Centos 4.4 Settings

SCore 6.0 Cluster Development DVD, called SCore DVD in short, has all CentOS4.4 distribution images. You may install CentOS4.4 using the SCore DVD.

In the case of CentOS4.4 installation using the SCore DVD, you must type the "linux" at the following prompt. Otherwise the EIT program is automatically invoked. 

      Boot:

  1. The server must be installed as follows:

    1. Package selections

      All RPM packages distributed with CentOS must be installed. That is, the "Custom" menu item must be selected on the "Install Type" panel. Further, select "Everything" on the Package Group Selection" to install all packages.

    2. Disk partition

      When choosing the filesystems to create, we recommend creating a file system called /opt with a space of 500MB to install the SCore system.

    3. No Firewall setting

      No firewall setting is required because nfsd and rlogind facilities must be enabled. And please set SElinux to disable.

    4. FQDN

      The host name must be specified with a fully qualified domain name (FQDN).
      For example, server.pccluster.org, instead of just the host name server

  2. All compute hosts must be installed as follows in case of manual installation:

    1. Package selections

      All RPM packages distributed with Fedora must be installed. That is, the "Custom" menu item must be selected instead of "GNOME Workstation" on the "Install Type" panel. Further, select "Everything" on the Package Group Selection" to install all packages.

    2. Disk partition

      When choosing the filesystems to create, we recommend creating a file system called /scored with a space of 1GB for checkpointing.

    3. No Firewall setting

      No firewall setting is required because rshd facility must be enabled. And please set SElinux to disable.

    4. FQDN

      The host name must be specified with a fully qualified domain name (FQDN).
      For example, comp0.pccluster.org, instead of just the host name comp0

    5. Allow rsh by root

      rsh by root is required to make PM/ethernet config file and to start SCore-D multi user mode.
      Please add rsh in /etc/securetty as folows: 

          # echo rsh >> /etc/securetty
      Note that you must enable rshd(8) as folows: 
          # /sbin/chkconfig rsh on

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