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i install ubuntu server 10.04, have 64 Gb VHD.

And want to separate partitions in this mode:

/dev/xvda0 p on swap (2 Gb)
/dev/xvda1a0 e on /boot (128 Mb)
/dev/xvda1a1 e on / type ffs (local)
/dev/xvda1a2 e on /usr type ffs (local, nodev)
/dev/xvda1a3 e on /tmp type ffs (local, nodev)
/dev/xvda1a4 e on /var/log type ffs (local, nodev)
/dev/xvda1a5 e on /var type ffs (local, nodev, nosuid)
/dev/xvda1a6 e on /home type ffs (local, nodev, nosuid, with quotas)
/dev/xvda2 p on /new (local, nodev, nosuid, noexec) with rest of space ~50Gb.

But i'ma stuck, and don't know what size to give to each folder.

Also i want to encrypt partitions.

Thank you for any tips.

EDIT: System need minimum size, here will be installed about 10 apps like ufw, apache,mysql, chkrootkit and so on.

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Was any of the answers useful for you? If so, please mark one as an answer. –  Anders Sep 8 '13 at 1:12

2 Answers 2

up vote 5 down vote accepted

First, I would put all space, except /boot, in a LVM2 volume. That's because it makes it so much easier to adjust partition size later, even on live systems and modern file systems.

Then I would make root small about 1GB, /usr about 6GB, /var about 2GB, /boot about 250 MB, swap same size as RAM, /var/log, /home and /srv large enough. It can be adjusted later.

I would not used all unallocated space now, as that could later be used to expand the other partitions, as I'm using LVM2. I could even add new paritions like /tmp, but that is a bit more complicated. I never use anything but LVM2 anymore. With that, I can even move the installation to RAID disks in less than 30 minutes, including creating and copy files and all.

For more information about LVM2, read this: http://www.debian-administration.org/articles/410

Yes, about encryptions, please have a look at Luks support:

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1  
Shouldn't SWAP be a bit bigger than RAM?(Then again, I'm a hypocrite, as I use 256MB swap on 4GB RAM) –  hexafraction Jun 6 '12 at 20:18
    
Swap shoul be as large as you need it to be, not larger. :) How large that is depends on what you run in your machine and how much RAM you got. There are recommendations about RAM to 2*RAM. But there are people that run perfectly well without any swap to. But I wouldn't recommend that unless you know what you do. And then you wouldn't ask here, would you? :) –  Anders Jun 6 '12 at 20:37
1  
Yes, if you want to hibernate your system, you'll need swap to be a bit larger than your RAM. –  gerlos Mar 4 at 9:25
    
@Anders I found this while searching for clues on LVM setup. Do you mean I don't need to set up RAID from scratch when I use LVM? How about this set up: I got server with 2 hard drives, the system is installed on /dev/sda, /dev/sdb is unused. LVM is not in use, AFAICT. Can I migrate to using LVM and RAID 1? Or should I reinstall from scratch? But then again, can I? (the machine is a server hosted by Leaseweb, I can reinstall different OS'es from their control panel, and even choose non-default options like partition layout, but I'm not sure how (if at all) can I instruct it to use LVM/RAID) –  Nickolai Leschov Mar 24 at 13:40
    
@Nickolai, Preferably, set up RAID with BOOT on mirror RAID on all and then rest as you like (RAID5 if 3 or more disks, RAID6 on 4 or more) and make LVM on that other part. If already installed with LVM, I would do this: Clean one disk of data, pref. the one not booting from. Make a BOOT mirror RAID (where the second disk is none) and a mirror RAID (since only two disks) of the rest. I would then make the second RAID a physical disk and add to the vg. After that transfer all data from the old disk in vg and then remove from the vg. After that make and add the first disk to RAID. Finished! –  Anders Mar 25 at 2:20

There is no correct or wrong answer,personally i would make a 12GB partition for my Ubuntu installation containing:

-> 6GB for root
-> 2GB for swap
-> 4GB for home 
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