Faster Boot Time Ubuntu 12.04

1)Remove unwanted Startup Application
(most of info recomend this)
make hidden startup applications visible in the manager
sudo sed -i ‘s/NoDisplay=true/NoDisplay=false/g’ /etc/xdg/autostart/*.desktop
Click the Start Menu.
Click Startup Applications...
Uncheck any unwanted application  


2)Speed Up Ubuntu Booting Time via Grub
(Source = Ubuntubuzz)
here's to do it, open your grub configuration file (/etc/default/grub) and find this line GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash”, do as follows :

sudo gedit /etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash profile”
save and exit

sudo update-grub2
sudo reboot

Grub does a search for all the necessary drivers to load, Instead of making Grub search for required drivers, the profiling actually makes Grub remember every necessary driver to work, This action will cutting down all of the driver load times.

after your system up, edit /etc/default/grub and remove some option  which we have added before.

sudo gedit /etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash profile”
save and exit
sudo update-grub2

3)Disabling Hibernation Option
To disable Hibernation menu type this command:
 sudo gedit /etc/initramfs-tools/conf.d/resume
it will open the editor. Disable hibernation by adding hastag (#) before the line. See this sample:

Close and save the editor. Hibernation is disabled.

4) Disabling Grub Menu
Disabling grub menu will speed up your computer. You have to set grub time out value as 0. Type this command on Your terminal:

sudo gedit /etc/default/grub

when the editor opened, set GRUB_TIMEOUT value as 0.  Close and save.

Adjust Your Swappiness 

First, chek your swappinnes. The default value is 60. check it using this command:
cat /proc/sys/vm/swappiness
open your editor and edit the value. try this command to edit:
sudo gedit /etc/sysctl.conf 
add this line to into the file:

That's it. Good luck.

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