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Red Hat Enterprise 5.2 / CentOS 5.2 and Fedora 9 Pre-Install

All Platforms

Download enomalism.public and install it via: rpm --import enomalism.public
Download enomalism001.pubkey.asc and install it via rpm --import enomalism001.pubkey.asc
Install the 0.4.1 libvirt packages for your platform from http://sourceforge.net/project/showfiles.php?group_id=164855&package_id=272094
- NOTE: CentOS 5.x packages will work with RHEL 5.x. Fedora 9 must follow the compile instructions below.

If the libvirt packages do not match your RPM platform or will not install properly libvirt can be compiled manually (This includes Fedora 9!):

   yum install libxml2-devel openssl-devel cyrus-sasl-devel xen-devel gnutls-devel gcc
   wget http://libvirt.org/sources/libvirt-0.4.1.tar.gz
   tar -xvzf libvirt-0.4.1.tar.gz
   cd libvirt-0.4.1
   ./configure --prefix=/usr && make && make install

RHEL 5.2 / CentOS 5.2

After downloading the RPM for your platform from SourceForge, run the following from the command line:
```
   yum install Enomalism2-2.1.1-3595-noarch-py24.rpm
```

Fedora 9

After downloading the RPM for your platform from SourceForge, run the following from the command line:
```
   yum install Enomalism2-2.1.1-3595-noarch-py25.rpm
```

Hypervisor Selection

XEN

For most RPM based distros the following command will install the Xen Hypervisor support:

  yum install kernel-xen xen

KVM/QEMU

For CentOS the following command will install KVM/Qemu support:

   yum install kvm kmod-kvm qemu
   ln -s /usr/bin/qemu-kvm /usr/bin/kvm

For Fedora 9:

   yum install kvm qemu
   ln -s /usr/bin/qemu-kvm /usr/bin/kvm

RHEL 5.2 does not ship with yum'able KVM or Qemu packages, these can be downloaded and installed manually:

Install CentOS 5.x Public Key: rpm --import http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5

32 Bit (x86)

  wget http://mirrors.kernel.org/centos/5.2/extras/i386/RPMS/qemu-0.9.0-4.i386.rpm
  wget http://mirrors.kernel.org/centos/5.2/extras/i386/RPMS/kvm-36-1.i386.rpm
  wget http://mirrors.kernel.org/centos/5.2/extras/i386/RPMS/kmod-kvm-36-2.2.6.18_92.1.10.el5.i686.rpm
  wget http://mirrors.kernel.org/centos/5.2/updates/i386/RPMS/kernel-2.6.18-92.1.10.el5.i686.rpm
  yum install qemu-0.9.0-4.i386.rpm kvm-36-1.i386.rpm kmod-kvm-36-2.2.6.18_92.1.10.el5.i686.rpm kernel-2.6.18-92.1.10.el5.i686.rpm
  ln -s /usr/bin/qemu-kvm /usr/bin/kvm

64 bit (x86_64)

  wget http://mirrors.kernel.org/centos/5.2/extras/x86_64/RPMS/qemu-0.9.0-4.x86_64.rpm
  wget http://mirrors.kernel.org/centos/5.2/extras/x86_64/RPMS/kvm-36-1.x86_64.rpm
  wget http://mirrors.kernel.org/centos/5.2/extras/x86_64/RPMS/kmod-kvm-36-2.2.6.18_92.1.10.el5.x86_64.rpm
  wget http://mirrors.kernel.org/centos/5.2/updates/x86_64/RPMS/kernel-2.6.18-92.1.10.el5.x86_64.rpm
  yum install qemu-0.9.0-4.x86_64.rpm kvm-36-1.x86_64.rpm kmod-kvm-36-2.2.6.18_92.1.10.el5.x86_64.rpm kernel-2.6.18-92.1.10.el5.x86_64.rpm
  ln -s /usr/bin/qemu-kvm /usr/bin/kvm

This will install a new RH kernel, please reboot after this step.

All RPM Systems

Start MySQL from the command line by typing:
```
   /etc/init.d/mysqld start
```
Set a root password on MySQL (used in later steps)
```
   mysqladmin password <password>
```
Allow MySQL to start on bootup
```
   chkconfig mysqld on
```

Xen Issues

If you plan on using the Xen hypervisor, and you currently do not have a working Xen setup you may need to do the following:

http://trac.enomalism.com/enomalism/wiki/enomalism-trouble#ErrorsConnectingtoXen

Enomalism Install

Configuring Enomalism

If MySQL is running (it should be after following the install steps above) type the following at the command line:

   cd /opt/enomalism2
   scripts/init-db.sh <mysql root password> <new enomalism user> <new enomalism password>

Replace <user> and <password> with usernames and passwords of your choice (without the triangle brackets).
Copy the default.cfg to config/$HOSTNAME.cfg by doing this
```
   cp default.cfg config/$HOSTNAME.cfg
```
Edit config/$HOSTNAME.cfg
- Change sqlobject.dburi="mysql://enomalism2:zx45qw12@localhost/enomalism2" to reflect your proper MySQL username and password.
- Change enomalism2.self="5fe6f05e-7ee0-11dc-ba7c-0011d88b8e81" to reflect a unique identifier for your cluster environment (each instance needs to be unique)
  - Most distros have a utility such as uuid or uuidgen that can generate a number for you. The only valid value in this field is a uuid.
- Change enomalism2.baseurl="http://127.0.0.1:8080/rest/" to the IP/hostname you use to access the Enomalism web interface.
- Change enomalism2.ip_addr="1.2.3.4" to the IP/hostname you use to access the Enomalism web interface, this will be used later for clustering.

Configuring VNC Access for VM's

To access your machines through the built-in VNC client, you need to change the following chunks in the following files:

/etc/libvirt/qemu.conf (NOTE: If this file is missing or is a directory, you probably did not install the 0.4.1 version of libvirt!)

# VNC is configured to listen on 127.0.0.1 by default.
# To make it listen on all public interfaces, uncomment
# this next option.
#
# NB, strong recommendation to enable TLS + x509 certificate
# verification when allowing public access
#
vnc_listen = "0.0.0.0"

/etc/xen/xend-config.sxp

# The interface for VNC servers to listen on. Defaults
# to 127.0.0.1  To restore old 'listen everywhere' behaviour
# set this to 0.0.0.0
(vnc-listen '0.0.0.0')

NOTE: Some installations (KVM only) may not have the second file to edit, don't panic. If you're not using Xen, you will not need it.

Running Enomalim

Run the following from the prompt
```
   /etc/init.d/enomalism2.sh start
```
If no errors occur point your browser to: http://server:8080 , where "server" is the IP or the hostname of the enomalism server.
After the install completes, click on the bottom link and log in using
- username: admin
- password: password
You can stop Enomalism by typing
```
   /etc/init.d/enomalism2.sh stop
```

Done! Welcome to the Enomalism Cloud Computing Platform!

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