WordPress is a free and open source blogging tool and a content management system (CMS) based on PHP and MySQL. It has many features including a plug-in architecture and a template system. WordPress is currently the most popular blogging system in use on the Web. Security in WordPress is taken very [...]
Apache performance tuning is very important in the performance of a webserver. As compared with Apache 1.3, there are a lot of additional optimizations brings in the Apache 2.x performance. Most of these settings were done as default in the apache configuration. Since the webserver performance is very much affected by the RAM, there are [...]
CakePHP is an open source web-application rapid development framework and it is written in php. It was started in April 2005. CakePHP perform a lot of tasks automatically, like generating a web-form from database tables -with all validation rules- , Integrating ajax, creating sophisticated method without compromising with security or application performance. […]
Android is a Linux based Operating System with java programming interface primarily designed for smartphones and tablets. Android was initially developed by Android, Inc., and was purchased by Google in 2005. The applications for android can be downloaded from Google Play, Android’s primary app store. […]
1. Download latest version of rkhunter from http://sourceforge.net/projects/rkhunter/ tar -zxf rkhunter-1.3.4.tar.gz --directory /usr/local/src/ cd /usr/local/src/rkhunter-1.3.4/ ./installer.sh --layout /usr/local --install rkhunter -c
chkrootkit is a tool to locally check for signs of a rootkit. It is a common tool among system administrators to check for rootkits. Here, I will explain how to install chkrootkit and scan your server for rootkits. I will also explain how to write a bash script to automate the chkrootkit scan and email [...]
Ever had to stare at those maxheld, barrier, failcnt values in OpenVZ UBC Parameters in /proc/user_beancounters? Not anymore! Below script, taken from nagios plugin, will easily look through the /proc/user_beancounters file and list all UBC parameters that are under resource shortage. […]
Lynis is an auditing tool for Unix. It scans the system and available software, to detect security issues. Beside security related information it will also scan for general system information, installed packages and configuration mistakes. […]
Picture this – Your server is running fine all these days. Low load. Low bandwidth. Happy Customers. And the next day, everything goes haywire. High bandwidth being reported by NOC. Customers’ website getting hacked. You start receiving emails complaining about port scans being executed from your server. You get frustrated by all these. [...]
Very recently, I was asked by few of my colleague to performance tune a website, which its web master found too slow to handle requests. The site was already running on a dual quad core processor with 8 GB of RAM. And, the apache configuration was at its maximum to get rocking performance from the [...]
