Category Archives: Sysadmin

Get all NSX-T tags in use with Python

Posted on 8 October 2019 by Chris

I was at a recent customer engagement and was asked to provide a list of all the tags in use in their NSX-T environment. I wrote them a solution using vRO and the NSX-T API but thought it would be … Continue reading →

Posted in NSX, Python, Scripting, Sysadmin, VMware | Leave a comment

Using PowerCLI to Bulk Add Distributed Port Groups to a Distributed Virtual Switch

Posted on 9 May 2018 by Chris

I recently had to install a couple of greenfield environments for a customer that has a very complex network layout. 100’s of VLAN‘s on their network that are consumed by vSphere VM Port Groups on Distributed Switches. Luckily the customer … Continue reading →

Posted in Automation, Scripting, Sysadmin, vCenter, VMware, vSphere, Vurtualization | 1 Comment

Using Ruby to Call vRO Workflows via the REST API

Posted on 15 May 2016 by Chris

There are a bunch of posts out there showing how to connect to the REST API but I found there were very few that actually showed something interesting happening. So, I figured I’d throw together an quick ruby script showing … Continue reading →

Posted in Automation, Ruby, Scripting, Sysadmin, vRO | Leave a comment

Adding an isolated network to my home lab

Posted on 22 March 2016 by Chris

Last week I set up a Satellite server in my home lab so I could test out deploying systems via kickstart. I wanted to kickstart the VM’s using DCHP and PXE but I didnt want the DHCP server running on … Continue reading →

Posted in Home Lab, Linux, Sysadmin, Vurtualization | Leave a comment

Packstack install fails with Mongo Connection Error

Posted on 8 January 2016 by Chris

Last night I was installing OpenStack Kilo using packstack via the instructions for CentOS 7 on RDO. I tried installing the stack using the following command, which should have resulted in a full OpenStack install on a single VM with … Continue reading →

Posted in Linux, Sysadmin | Leave a comment

Configuring Infoblox in the home lab for vRO

Posted on 7 December 2015 by Chris

Infoblox’s IPAM is an awesome product for IP address management, DHCP, DNS, etc. It is used by lots of companies and is often integrated with vRA/vRO. Because of this, I have a local install of the IPAM in my home … Continue reading →

Posted in Automation, Home Lab, Sysadmin, vRO | Leave a comment

Using old disks to serve data using a VM and Linux software RAID on CentOS or Red Hat 7

Posted on 1 February 2015 by Chris

I have been contemplating adding a 2nd NAS storage device to my home network for a while. I currently have a Netgear ReadyNAS 2100 system with 8 TB raw storage. The ReadyNAS works terrific but I have a few old … Continue reading →

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Script to Install Cacti on a CentOS or RHEL 6.5 host

Posted on 7 April 2014 by Chris

I while back I wrote a post about this script and it had since broken as some updates to RHEL/CentOS and rrdtool caused the script to crash. I updated it this weekend and verified it using a CentOS 6.5 x64 … Continue reading →

Posted in Automation, Linux, Scripting, Sysadmin | Leave a comment

Script to install Cacti on CentOS 6 or Red Hat 6

Posted on 29 August 2011 by Chris

I have installed Cacti several times and it is a somewhat tedious process on a new system so I thought I would just build a small bash script to perform the install for me. This script will install everything needed … Continue reading →

Posted in Automation, Linux, Sysadmin | 2 Comments

SSH Connection Sharing

Posted on 21 August 2011 by Chris

I was reading a post on a perl blog the other day and leaned about connection sharing in ssh. It allows you to open a ssh connection to a server and while that 1st connection is open, all subsequent connections … Continue reading →

Posted in Linux, Sysadmin | Leave a comment