memcached running, but refusing connections

[Alexander]

I tried with and without UFW (disabled/enabled), I ran /etc/init.d/memcached status: 

● memcached.service - memcached daemon

   Loaded: loaded (/lib/systemd/system/memcached.service; enabled; vendor preset: enabled)

   Active: active (running) since Mon 2020-05-11 22:14:15 UTC; 11min ago

     Docs: man:memcached(1)

 Main PID: 845 (memcached)

    Tasks: 10 (limit: 2361)

   CGroup: /system.slice/memcached.service

           └─845 /usr/bin/memcached -m 64 -p 11211 -u www-data -l 127.0.0.1 -P /var/run/memcached/memcached.pid -s /v…id

May 11 22:14:15 atlantsecurity systemd[1]: Started memcached daemon.

May 11 22:14:16 atlantsecurity systemd-memcached-wrapper[845]: Could not open the pid file /var/run/memcached/memc…enied

Hint: Some lines were ellipsized, use -l to show in full.

telnet localhost 11211: returns: 

telnet: Unable to connect to remote host: Connection refused

After a lot of troubleshooting, I figured that if I commented these lines  in /etc/memcached.conf, it starts just fine on reboot:

# Use a pidfile

#-P /var/run/memcached/memcached.pid

#-s /var/www/memcached.sock

#-a 0770

#-p /tmp/memcached.pid

do you have an idea why these options prevent it from starting? 

[dormando]

It says it can't write the pid file, so it's probably failing to start
there.

Try starting it manually with those options and fix it until it works?

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