“...I've been working since 2008 with Ruby / Ruby on Rails, love a bit of Elixir / Phoenix and learning Rust. I also poke through other people's code and make PRs for OpenSource Ruby projects that sometimes make it. Currently working for InPay...”

Rob Lacey (contact@robl.me)
Senior Software Engineer, Brighton, UK

Disable startup items in Debian / Ubuntu

Needed to get rid of PostegreSQL on start up. That’s freeing up 8Mb of memory….its better than nothing.

rails@cool-server-name-001:~$ sudo update-rc.d -f postgresql-8.3 remove
 Removing any system startup links for /etc/init.d/postgresql-8.3 ...
   /etc/rc0.d/K21postgresql-8.3
   /etc/rc1.d/K21postgresql-8.3
   /etc/rc3.d/S19postgresql-8.3
   /etc/rc4.d/S19postgresql-8.3
   /etc/rc5.d/S19postgresql-8.3
   /etc/rc6.d/K21postgresql-8.3