To shutdown memcache daemon:
sudo service memcached stop
To start memcached daemon:
sudo service memcached start
Restart memcached server:
sudo service memcached restart
You can see if Memcache is currently runing:
sudo ps -e | grep memcached
And you can check the TCP or UDP ports if something (e.g. Memcache) is listening to it:
netstat -ap | grep TheChosenPort#
netstat -ap | grep 11211
For some Linuxes you need to change your commands like:
sudo /etc/init.d/memcached start
sudo /etc/init.d/memcached restart
sudo /etc/init.d/memcached stop