OpenNebula

Pre-Installation Tasks

1. groupadd --gid 2001 oneadmin
2. useradd --uid 201 -g oneadmin -d /var/lib/one -m oneadmin
3. elinks http://downloads.opennebula.org/

Install

1. dpkg --install *.deb
2. apt-get -f install (to get dependencies)
3. /usr/share/opennebula/install_gems
4. cd /usr/share/opennebula
5. ./install_novnc.sh

Configure

Host configuration

1. apt-get install ruby
2. Copy key to /root/.ssh/authorized_keys
3. groupadd and useradd commands as above
4. usermod -a -G disk oneadmin
5. Add to /etc/sudoers:

 oneadmin  ALL=(ALL) NOPASSWD: /usr/sbin/xm *
 oneadmin  ALL=(ALL) NOPASSWD: /usr/sbin/xentop *
 oneadmin  ALL=(ALL) NOPASSWD: /sbin/lvs *
 oneadmin  ALL=(ALL) NOPASSWD: /sbin/lvcreate *
 oneadmin  ALL=(ALL) NOPASSWD: /sbin/lvremove *
 oneadmin  ALL=(ALL) NOPASSWD: /bin/dd *

Front end

1. mkdir ~/.one
2. echo "oneadmin:password" > ~/.one/one_auth
3. chmod 600 ~/.one/one_auth
4. Change :host: to 0.0.0.0 and :port: to 80 in /etc/one/sunstone-server.conf
5. echo "Host *" >> ~/.ssh/config
6. echo " StrictHostKeyChecking no" >> ~/.ssh/config

Hypervisors

1. Go to /var/lib/one/remotes/vmm/xen/xenrc and uncomment the line:

 export XM_CREDITS="sudo $XM_PATH sched-credit"

1. Change /etc/one/one.conf to uncomment the following (commenting the KVM lines):

 IM_MAD = [
     name       = "im_xen",
     executable = "one_im_ssh",
     arguments  = "xen" ]
 
 VM_MAD = [
     name       = "vmm_xen",
     executable = "one_vmm_exec",
     arguments  = "xen",
     default    = "vmm_exec/vmm_exec_xen.conf",
     type       = "xen" ]

Hosts

• onehost create cloud1 --im im_xen --vm vmm_xen --net dummy
• onehost create cloud2 --im im_xen --vm vmm_xen --net dummy
• onehost enable cloud1
• onehost enable cloud2

Clusters

• onecluster create London1
• onecluster addhost London1 cloud1
• onecluster addhost London1 cloud2