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Thread: Low memory issues

  1. #1
    Join Date
    Mar 2011
    Beans
    4

    Low memory issues

    Hello All,

    Complete Ubuntu newbie here. I installed Ubuntu 10.10 a week ago and was blown away.
    I used a live cd to install. I currently have a dual boot setup with xp (pre-existing) and ubuntu.

    Today when I logged in I kept getting constant messages reminding me of very low space. I searched around a bit and as suggested on some forums tried the df -h. the output

    Filesystem Size Used Avail Use% Mounted on
    /dev/sda6 2.6G 2.5G 924K 100% /
    none 495M 256K 494M 1% /dev
    none 500M 368K 500M 1% /dev/shm
    none 500M 92K 500M 1% /var/run
    none 500M 0 500M 0% /var/lock
    /dev/sda3 7.8G 2.1G 5.4G 28% /media/de8551f4-0888-4940-a17c-b6311994fd9b

    And I have no clue where to proceed from here//what to do. Suggestions/help will be greatly appreciated.

    Thank You

  2. #2
    Join Date
    Dec 2010
    Location
    Something witty.
    Beans
    204
    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: Low memory issues

    You're getting the alerts because / (your root partition, the one where all your system files reside) is 100% full. This is a bad thing.

    Using gparted (which is on the Ubuntu Live CD) will be your best bet for fixing it. Boot off the live CD again, and run gparted. There are options to grow/shrink partitions, but it's not something you want to do unless you're sure of what you're doing (it's a safe procedure, but very easy to make mistakes if you don't pay attention). Google around for "growing a partition with gparted", and you should find some nice tutorials.

    If you have more questions or run into issues, post back and myself or someone else can help you out.

  3. #3
    Join Date
    Dec 2005
    Location
    Tucson, AZ
    Beans
    1,365

    Re: Low memory issues

    How big is that hard drive? Like mentioned earlier, 100% in use is not good no matter the OS. So you need need to expand the drive as blind2314 stated or start trimming what is there. With only 2.6GB dedicated you may what to opt for increasing available space.

  4. #4
    Join Date
    Mar 2011
    Beans
    4

    Re: Low memory issues

    hi ,

    i ran gparted off live cd and this is what it says


    https://lh4.googleusercontent.com/-c...Screenshot.jpg


    Can you please suggest how to proceed from here. I am a bit tensed as i dont want to mess with any of the NT partitions.

    [IMG]file:///home/ubuntu/Desktop/Screenshot.jpg[/IMG]

  5. #5
    Join Date
    May 2007
    Location
    Leeds, UK
    Beans
    1,664
    Distro
    Ubuntu 13.10 Saucy Salamander

    Re: Low memory issues

    If you want to claw back some space in the short term, you could:

    a. Empty your trash

    b. Empty the cache in Firefox

    c. Clean out any unused software packages

    Code:
    $ sudo apt-get update
    $ sudo apt-get autoremove
    (This may or may not remove packages).

    d. Clean out archived log files

    Code:
    $ cd /var/log
    $ sudo rm *.gz
    This won't delete current log files, only those that have been moved into archives.

    That might give you enough space to move, then you can go to Software Centre or Synpatic and perhaps remove some packages you don't need. If you don't use Open Office, that would be a big chunk gone.

    Generally speaking, aim for at least 6-8GB (excluding your own files) for an Ubuntu installation. If you are starting again, it's a really good idea to have a separate /home partition from your root partition so that you can upgrade more easily.

    https://help.ubuntu.com/community/HowtoPartition

  6. #6
    Join Date
    May 2007
    Location
    Leeds, UK
    Beans
    1,664
    Distro
    Ubuntu 13.10 Saucy Salamander

    Re: Low memory issues

    How much memory (RAM) is there in that machine buntu?

  7. #7
    Join Date
    Mar 2011
    Beans
    4

    Re: Low memory issues

    1 gb. is it ok if i delete /dev/sda3 (ext4,7.89 gb) from /dev/sda and reassign the empty space to sda 6 ?

  8. #8
    Join Date
    Jan 2008
    Location
    Kansas
    Beans
    545
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Low memory issues

    Quote Originally Posted by buntu2011 View Post
    1 gb. is it ok if i delete /dev/sda3 (ext4,7.89 gb) from /dev/sda and reassign the empty space to sda 6 ?
    You'll probably want to check what's saved in there, first. It looks like you have over 2 gigs of data there.

  9. #9
    Join Date
    Dec 2010
    Location
    Something witty.
    Beans
    204
    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: Low memory issues

    Quote Originally Posted by buntu2011 View Post
    1 gb. is it ok if i delete /dev/sda3 (ext4,7.89 gb) from /dev/sda and reassign the empty space to sda 6 ?

    Yes, that's fine. However, as mentioned, make sure you copy anything you want off of there first.

  10. #10
    Join Date
    Mar 2011
    Beans
    4

    Re: Low memory issues

    how do i go about reassigning the space gained by erasing/deleting /dev/sda3 (ext4,7.89 gb) to sda 6 ?

    Thank you all for your replies and help. Much appreciated.



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