Installing Eucalyptus Nightly Packages on CentOS 5

To install Eucalyptus nightly builds on servers running CentOS 5:

On all servers, run the following commands:

yum --nogpg install -y http://downloads.eucalyptus.com/
software/eucalyptus/nightly/3.1/centos/5/x86_64/eucalyptus-release-nightly-3.1.noarch.rpm

On all systems that will run either Eucalyptus or Euca2ools, run the following commands:

yum install -y http://downloads.eucalyptus.com/software/
euca2ools/nightly/2.1/centos/5/x86_64/euca2ools-release-2.1.noarch.rpm

Configure the EPEL repository:
1. Go to http://fedoraproject.org/wiki/EPEL
2. Navigate to How can I use these extra packages? and select the newest version for EPEL5.
3. Click the package link to download the RPM.
4. Install the resultant RPM package with the following command, as root:
```
rpm -Uvh epel-release-X-Y.noarch.rpm
```
On all servers, enter:
```
yum update
```
If your planned Walrus server is running Xen (possible, but not recommended), install kmod-drbd83-xen package. Otherwise, skip this step.
```
yum install kmod-drbd83-xen
```

Install Eucalyptus packages. The following example shows most components being installed all on the same server. You can use different servers for each component.

yum install eucalyptus-cloud eucalyptus-cc eucalyptus-sc eucalyptus-walrus

High Availability

If you are deploying HA, you must install these packages on pairs of systems. For instance, “eucalyptus-cloud” is installed on the primary CLC and the secondary CLC.

On each planned NC server, install the NC package:

yum install eucalyptus-nc

Important

If you are using VMware, you can skip this step. Eucalyptus software is not installed on these machines. They are running VMware.

After you have installed Eucalyptus, test multicast connectivity between the CLC and Walrus, SC, and the VMware Broker.

Run the following receiver command on the CLC:

java -classpath /usr/share/eucalyptus/jgroups-2.11.1.Final.jar org.jgroups.tests.McastReceiverTest -mcast_addr 224.10.10.10 -port 5555

Once the receiver command blocks, simultaneously run the following sender command on Walrus:
```
java -classpath /usr/share/eucalyptus/jgroups-2.11.1.Final.jar org.jgroups.tests.McastSenderTest -mcast_addr 224.10.10.10 -port 5555
```
The two applications should be able to connect and arbitrary lines entered on the sender should appear on the receiver.

Repeat the previous step on the SC and then on the VMware Broker.

High Availability

If you are installing an HA environment, repeat these tasks on secondary CLC, Walrus, SC, and VMware Broker.

Your installation is complete.

You are now ready to Configure Eucalyptus.