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Thread: Moving location of applications
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Moving location of applications
I am playing with debian & ubuntu at the moment (which I am loving).
I am wondering how I can change the location of applications. For example, if I want to move Firefox and/or the whole X system to another partition or drive and then run it from there (eg, a RAID array /dev/md1).
I am looking at the prospect of increasing response time for certain apps.
Can this be done?
Thanks in advance
- Join Date
- Nov 2007
That can be done although it would only speed up the loading of the program and not execution speed of the program once it is running.
To do what you are asking, I suggest copying the entire contents of the /usr directory to the other drive and then editing /etc/fstab to mount the other drive on /usr. This will move almost all of your applications to the faster drive which should actually be simpler to do and maintain then just moving some of them.
The actual steps for doing this are a little more involved. A simple skeleton of the steps is given below to get you started.
You will first need to mount the RAID array on some directory (let's say /mnt/tempusr),
$mkdir -755 /mnt/tempusr $mount /dev/md1 /mnt/tempusr
(Note that I am assuming /dev/md1 is already formatted but empty. If this is not the case then the steps I am suggesting are not right for your situation).
$cp -pr /usr/* /mnt/tempusr
$rsync -aHS /usr/ /mnt/tempusr
$mv /usr /usr-old
$cp /etc/fstab /etc/fstab.backup
/dev/md1 /usr ext4 defaults 1 2
Awesome, I'll give that a try.
And yes, I am aware this will only affect load times and not actual application speed.