Centos

Setting up CentOS on VirtualBox for RDO

Ronald Bradford
April 1, 2016

Create a CentOS Virtual Machine (VM) NOTE: There are several different ways in creating a base VM CentOS image. These steps are the more manual approach, however they are provided for completeness in understanding varying options.

Cloud Computing Virtualization

VirtualBox networking for beginners

Ronald Bradford
March 30, 2016

When using VirtualBox for my OpenStack development I always configure two network adapters for ease of development. The first is a NAT adapter that enables the guest VM connectivity to the Internet via the host.

Linux Open Source

Setting up a Virtual IP address (VIP)

Ronald Bradford
August 26, 2009

These instructions are for CentOS/Redhat Linux distributions. Identify your current NIC’s and IP addresses in use. $ /sbin/ifconfig eth0 Link encap:Ethernet HWaddr 00:30:48:98:9C:A6 inet addr:192.168.53.201 Bcast:192.168.53.255 Mask:255.255.255.0 inet6 addr: 0080::230:48ff:fe98:9ca6/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:6159779 errors:0 dropped:0 overruns:0 frame:0 TX packets:6137085 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:1158210510 (1.