Unless you're absolutely sure about what you're doing, you should stop now!
To install Memcached (the memcache server/daemon) on your server, SSH in to your server as the root user and run the following command:
sudo apt-get install memcached
Once installed, Memcached will listen on port 11211.
Using Memcache from PHP
To interact with the Memcached server from your PHP scripts, you need to install the PHP memcache client extension.
Memcached Statistics
You can view statistics for Memcached by running the following command (you may need to install the netcat package):
echo stats | nc 127.0.0.1 11211
The output of the above stats command will look like:
STAT pid 15669 STAT uptime 1757436 STAT time 1392693208 STAT version 1.4.13 STAT libevent 2.0.16-stable STAT pointer_size 64 STAT rusage_user 28.753797 STAT rusage_system 30.577911 STAT curr_connections 5 STAT total_connections 38 STAT connection_structures 6 ... END
Customizing Your Firewall for Memcached
The firewall configured by SellCloud will block all access to Memcached from outside of your server. If you need to have other servers access Memcached, you'll need to customize your firewall using a tool such as HeatShield.
Learn more about customizing your firewall.
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