I’ve finally moved on from my Macbook Pro, late 2013 model and onto a Dell XPS13. I have a work-issued MBP with the touch-bar gimmick and absolutely dislike the keyboard. I decided to dual boot the device with Ubuntu 18.04 but what to do so many workarounds due to the NVMe disk in my XPS13 … Read more
I came across this cool HTML5-based management interface for KVM hosts. Its called kimchi-project (https://github.com/kimchi-project/kimchi/). In this guide, i’ll show you how to install it on an Ubuntu 16.04 host and manage your guest VMs. Pre-installation steps If you haven’t installed quemu, go ahead and do that now. sudo apt-get update && sudo apt-get upgrade -y … Read more
I’ve came across a yet another easy and cool home project that is intended for Rapsberry Pis, but can run on any flavor of Linux (Requirements here). Its called Pi-Hole and you can set it up in 5 minutes or less. Website: https://pi-hole.net/ The idea is simple: it blocks all add traffic in your network … Read more
In my previous posts regarding setting up ZFS on Ubuntu 16.04, I had referred to Aaron Toponce’s website on doing additional configuration to ZFS such as sharing via NFS or SMB. In the portion for SMB here: https://pthree.org/2012/12/31/zfs-administration-part-xv-iscsi-nfs-and-samba/, it seems that there is a couple more things to do. After running zfs set sharesmb=on pool/srv and zfs share … Read more
On my previous post, ZFS on Ubuntu Linux, I had setup ZFS on Ubuntu 14.04 by adding a ZFS repository, installing multiple packages and such. Now on 16.04 and 16.10, it is available by simply typing: sudo apt-get install zfs My previous post covers how to setup a ZFS Pool, creating ZIL, and sharing the … Read more
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
Speedtest.net is one of my de-facto go-to websites when doing a sanity check on my network for throughput. Unfortunately it requires the Adobe Flash Player plugin, so in certain circumstances its too much of a hassle to get Flash installed or poor graphics on a VM, etc. So good thing is that there is a … Read more
Here is a useful and quick one-liner command to get a RDP session from your Ubuntu system to a Windows host. Setup: Ubuntu 14.04 LTS VM Difficulty: Easy Setup time: <5 minutes You will have to install a program called rdesktop. Go ahead and run: # sudo apt-get install -y rdesktop Now that rdesktop is … Read more
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
Today, our cellphones are more powerful than a vintage supercomputer that helped NASA bring astronauts to the moon in 1969. With all the advancement in technology, some hardware manufacturers require you to flash BIOS or firmware with DOS. Okay maybe the comparison from hardware in 1969 and 2015 is a bit extreme, but you get … Read more