CentOS – Virtualization, DBaaS & Whatever Crosses My Mind

VMware ESXi – List Network Card Software Information

magander — Wed, 05 Jun 2019 04:56:59 +0000

One of the things you need to check while doing network related troubleshooting is network card (NIC) driver, version and firmware. The command I have used for a long time do to dig up this information is ethtool. This works in most (can’t say all since I just don’t know) Linux based operating systems as well …

Install Apache On CentOS

magander — Tue, 06 Nov 2018 09:34:09 +0000

This is the second blog post in my blog series about using Citrix ADC as a web server load balancer. To be able to use the web server load balancer it’s also good to have some web servers…. All blog posts in this series: Deploy Citrix ADC VPX On Nutanix AHV Install Apache On CentOS Initial …

Nutanix AHV & Promiscuous Mode

magander — Thu, 08 Feb 2018 06:12:25 +0000

A question I have received a few times is if AHV supports promiscuous mode or not. The easy answer is YES it does. However there is a huge difference in how promiscuous mode works for AHV compared to another well known hypervisor VMware ESXi. AHV uses Open vSwitch for network communication in most cases, there …

Change Nutanix AHV Virtual Machine Disk Bus Type

magander — Fri, 24 Mar 2017 00:25:27 +0000

I have had a few questions about how to change bus type for a Nutanix AHV based virtual machine (VM) over the past month so this blog post will be how to change the disk bus type for a CentOS 7.3 based VM running on the Nutanix hypervisor AHV. You can add new disk and also delete …

Generate random data in Linux based VM

magander — Tue, 23 Aug 2016 20:47:17 +0000

A few weeks back i was asked by a customer to create a lot of random data in same amount of Linux (CentOS) based VMs as there were Nutanix nodes in their cluster. I can see multiple reasons for doing this but that is a complete separate discussion, i just wanted to share the bash …

Install Apache on CentOS from ISO image

magander — Tue, 30 Dec 2014 10:06:30 +0000

This blog post will outline how to install an Apache web server from an ISO image on my CentOS 6.4 virtual machine (VM). The reason for this is that i’ve been doing some work where no internet connection has been available. There will be a follow up post to where an web server is mandatory. …