SUNScholar/Install Ubuntu/S01

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Step 1. Requirements

Software

We use the LTS versions of Ubuntu for our servers. For more information about the Ubuntu LTS server go to:

http://www.ubuntu.sun.ac.za/wiki/index.php/Enterprise_Server_Management

The server installation CD can be downloaded from:

ftp://ftp.sun.ac.za/iso-images/ubuntulinux/10.04/ubuntu-10.04.4-server-amd64.iso

Burn the above ISO image to a blank CD. Do not copy it as data, it MUST be burned as an ISO image !

If you have problems burning your own CD, then please ask your IT support people to help you.

Hardware

At the moment we use a DELL R710 server. With the following specifications:

  • 2x Intel E5650 64 bit = 12 real CPU's and 24 virtual CPU's
  • 12GB 1333Hz RAM
  • 400GB RAID5 disk array using 10K RPM disks
  • 4x 100MB Ethernet ports

Partition Sizing

The following partition scheme is reccomended.

/

ROOT partition, where all the system software is installed

10GB Minimum - 20GB preferred

n/a

SWAP partition

2x installed RAM

/var

VAR partition, where all the log files and database files are installed

10GB Minimum - 20GB preferred. This depends on how big your database index files get.

/home

HOME partition, where all the DSpace software files and bitstreams are stored

All the rest of the total disk capacity.

Sunscholar-disk-usage-year.png

Looks like we have enough disk space for the next 3yrs at least at our current rate of submissions.

Sunscholar-cpu-year.png

We have more than enough compute muscle.

Sunscholar-memory-year.png

Our memory usage stabilised when we stopped using the JSPUI and started using "authbind" for Tomcat.

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