Agile testbed/Cloud/Installation notes

This page contains notes on the installation of the agile testbed cloud.

Base install

• Install CentOS 5 bare-bones
• Setup LDAP authentication (see this guide)
  • add ldap to /etc/nsswitch.conf's passwd, shadow and group entries
  • configure /etc/ldap.conf according to this
  • make sure the DutchGrid CA certificate is in /etc/openldap/cacerts/16da7552.0 (from rpm or here)
  • add an appropriate pam_ldap.so before each pam_unix line in /etc/pam.d/system-auth
  • create homedirs for your users as /user/<username> with correct owner
• Enable Xen (see also Xen on CentOS 5)
  • yum install xen kernel-xen
  • make grub boot Xen kernel by default (change default in /boot/grub/menu.lst), add nosmp to kernel cmdline and reboot

Master

• Install and configure OpenNebula
• Setup dynamic DNS
  • install and configure bind
  • create OpenNebula hooks with ddns-update script
• Setup image repository

[OpenNebula documentation] [Building Clouds presentation]

Slaves

• Enable passwordless ssh login from master for oneadmin user