Linux looking for a file by date

If you are looking for a file by date you can use

touch -d "13 may 2001 17:54:19" date_marker
find . -newer date_marker 

Installing Postgres in Rails

Install PostgreSQL:

sudo aptitude install postgresql-8.2 postgresql-client-8.2 postgresql-client-common postgresql-common postgresql-doc-8.2

Install ruby based postgres

sudo gem install postgres-pr

Install native postgres

sudo aptitude install ruby1.8-dev libpq-dev
POSTGRES_INCLUDE=/usr/include/postgresql sudo gem install postgres

Mounting Network driver on Mac

To mount a network on my Mac I used a combination of Macfuse, SSHFS and Macfusion.

First installed Macfuse:
http://code.google.com/p/macfuse/

then install SSHFS
http://fuse.sourceforge.net/sshfs.html

Last install MacFustion
http://www.macfusionapp.org/

then just mount your driver

Changing A Debian Package

Unpack it.
dpkg-deb -x name.deb dir

Get conf files
dpkg-deb --control name.deb dir/DEBIAN

Edit
vi dir/DEBIAN/control

Pack it again
dpkg -b dir edited.deb