What service is responsible for session authorized users?

Hi all, please tell me, what is responsible for session authorized users? I need to reset the session for all users, please tell me how can I do that? On the server is:

PHP-curl
Ioncube loader
nginx
MySQL
Memcached
libssh2
July 4th 19 at 23:00
2 answers
July 4th 19 at 23:02
how perverted option to specify a session cookie lifetime television short.
July 4th 19 at 23:04
ps-auxw | grep username kill -9 PID then the user

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