hot-add CPU and memory to Ubuntu guest in VMware

Virtualization has made our lives easier. We can spin up new resources for applications, dynamically add more disk space, migrate them, etc. In vSphere, we can dynamically add additional memory and vCPU to a guest VM without any downtime (assuming its been enabled prior to powering on). Now in Ubuntu 12.04, I had two production … Read more

vCSA 6.0 automated deployment

Doing the first batches of vCenter Server Appliance (vCSA) 6.0 deployment was kinda…rough. Playing around with the OVA and getting annoyed at the web-based deployment option kind of slowed us down. At my current job we prefer vCSA’s for our Test and Dev environments and dont want to deal with¬†Windows Server. Fortunately VMware has given … Read more

VMworld 2015

VMworld 2015 was last month, which means its been about 1 year since I’ve started this blog! Last year I had the opportunity to attend my first conference as a attendee. This year I attended as a booth staff for my company, and what a difference experience! It was great to run into some old … Read more

Add drives without reboot on VMware Ubuntu guest

This post is on deploying a new Ubuntu VM, dynamically adding more disks, having the guest OS recognize the new¬†drives and increasing its capacity without rebooting. This is really useful for critical production servers that cannot go down for reboots like a NFS server. Lets get started. OS: I’m using Ubuntu 12.02.4 LTS server OS … Read more

Raspberry pi Console Server

Do you work with networking devices but don’t have the money to shell out for a Opengear, Pele, or Tripplite serial console server? Fear not, Raspberry Pi is here! Home lab users and budget constrained Network Admins will enjoy this. For those who are unfamiliar with the Raspberry Pi (RPi for short), its a credit … Read more

Spotify on Ubuntu

Spotify has a preview build for Linux users! I have it successfully running on Ubuntu 14.04.5 LTS Instructions from their website: # 1. Add this line to your list of repositories by # editing your /etc/apt/sources.list deb http://repository.spotify.com stable non-free # 2. If you want to verify the downloaded packages, # you will need to … Read more