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memcached_unix_socket [2018/01/17 22:10]
qtwrk [for Ubuntu 17.10, Ubuntu 16.04, Debian 8 and Debian 9]
memcached_unix_socket [2018/01/17 22:45]
qtwrk [for Ubuntu 14.04 and Debian 7]
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 +
 +=====Note=====
 Please use root privilege to the following instructions. Please use root privilege to the following instructions.
 +
 +If memcached failed to start , it is usually due to permission and user problem , please check the socket path is writable to designated user. 
 =====for Centos7.X===== =====for Centos7.X=====
  
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 2. Copy file service file <​code>​cp /​usr/​lib/​systemd/​system/​memcached.service /​etc/​systemd/​system/​memcached.service</​code>​ 2. Copy file service file <​code>​cp /​usr/​lib/​systemd/​system/​memcached.service /​etc/​systemd/​system/​memcached.service</​code>​
  
-3. Add following content to /​etc/​systemd/​system/​memcached.service ,after [Service], please change username to php user+3. Add following content to /​etc/​systemd/​system/​memcached.service ,after [Service], please change username to the same user that runs PHP
 <​code>​User=username <​code>​User=username
 Group=username Group=username
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 2. Edit /​etc/​sysconfig/​memcached 2. Edit /​etc/​sysconfig/​memcached
 change <​code>​OPTIONS=""</​code>​ to <​code>​OPTIONS="​-s /​path/​to/​memcached.sock -a 0770"</​code>​ change <​code>​OPTIONS=""</​code>​ to <​code>​OPTIONS="​-s /​path/​to/​memcached.sock -a 0770"</​code>​
-change <​code>​USER=""</​code>​ to <​code>​USER="​username"</​code>​ the same user runs php+change <​code>​USER=""</​code>​ to <​code>​USER="​username"</​code>​the same user that runs PHP
  
 3. Start memcached <​code>​service memcached start</​code>​ 3. Start memcached <​code>​service memcached start</​code>​
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 <​code>​-s /​path/​to/​memcached.sock <​code>​-s /​path/​to/​memcached.sock
 -a 0770</​code>​ -a 0770</​code>​
-and change <​code>​-u </​code>​ to <​code>​-u username</​code>​ +and change <​code>​-u ​memcache</​code>​ to <​code>​-u username</​code>​ 
-a username ​that runs PHP.+the same user that runs PHP
  
  
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 2. Edit <​code>/​etc/​memcached.conf</​code>​comment out host and port , add socket path and permission. 2. Edit <​code>/​etc/​memcached.conf</​code>​comment out host and port , add socket path and permission.
-<​code>​-s /tmp/​memcached.sock +<​code>​-s /path/to/​memcached.sock 
--a 755</​code>​ +-a 0770</​code>​ 
-Add additional line on Ubuntu 14.04 +and change ​<​code>​-u ​memcache</​code> ​to <​code>​-u username</​code>​ 
-<​code>​-u ​root</​code>​ +the same user that runs PHP
- +
-{{ :​litespeed_wiki:​cache:​lscwp:​configuration:​mem-socket-ubuntu1.png?​direct |}}+
  
 3. Start memcached again <​code>​service memcached start</​code>​ 3. Start memcached again <​code>​service memcached start</​code>​
  
 4. Check if everything goes well. 4. Check if everything goes well.
-<​code>​nc -U /tmp/​memcached.sock</​code>​+<​code>​nc -U /path/to/​memcached.sock</​code>​
 and then type <​code>​stats</​code>​ and then type <​code>​stats</​code>​
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-======FAQ====== 
- 
-If memcached failed to start , it usually due to permission and user problem , please check the socket path is writable to user designated. ​ 
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-sources: 
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-https://​www.orangecoat.com/​how-to/​run-memcached-as-a-socket-under-systemd-in-centos-or-rhel-7 
- 
-https://​chirale.org/​2015/​09/​04/​installing-and-configure-memcache-on-centos-7/​ 
- 
-https://​guides.wp-bullet.com/​install-latest-memcached-object-cache-wordpress-php5-debian/​ 
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  • Last modified: 2018/01/18 15:56
  • by Lisa Clarke