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I know there are other questions on this but I can't find a resolution.

I've installed Memcached on a server running Ubuntu and I'm trying to use it.

I've attempted to start it using:

$ memcached -d -p 11211

I cannot access it using the PHP client from scripts or from Telnet o server 11211

Port 11211 is forwarded from the router.

What do I need to do to get it to work?

Edit: I've since enabled ufw and added the ports to be allowed with no difference made to the result.

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1 Answer 1

up vote 1 down vote accepted

Check memcached process:

$ ps aux | grep -E "[m]emcached"
hiemye     921  0.0  0.3  44040   868 ?        Ssl  12:31   0:00 memcached -d -p 11211

Check listen address:

$ lsof -np `pgrep memcached`
COMMAND   PID   USER   FD   TYPE     DEVICE SIZE/OFF   NODE NAME
memcached 921 hiemye   26u  IPv4       4449      0t0    TCP *:11211 (LISTEN)
memcached 921 hiemye   27u  IPv6       4450      0t0    TCP *:11211 (LISTEN)
memcached 921 hiemye   28u  IPv4       4453      0t0    UDP *:11211 
memcached 921 hiemye   29u  IPv6       4454      0t0    UDP *:11211

Add allow ufw rules:

ufw allow in proto tcp from 192.168.0.2/32 to 192.168.0.1/32 port 11211
192.168.0.2 - client ip
192.168.0.1 - server ip
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It doesn't appear to be on properly. Is it not working because I'm trying to access it over a network rather than from php sat on the same server? –  user34542 Dec 8 '10 at 15:05

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