How to install Memcached on CentOS 6.x

fwh

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Dec 8, 2012
Messages
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1. Install repo

Check your OS version
Read more guides here: https://forumweb.hosting/13638-how-to-check-centos-version.html

After check OS version, you can choose one of Repo as follows to install Memcached on your hosting

Code:
[B]#Centos 5.x_86[/B]

rpm -Uvh http://download.fedoraproject.org/pub/epel/5/i386/epel-release-5-4.noarch.rpm

[B]#Centos 5.x_x86_x64[/B]

rpm -Uvh http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el5.rf.x86_64.rpm

[B]#Centos 6.x_86[/B]

rpm -Uvh http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm 
[B]
#Centos 6.x_x86_64[/B]

rpm -Uvh http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el6.rf.x86_64.rpm
2. Install memcached
Code:
yum install memcached -y

3. Configure memcached

Using the command

Code:
/etc/sysconfig/memcached
For example:

Code:
PORT="11211"
USER="memcached"
MAXCONN="10024"
CACHESIZE="128"
OPTIONS="-1 127.0.0.1"
PORT : memcached uses port 1121

MAXCONN : maximum connections to your server

CACHESIZE : How much MB of ram for storing cache files

4. Restart memcached and auto start when booting your server

Code:
/etc/init.d/memcached start
/etc/init.d/memcached stop

chkconfig --levels 235 memcached on
5. Check memcached status

Code:
netstat -tulpn | grep :11211
For example, you should see these

Code:
[root@server /]# netstat -tulpn | grep :11211
tcp        0      0 0.0.0.0:11211               0.0.0.0:*                   LISTEN      12314/memcached
tcp        0      0 :::11211                    :::*                        LISTEN      12314/memcached
udp        0      0 0.0.0.0:11211               0.0.0.0:*                               12314/memcached
udp        0      0 :::11211                    :::*                                    12314/memcached
 
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