LXDE 'upgrades' in Knoppix 6.2.1 Using Synaptic

[Werner P. Schulz]

... if you don't have '/etc/apt/apt.conf' make a copy of '/usr/share/doc/apt/examples/apt.conf'

At the end of '/etc/apt/apt.conf' write this line

APT::Cache-Limit "50000000";