it easier to upgrade Apache on a ongoing basis immediately after a new patch or release is available for download from Apache. This article explains how to install Apache2 from source [...]

For geeks to be more productive, using keyboards as much as possible is a must. AutoHotKey for windows is an excellent tool that can automate repetitive typing. Using scripting in AutoHotKey, you can pretty much perform any activities on Windows. This is a jumpstart guide to get you started on the AutoHotKey. Install and Configure [...]

mysqlhotcopy is a perl script that comes with MySQL installation. This locks the table, flush the table and then performs a copy of the database. You can also use the mysqlhotcopy to automatically copy the backup directly to another server using scp . 1. mysqlhotcopy command: [local-host]# /usr/bin/mysqlhotcopy -u root -p My2Secure$Password sugarcrm /home/backup/database --allowold [...]

If you have more than one domain name, consolidating to a single registrar is a preferred approach. This article will explain the high level steps to transfer a domain name from one registrar to another. In this example, I transfered a domain name from Network Solutions (current registrar) to Go Daddy (new registrar). 1. Purchase [...]

In the previous articles we discussed about Nagios 3.0 Jumpstart guide and How to monitor remote Linux host using Nagios 3.0. In this article, l’ll explain how to monitor remote windows machine and the various service running on the windows server using nagios monitoring server. Following three sections are covered in this article. I. Overview [...]