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more ram

by Jörg Baach last modified Jan 27, 2011 10:20 AM
I need more ram for the t400

I ordered two 2gb modules for my laptop. Turns out I would have needed only one: the t400 comes with one 2gb preinstalled.

Next: it only shows 3gb instead of 4gb (on ubuntu).  Problem solved:

sudo apt-get install linux-generic-pae linux-headers-generic-pae

Next: how can I use a ramdisk - problem is that I need to copy e.g. my plone or bfg installation into that ramdisk, and need to then mount that to my old location.

 

mkdir -p /tmp/ram
sudo mount -t tmpfs -o size=512M tmpfs /tmp/ram/ mount --bind /tmp/ram /new/directory/path
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