Archive for February, 2010:
Cannot reattach screen session
Some time you get error when you try to reattach with your screen session after you disconnected. So here are some tricks.
To see existing screen sessions
# screen -list
Installing screen on CentOS 5.x
Screen … It let you have multiple virtual windows in one physical terminal session, and very necessary to use if you are compiling remotely and your internet connection is not reliable.
1) Download latest RPM
http://www.rpmfind.net/linux/rpm2html/search.php?query=screen
Installing & configuring shorewall firewall in Ubuntu/Debian
Shore line firewall known as “Shorewall”, it is a very high level firewall and very easy to install and ocnfigure
How to install :-
sudo apt-get install shorewall
Easy way to optimize apache,php & MySQL
There are 2 important scripts to optimize apache,php and mysql very easily. They are
MySQLTuner (Perl) and MySQL Performance Tuning Primer (shell)
They can help diagnose MySQL database performance issues, and provide recommendations on how to solve them.
More »
php 5.3 is now available in cpanel’s easyapache
Cpanel has released php 5.3 in easyapache but there are several features which are missing in php 5.3.
Like php 5.3 does not support Zend. However PHP 5.3.1 introduces namespaces, late static binding, decreased memory usage (YMMV), several new extensions, and improved MySQL support. Be sure to check your scripts for compatibility before going live with PHP 5.3.1 on a production server. Some scripts will be affected by some of the changes, so testing is extremely important.
More information can be found at