/var got really big
clifford_ilkay at dinamis.com
Thu Oct 16 22:38:24 UTC 2008
John Hubbard wrote:
> CLIFFORD ILKAY wrote:
>> John Hubbard wrote:
>>> I have a 1 day old install of ubuntu 8.04 server. My /var directory is
>>> pretty big. It seems that most of it is a collection of about 900MB of
>>> .debs in /var/cache/apt/archives. (I installed kde, gnome and xfce
>>> desktops) I usually won't worry too much but I installed /var on a
>>> separate 3GB partition and if it keeps growing it will run out of
>>> space. My laptop's /var is only 90MB which is what led me to think 3GB
>>> would be plenty of space. Do the files in the apt archive ever get
>>> cleaned out? Is it safe to delete them?
>> Others have suggested you clean the apt cache. Since you have more than
>> one machine, I'd suggest you do the opposite. Install and configure
>> apt-cacher on your server and import the packages that are in
>> /var/cache/apt/archives into your apt-cacher cache, which could be
>> wherever you want it to be, though the default is in
>> /var/cache/apt-cacher. Your laptop would then download from your local
>> apt-cacher cache rather than have to download the same packages as your
>> server from the Internet. It saves on bandwidth and makes the update
>> process faster. If a package exists in the cache, it will be used. If
>> not, it will be fetched from an on-line repository.
> How well would that work if my other machines are different operating
> systems? My laptop is still running gutsy because I had problems with
> hardy. It is a 32 bit machine. I am thinking about trying Intrepid on
> it since (I think) my broadcom wireless adapter is now supported without
> the need for ndiswrapper. One of my other machines is a mythbuntu
> machine (still in progress) that will run Intrepid but the 64 bit version.
apt-cacher handles differing versions quite well. If it finds foo.deb
for gutsy in your local cache, it uses it. If not, it fetches it from an
on-line repo. Same story for 32 vs. 64 bit. If you only have one Gutsy
machine, there is no advantage. The advantage to using apt-cacher is if
you have multiple machines using the same version, you only have to
download the packages once.
>> By the way, the problem you're having, that of running out of space on
>> /var, illustrates why using LVM (Logical Volume Manager) is a good idea.
>> LVM makes shrinking or expanding filesystems much easier. If your /var
>> and say, /home, are on logical volumes, assuming you have room to spare
>> on /home, you could shrink /home and expand /var, if you needed to. You
>> still have plenty of free space on /var so you don't have to worry for
>> now. If they're not on logical volumes, it's a bit more work but it's
>> still possible. I suppose you could even symlink /var/cache/apt to a
>> directory on another filesystem that has free space.
> I know that it is possible to use raid and LVM together but it also
> sounded really complicated. Maybe it would have been easier in the long
> run though. The machine is still young enough that it might make sense
> to reinstall again. Maybe I should just ask for more advice before
There isn't any appreciable difference in complexity. We use LVM on RAID
all the time in our hosting operation and it works quite well.
1419-3266 Yonge St.
Canada M4N 3P6
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