Before Install Joomla. See Appache Server, Appache Server and PHP and Mysql Sever.
[root@www ~]# service mysqld restart
[root@www ~]# service httpd restart
[root@www ~]# service vsftpd restart
[root@www ~]# service named restart
Before Install Joomla. See Appache Server, Appache Server and PHP and Mysql Sever.
[root@www ~]# service mysqld restart
[root@www ~]# service httpd restart
[root@www ~]# service vsftpd restart
[root@www ~]# service named restart
Sometime when we want to print screen then a pop-up window generate as shown below.

Simply restart the mysql service as shown below :
[root@www ~]# service mysqld restart
Stopping mysqld: [ OK ]
Starting mysqld: [ OK ]
[root@www ~]# chkconfig mysqld on

[root@www ~]# yum install blue*
Loaded plugins: refresh-packagekit, rhnplugin
This system is not registered with RHN.
RHN support will be disabled.
Setting up Install Process
When we install Something.
Example “yum istall package-name” then this type of warning generate.
Error Downloading Packages:
bind-dyndb-ldap-0.1.0-0.9.b.el6.x86_64: failure: Packages/bind-dyndb-ldap-0.1.0-0.9.b.el6.x86_64.rpm from InstallMedia: [Errno 256] No more mirrors to try.
32:bind-9.7.0-5.P2.el6.x86_64: failure: Packages/bind-9.7.0-5.P2.el6.x86_64.rpm from InstallMedia: [Errno 256] No more mirrors to try.
32:bind-chroot-9.7.0-5.P2.el6.x86_64: failure: Packages/bind-chroot-9.7.0-5.P2.el6.x86_64.rpm from InstallMedia: [Errno 256] No more mirrors to try.
How to solve this simple problem.
Download LIBREOFFICE and move to /opt directory
[root@www Desktop]# cd /opt
[root@www opt]# ls
LibO_3.5.5_Linux_x86-64_install-rpm_en-US.tar.gz
Download Google Chrome rpm from internet
[root@www ~]# rpm -ivh google-chrome-stable_current_x86_64.rpm
warning: google-chrome-stable_current_x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID 7fac5991: NOKEY
Preparing… ########################################### [100%]
1:google-chrome-stable ########################################### [100%]
Download firefox package and move it to /opt directory
[root@www ~]# cd /opt
[root@www opt]# ls
firefox-13.0.1.tar.bz2