Error: apt - E: Dynamic MMap ran out of room

You get an error like this one when running:

apt-get update

E: Dynamic MMap ran out of room

Solution

Open /etc/apt/apt.conf...

vi /etc/apt/apt.conf

... and put the following line into it:

APT::Cache-Limit "100000000";

Then run

apt-get update

to update the package database.