Some times one can steal your images by directing URL on your site, it is called image hot linking. In this way others not only steal your images also use your bandwidth. You can stop this in your web servers running Apache’s htaccess file. Follow steps below to stop hot linking for your site
We are starting text search and replace here.
Many times Linux Administrators have to deal with large files. Some times conditions are critical e.g We have thousands of files where we want to replace a specific string like techbabu.com into techbabu.net in general conditions it may become hard to replace text in large number of files.
CentOS is the best Server distro for the people. Some people, like me, are frustrated at the fact that some software is slow to be updated out of a fresh install: specially PHP.
At the time of this writing, PHP 5.1.x is the version shipped with CentOS 5.4. But my team requires to write application on PHP 5.2.x, so i have to update PHP installation from PHP 5.1.x to PHP 5.2.x by adding additional repository as follows.
In this how-to I’ll guide you how to compile postfix with mysql & dovecot and I’ll also introduce a new tool named (PostfixMailAdmin) for managing postfix mysql users.
We all knows Postfix is fast, easy to administer, and secure. The outside has a definite Sendmail-ish flavor, but the inside is completely different.
Diskless client can be very useful for educational institutes, testing setups or the networks that have limited hardware resources available with them. Linux offers a robust diskless environment that can be configured on CentOS with ease.
Postfix is the mail transfer agent. It receives your mail and takes it into your correct mailbox after applying filters to your individual account. You pick up your mail via pop3 or imap etc.
Synergy allows us to use single keyboard and mouse with multiple computers. For this purpose it requires that all the computers are connected to each other via TCP/IP networking.
We have to install the Synergy on all computers which will be used for this purpose.
Whenever you want to keep track all of your network activity, you can use handy utilities like nmap and ndiff.
nmap takes snapshot of your network in different formats and ndiff tells difference or change in networked machines between specific time.
Linux media server for music allows users to save space on their PCs. The Firefly Media Server (previously called mt-daap) is fast DAAP server which is easy to install and configure. Firefly needs a simple Linux machine which in our case is Ubuntu Server.
Text processing in Linux can be done using sed, cut, grep commands and with vi editor. We can find and replace a string, find and delete string etc.
