How to install Oracle VM Manager in Linux server 7.5

VM Manager Installation

Pre-requisites

Oracle Linux 6 or above

 

 And make sure you have more than 8gb disk space free.

Mount CD rom to any folder .

# mount /dev/cdrom /Your foldername

Or 

# mount /dev/sr0  /Your foldername

Missing required package, Oracle VM Manager requires 'iptables-services' to be installed, you can use 'yum install iptables-services' to install it.

#yum install iptables-servers

No package iptables-servers available.

If it showing error “ No package iptables-servers available “

#systemctl stop firewalld

# systemctl disable firewalld

#systemctl mask firewalld

# systemctl enable iptables.service

Then try again ,

#yum install iptables-servers

After finish iptables installation , run below command again,

# ./createOracle.sh

It will add all required firewall rules in iptables.

After that if it showing below error , then if your installing vm manger in virtualbox just increase the CPU core or if you are installing ovmmanager in physical machine machine make sure it have multiple core.

Add a hostname for oracle server

Manually append "HOSTNAME=xxxxx" into file /etc/sysconfig/network and restart system will not work on Oracle Linux 7.

For Oracle linux 7 and above,

# hostnamectl status

# hostnamectl set-hostname ##static

Eg: # hostnamectl set-hostname OVM-TESTSRV.oracle.com ##static

Reboot

#init 6

After that just check or add dns configuration.

And test dns with pinging host name.

Then stop Network Manager

# systemctl stop NetworkManager

# systemctl disable NetworkManager

# chkconfig --level 235 NetworkManager off

# chkconfig --list NetworkManager

#systemctl disable NetworkManager.service

# systemctl del NetworkManager.service

Then edit network settings,

# vi /etc/sysconfig/network-scripts/ifcfg-eth0

Verify you should have 8 Gb of Ram

And execute the command,

#  ./runInstaller.sh

If you got an error as show below ,

“You are trying to run the installer as user 'username'. Please run this installer as root.

Then run command as root

# Sudo   ./runInstaller.sh

If it showing error and is there is no required  hard disk free space or any other prerequisites you can skip pre-req check by following command,

 # Sudo   ./runInstaller.sh -n

And Wait for all packages need to be installed.

Done