In my local development Ubuntu box I use MySQL and phpmyadmin to work with the database.
Whenever phpmyadmin is idle for 1440 secs (24min) the session expires. I lose m
For Ubuntu 18.04 I just edited the file /usr/share/phpmyadmin/libraries/config.default.php
/usr/share/phpmyadmin/libraries/config.default.php
Change: $cfg['LoginCookieValidity'] = 1440
$cfg['LoginCookieValidity'] = 1440