Speed Debian boot time

Full and exellent article on Speeding Debian Boot (and more).

and here are the edited highlights..

Disclaimer: The standard: If you break it, then you broke it. So don't.

# aptitude install insserv

# echo 'CONCURRENCY=shell' >> /etc/default/rcS

# aptitude install readahead

# touch /etc/readahead/profile-once

reboot (first reboot takes time as it works stuff out) 

# aptitude install preload

in /etc/fstab change any

defaults,errors=remount-ro

to 

defaults,noatime,errors=remount-ro

and any 

defaults

to

defaults,noatime

should reboot to check all is well

# echo 'vm.swappiness=20' >> /etc/sysctl.conf

# echo 'vm.vfs_cache_pressure=50' >> /etc/sysctl.conf

reboot

 

Go and read the full article to see what all that means ;)