This simple plugin will prevent admin session expiration, so you will never be logged out when you don’t want it to happen.

Note: You still need to login!

Compatibility: Joomla 1.5, Joomla 1.6, Joomla 1.7

Download:

For Joomla 1.5:  plg_admin8_j15_v0.9.2

For Joomla 1.6 & 1.7: plg_admin8_j16_j17_v0.9.2