Introduction – In many systems, User has to enter root password to enter in to “single user mode“. On Ubuntu/Debian system, you have to enter root password while entering into single user mode. What to do if you loss or forgot root password ? method(1) Use bootable CD – This is the last options to …
Introduction – Web 2.0 is a strange thing in that it doesn’t really exist. You can’t buy Web 2.0; you can’t buy a Web 2.0 programming language, and you can’t buy Web 2.0 hardware. In many ways, the phrase “Web 2.0” is a marketing phrase like “paradigm shift” or “the big picture“. The reason for …
Introduction – Many times, we need to validate an IP Address. Of course, and IP address may be of different formats for ipv4 and ipv6. An IP address may also need to be within a range of private or reserved ranges. The filter extension makes it possible to discern these differences and to validate an …
Introduction – This shell script can be used to known whether the IP address of your mail server is black list or not… Who can use this script ? – System Admin, Mail Server admin or any one who want to find the IP address is black listed or not? root@arunbagul:/home/arun/bash-prog# cat black_white_listing.sh #!/bin/bash echo …
Introduction – In this article we will cover cPanel directory structure and configuration files – When you install cPanel on your web Server, cPanel configuration files, setting, script, admin templates and 3rd party modules are stored in following three directories – ● /usr/local/cpanel ● /var/cpanel ● /scripts 1) /usr/local/cpanel – This is the main directory …
Introduction- One day I was just playing with device files in /dev directory. While next reboot I met a new error “Mounting proc filesystem Bad file descriptor No such partition found …” I have no idea why this is happening! I stuck with this problem for two days and with lot of search on internet …
Introductions – First starts with PHP4 features. PHP4 started up with object-oriented concepts like as c++. PHP4 got almost all the OOPs features. With little difference in functionality… Below are PHP4 added features – class extends Constructors Scope Resolution Operator (::) parent Serializing objects – objects in sessions The magic functions __sleep and …
Introduction – Why we need to change MAC address? On one of our proxy server which is directly connected to internet. Due to some reason I have to assign MAC address to one of the Interface eth0! My ISP want unique MAC address to interface which is connected to there service. Set MAC address to …