1.Open up
config.inc.php
in the root phpMyAdmin directory2. Add this code anywhere on the document:
$cfg['LoginCookieValidity'] = ;
Where
is some number larger than 1800. For example, 28800 works out to be 8 hours.Disclaimer! It should go without saying that increasing the timeout is a (comparatively minor) security risk (but a risk nonetheless). Obviously, do not do this on your production server. And as always, proceed with caution.