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--- memcached_unix_socket [2018/01/17 21:19]
qtwrk
+++ memcached_unix_socket [2018/01/17 22:45]
qtwrk [for Ubuntu 14.04 and Debian 7]
@@ Line 4: / Line 4: @@
-Please use root privilege to the following instructions, and SELinux needs to be disabled
+=====Note=====
+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=====
@@ Line 11: / Line 15: @@
 . Copy file service file <code>cp /usr/lib/systemd/system/memcached.service /etc/systemd/system/memcached.service</code>
-. Add following content to /etc/systemd/system/memcached.service ,after [Service], please change username to php user
+. Add following content to /etc/systemd/system/memcached.service ,after [Service], please change username to the same user that runs PHP
 <code>User=username
 Group=username
@@ Line 40: / Line 44: @@
 . Edit /etc/sysconfig/memcached
 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
-. Edit /etc/init.d/memcached
+. Start memcached <code>service memcached start</code>
-change <code></code>
+. Check if everything goes well.
-. Start memcached <code>service memcached start</code>
-. Check if everything goes well.
 <code>nc -U /path/to/memcached.sock</code>
 and then type <code>stats</code>
@@ Line 56: / Line 56: @@
 . 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>
+and change <code>-u memcache</code> to <code>-u username</code>
+the same user that runs PHP
-{{ :litespeed_wiki:cache:lscwp:configuration:mem-socket-ubuntu1.png?direct |}}
 . Start memcached again <code>systemctl start memcached</code>
 . 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>
@@ Line 73: / Line 75: @@
 . 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 |}}
 . Start memcached again <code>service memcached start</code>
 . 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>
-======FAQ======
-If memcached failed to start , it usually due to permission and user problem , please check the socket path is writable to user designated.
-sources:
-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/