I have a CentOS machine but there are times I would wanted to switch from CentOS to Ubuntu, how do I do that ? You can have dual boot with both the Centos and the Ubuntu but if you wanted to switch from Centos to Ubuntu then you would have to shutdown the Centos and during the boot select Ubuntu … Read More
10 Easy steps to install CentOS 7/8 on VMware workstation
I have covered few blog posts in the past about installing VM’s such as Centos, Ubuntu, Windows on different hypervisors. However, installation of CentOS 8 on vmware workstation was totally different story. When the CentOS 8 came out I thought let me spin up the CentOS 8 on my VMware workstation. Guess what ?, The installation didn’t succeed. during the … Read More
5 Easy steps to Configure SNMP on Redhat Linux or CentOS
The other day I was working on adding some of the Redhat servers in to production for monitoring. I also got the SNMP community string from the team who is managing the monitoring tools as well. I was so confident that I even informed them that I would configure the SNMP on the server in another 5 mins :). Do … Read More
How to create Bridge and Vlan’s in Linux – Nuage SD-WAN lab Part – 2
What is the underlay and Overlay network? When it comes to Nuage-SDWAN there are two types of networks that we have to use. First one is called the underlay network and the second one is called the overlay network. The underlay network is nothing but our traditional network which would help us to connect all the network equipment. Once the … Read More
5 easy Steps to change the display resolution in Linux
When you install Redhat Linux enterprise or a CentOS on a server, by default, it takes the display resolution as 800 x 600 or 1024 x 768. Also, when you go to display settings and try to modify the display resolution, you would be disappointed to see that there are no options available to increase the display resolution either from … Read More
How to transfer files from Ubuntu to Windows?
I recently installed Ubuntu on my VMWare workstation pro, and I realized that I need to transfer some files from my windows host machine to the Ubuntu Guest OS and vice versa. There are many ways you could transfer files from linux to windows . Lets look at the simple and easiest ways to transfer files between windows and Ubuntu. … Read More
Step by Step guide to install Nuage SD-WAN lab in KVM – Part 1
You are here because you wanted to learn about Nuage SD-WAN and its lab setup. For me, I don’t like to read more of theory when it comes to learning new technologies. I would instead do a lab first and make some mistakes and learn from them. By the time I finish the lab, I would know more about the … Read More
4 easy step to install CentOS on KVM
CentOS is one of my favorite Linux distros, I have been using them for quite a while for my labs as well as in POC’s. If I have to do some testing in the Redhat production servers I would prefer to use Centos as an alternate as both are identical and configuration looks the same and Centos doesn’t require a … Read More
10 Easy steps to install Windows 10 on Linux KVM
I usually use the windows vm machine as a jump server inside my labs, that way I can move around the files and stuff quickly, sometimes I install the windows machine on the ESXi host else I would install it on the KVM. For some, they wanted to use windows machines on their Linux box. They can either install Vmware … Read More
[Solution] How to extend windows storage in KVM?
I have one windows machine that I use as an alternate operating system in my Linux KVM. Recently I noticed that the C drive in my windows got filled up and there is not enough space left to store any more data. How we can get around this issue? All we have to do is increase the storage on the … Read More
10 easy steps to install ubuntu 19.04 on VMware workstation 15
When you are a network engineer or a developer, you may want to test your skills in a virtual environment rather than playing with your machine or production environment. Because you never know what could go wrong. What is VMware’s workstation and Fusion? VMWare workstation pro is a Software program that would let you install different operating systems, be it … Read More
[Solution] You need at least 8.6GB disk space to install Ubuntu. The computer has only 2.0GB
I was working on a topology where I had to add a Ubuntu desktop client to simulate the end-user machine. I tried to install Ubuntu on the KVM hypervisor. Downloaded the Ubuntu ISO file, moved the Ubuntu-desktop ISO file to /var/lib/libvert/images folder on the KVM server I was working on. Selected network configuration and started the VM installation. There were … Read More
[Solution] device eth0 does not seem to be present, delaying initialization centos
The other day I was working on a POC lab where I had to simulate a DNS server, Centos version 7 in this case in GNS3. It was for one of the nuage sdwan gns3 labs I was working on.Took a copy of centos DNS VM from existing KVM host, added into gns3 by going to edit preferences and under … Read More
