Under PHP you need to use header() to send a raw HTTP header.
Using headers() method, you can easily transferred to the new page without having to click a link to continue. This is also useful for search engines. Remember that header() must be called before any actual output is sent, either by normal […]

You need to use biosdecode command line utility. Dmidecode is a tool or dumping a computer’s DMI (some say SMBIOS) table contents in a human-readable format. The output contains a description of the system’s hardware components, as well as other useful pieces of information such as serial numbers and BIOS revision. This command works under […]

This tutorial details installation of eAccelerator on Ubuntu 8.04 (Hardy Heron) and most Debian systems.
“eAccelerator is a free open-source PHP accelerator, optimizer, and dynamic content cache. It increases the performance of PHP scripts by caching them in their compiled state, so that the overhead of compiling is almost completely eliminated. It also optimizes scripts to […]

Complex PHP applications, such as Drupal, can gain a lot of performance benefits from running a PHP op-code cache/accelerators.
APC,
Alternate PHP Cache, is now the most maintained free/open source op-code cache, and is being used more and more as it emerges to be the
most stable.
The instructions here detail how to get APC running on a CentOS […]

Complex PHP applications, such as Drupal, can gain a lot of performance benefits from running a PHP op-code cache/accelerators.
APC, Alternate PHP Cache, is now the most maintained free/open source op-code cache, and is being used more and more as it emerges to be the most stable.
The instructions here detail how to get APC running on […]

Edit configuration files stored in /etc/sysconfig/network-scripts/
You can configure network card by editing text files stored in /etc/sysconfig/network-scripts/ directory. First change directory to /etc/sysconfig/network-scripts/:
# cd /etc/sysconfig/network-scripts/
You need to edit / create files as follows:
* /etc/sysconfig/network-scripts/ifcfg-eth0 : First Ethernet card configuration file
* /etc/sysconfig/network-scripts/ifcfg-eth1 : Second Ethernet card configuration file
To edit/create first NIC file, type command:
# vi ifcfg-eth0
Append/modify […]

Introduction
As an operating system that has gained a strong market share in the server environment, firewall applications have always been important to Linux, and Linux kernels have had packet filtering since the 1.1 series.
In 1994, Alan Cox created ipfwadm, the first firewall for Linux, which was based on ipfw from BSD and was enhanced for […]

#vipw
Edit or no Edit path of Home directory & save
#vi /usr/local/etc/proftpd.conf
find line :
[…]
#DefaultRoot ~
[…]
uncomment # to
[…]
DefaultRoot ~
[…]
save file
Restart FTP deamon
/usr/local/etc/rc.d/proftpd retstart

If you forgot you password for your ubuntu system you can recover using the following stepsTurn your computer on.
Press ESC at the grub prompt.
Press e for edit.
Highlight the line that begins kernel ………, press e
Go to the very end of the line, add rw init=/bin/bash
press enter, then press b to boot your system.
Your system will […]

Some time you might find some applications are having only .rpm files but you want a .deb package for your debian,Ubuntu and other debian derived ditributions.If you can’t find .deb debian package in any of the debian,ubuntu repositories or elsewhere, you can use the alien package converter to install the .rpm file.Alien is a program […]