How to Install php-mcrypt on CentOS 6.3

mcrypt exension for PHP is necessary if we want to use cookie based authentication with phpymyadmin. In default CentOS 6.3 yum repository or in CentOS 6.3 installation CD/DVD, php-mcrypt exension are not included. To install php-mcrypt on CentOS 6.3, we have to use third party yum repository. Follow this steps :

1. Download epel repository :

[root@centos62 ~]# wget http://dl.fedoraproject.org/pub/epel/6/i386/epel-release-6-7.noarch.rpm
[root@centos62 ~]# wget http://ftp.riken.jp/Linux/fedora/epel/RPM-GPG-KEY-EPEL-6

2. Install epel repository :

[root@centos62 ~]# rpm --import RPM-GPG-KEY-EPEL-6
[root@centos62 ~]# rpm -i epel-release-6-7.noarch.rpm

3. Simply run the following command to install php-mcrypt :

[root@centos63 ~]# yum install php-mcrypt -y
Loaded plugins: fastestmirror, presto
Loading mirror speeds from cached hostfile
 * base: mirror1.ku.ac.th
 * epel: mirrors.ispros.com.bd
 * extras: mirror.issp.co.th
 * updates: mirror1.ku.ac.th
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package php-mcrypt.i686 0:5.3.3-1.el6 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

====================================================================================================
 Package                   Arch                Version                    Repository           Size
====================================================================================================
Installing:
 php-mcrypt                i686                5.3.3-1.el6                epel                 18 k

Transaction Summary
====================================================================================================
Install       1 Package(s)

Total download size: 18 k
Installed size: 38 k
Downloading Packages:
Setting up and reading Presto delta metadata
Processing delta metadata
Package(s) data still to download: 18 k
php-mcrypt-5.3.3-1.el6.i686.rpm                                              |  18 kB     00:00
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing : php-mcrypt-5.3.3-1.el6.i686                                                      1/1
  Verifying  : php-mcrypt-5.3.3-1.el6.i686                                                      1/1

Installed:
  php-mcrypt.i686 0:5.3.3-1.el6

Complete!

How to Install php-mcrypt on CentOS 6.2

Symptoms :
This error appeared when i try to use phpmyadmin on authentication type as cookie. mcrypt is necessary if you want to use cookie based authentication with phpymyadmin.

The mcrypt exension is missing. Please check your PHP configuration.

mcrypt

To install php-mcrypt on CentOS 6.2, follow the following steps :

1. Download epel repository :

[root@centos62 ~]# [root@centos62 ~]# wget http://dl.fedoraproject.org/pub/epel/6/i386/epel-release-6-5.noarch.rpm
[root@centos62 ~]# wget http://ftp.riken.jp/Linux/fedora/epel/RPM-GPG-KEY-EPEL-6

2. Install epel repository :

[root@centos62 ~]# rpm --import RPM-GPG-KEY-EPEL-6
[root@centos62 ~]# rpm -i epel-release-6-5.noarch.rpm

3. Simply run the following command to install php-mcrypt :

[root@centos62 ~]# yum install php-mcrypt -y
Loaded plugins: fastestmirror
Determining fastest mirrors
epel/metalink                                                                | 4.0 kB     00:00
 * base: centos.maulvi.net
 * epel: mirror01.idc.hinet.net
 * extras: centos.maulvi.net
 * rpmforge: fr2.rpmfind.net
 * updates: centos.maulvi.net
CentOS6.2-Repository                                                         | 4.0 kB     00:00 ...
CentOS6.2-Repository/primary_db                                              | 3.5 MB     00:00 ...
base                                                                         | 3.7 kB     00:00
base/primary_db                                                              | 3.5 MB     00:33
epel                                                                         | 4.3 kB     00:00
epel/primary_db                                                              | 3.5 MB     00:40
extras                                                                       | 3.5 kB     00:00
extras/primary_db                                                            | 6.4 kB     00:00
rpmforge                                                                     | 1.1 kB     00:00
rpmforge/primary                                                             | 1.5 MB     00:21
rpmforge                                                                                  4248/4248
updates                                                                      | 3.5 kB     00:00
updates/primary_db                                                           | 1.1 MB     00:13
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package php-mcrypt.i686 0:5.3.3-1.el6 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

====================================================================================================
 Package                   Arch                Version                    Repository           Size
====================================================================================================
Installing:
 php-mcrypt                i686                5.3.3-1.el6                epel                 18 k

Transaction Summary
====================================================================================================
Install       1 Package(s)

Total download size: 18 k
Installed size: 38 k
Downloading Packages:
php-mcrypt-5.3.3-1.el6.i686.rpm                                              |  18 kB     00:00
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Warning: RPMDB altered outside of yum.
  Installing : php-mcrypt-5.3.3-1.el6.i686                                                      1/1

Installed:
  php-mcrypt.i686 0:5.3.3-1.el6

Complete!