Nagios is one of the best open source server and network monitoring solutions available. Using the flexible nagios framework, you can monitor pretty much anything (including database and custom application). This article, using 4 simple steps, explains how to setup contact definitions who will get notification when a host or service has any issues. [...]
June 2009
Renaming a single file is very simple task for Linux user. But renaming multiple files in group may not be a straight forward task. In this article, let us review 3 different methods to rename multiple files together. Method 1. Use Rename Linux Command Using rename command you can rename group of files. The syntax [...]
Question: How do I fix “Error: no suitable installation target found for package” error message that I received when installing a perl module using ppm install? Answer: When we are behind firewall, we would opt for ‘ppm through local repository’ to install perl modules, which is the very easiest way. When installing perl module using [...]
An experienced Linux sysadmin knows the importance of running the routine maintenance jobs in the background automatically. Linux Cron utility is an effective way to schedule a routine background job at a specific time and/or day on an on-going basis. This article is part of the on-going Productivity Tips For Geeks series. In this article, [...]
If you own a Linksys Wireless router, it is strongly recommended that you upgrade the firmware to a latest version, which may resolve lot of bugs including random dropping of wireless connections. This article explains how to upgrade to the latest firmware on your Linksys wireless router. Also, make sure you’ve secured your wireless [...]
You may be using Google search multiple times per day to locate something on the web. Learning how to use Google search effectively can boost your productivity instantly. This article is part of the on-going Productivity Tips for Geeks. In this article let us review 15 awesome google search tricks that will improve the [...]
On some of the Linux distribution SELinux is enabled by default, which may cause some unwanted issues, if you don’t understand how SELinux works and the fundamental details on how to configure it. I strongly recommend that you understand SELinux and implement it on your environment. But, until you understand the implementation details of SELinux [...]
My name is Ramesh Natarajan. I will be posting instruction guides, how-to, troubleshooting tips and tricks on Linux, database, hardware, security and web. My focus is to write articles that will either teach you or help you resolve a problem. Read more about