Installing Memcached in the updated ISPmanager5 design

Memcached is a software that implements a RAM caching service based on a hash table.

You can also install this application at one-click checkout Detailed description of this One-Click-Apps.

Memcached is a server that stores some data in RAM with a specified lifetime. The data is accessed by a key (name). You can think of Memcached as a hash table stored on the server. It's mostly used to cache web page code, database query results, etc.

Go to "Web Server Settings → PHP "

Highlight the correct version of PHP and click Advanced

In the list that opens, select memcache or memcached, highlight it, and click Install

CentOS

Installation:

yum install memcached.x86_64 php-pecl-memcache.x86_64

Edit the configuration file /etc/sysconfig/memcached:

* PORT="11211"
* USER="memcached"
* MAXCONN="2048"
* CACHESIZE="4096"
* OPTIONS="-l 127.0.0.1" - listens to localhost

Add it to the autostart and run it:

chkconfig memcached on
/etc/init.d/memcached start

Restart Apache:

/etc/init.d/httpd restart

Check that the daemon is loaded:

php -m | grep memcache
memcache

Debian

Find the memcached package from the repository:

aptitude search memcache

Installing:

apt-get install memcached php5-memcache

Check that memcached works:

memcached -u www-data -vv

If there is a similar output:

slab class 1: chunk size 80 perslab 13107
slab class 2: chunk size 104 perslab 10082
slab class 3: chunk size 136 perslab 7710
slab class 4: chunk size 176 perslab 5957
slab class 5: chunk size 224 perslab 4681
... skip ...
<28 server listening (udp)
<27 server listening (udp)
<28 server listening (udp)

If not:

ldconfig -v
killall memcached
/etc/init.d/memcached start

Perform an Apache reboot:

/etc/init.d/apache2 restart

Check that the module is loaded:

php -m | grep memcache
memcache

Ubuntu

Update the list of packages:

apt-get update

Install the extension and the daemon:

apt-get install memcached php5-memcache

Restart Memcached and Apache services:

/etc/init.d/memcached restart
/etc/init.d/apache2 restart

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If you have configuration difficulties or have further questions, you can always contact our support team via ticket system.