Ubuntu Discussion on Ubuntu on the Dell Inspiron Mini range of netbooks.
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Join Date: Apr 2009
Ubuntu performance boost and longer battery life - 01-15-2010, 05:56 PM
Been covered a few times but I added a few extras. On my mini with Linux Mint (an Ubuntu derivative), browsing was slow and I was not happy with hulu or the cooliris plug-in. I thought that I was just limited by the linux intel video drivers and flash being too tough for the system BUT
I was reading a Mint on Asus netbook review with notes and I followed the suggestions and now hulu plays well and cooliris flys and the system is running snappier and I guess OpenOffice runs better, I don't use it as much. You also get longer battery life but that isn't a big deal on my mini. I'm doing this to all my systems. Here's the link
fewt@blog:~$ _: A netbook users review of Linux Mint 8
I wrote up some notes that I cut and paste from a couple of websites (most from articles in the above site, has a lot of good articles) I put them in order from easiest to toughest, they involve using a terminal and editing system files. Anyone that does this, leave a comment
OOo. Select Tools -> Options. Select Memory.
Number Of Steps: 20
Use for OpenOffice.org: 128
Memory Per Object: 20
Number Of Objects: 20
Enable Quickstarter: Checked
Use a JRE: Checked (Alternately, Uncheck if you do not have Sun Java installed)
Select the radio button of the appropriate Java Engine if needed.
install powertop from repositories, run
and accept suggestions (it's click the letter to accept)
#make a ramdisk and point firefox at it
[sudo gedit /etc/fstab
# Locate the HD you want to optimize
# Identify which parameter is currently in use. Possible values are atime, noatime, realtime.
# If applicable, change the value to noatime
# Add this to the end of the file
tmpfs /tmp tmpfs defaults,noatime,mode=1777 0 0
tmpfs /var/tmp tmpfs defaults,noatime,mode=1777 0 0
tmpfs /var/log tmpfs defaults,noatime,mode=1777 0 0
# To verify this, use the command
(I did this wrong) you should shut down sysklogd, and flush the contents of these directories and then run "mount -a" to mount them.
[sudo /etc/init.d/sysklogd stop
[sudo rm -rf /tmp/*
[sudo rm -rf /var/log/*
[sudo rm -rf /var/tmp/*
[sudo mount -a
[sudo /etc/init.d/sysklogd start
* Open Firefox.
* Type about:config in the search bar.
4. set it to '/tmp'
3. create new value (string)
* Select New > String from the popup menu.
* Add browser.cache.disk.parent_directory and press enter.
* Close Firefox.
#lower the kernel's use of swap by setting vm.swappiness=0,
[gksudo gedit /etc/sysctl.conf
#Search for vm.swappiness and change its value as desired. If vm.swappiness does not exist, add it to the end of the file:
#Save the file and reboot.
[sudo gedit /boot/grub/menu.lst
*add 'force-hpet' to the line
defoptions=quiet splash force-hpet
*save and exit.
(this one didn't work for me, grub moved)
[sudo gedit /etc/grub.conf
*add 'elevator=deadline to the line
example kernel /vmlinuz-2.6.18-8.el5 ro root=/dev/sda2 elevator=deadline
*save and exit.
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