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Saifudheen Sidheeq

Saifudheen is in the Computer networking and technology field for about a decade now. He loves technology and new ideas, and in his spare time, he loves to write about them.

The other day I was working on adding some of the Redhat servers into production for monitoring. I also got the SNMP community string from the team that is managing the monitoring tools as well. I was very confident that I even informed them that I would configure the SNMP on the server in another …

Read More about 6 Easy Steps To Configure SNMP on Redhat Linux or CentOS

In the last few blogs, I covered how you can install different Operating systems in a KVM host. Now some of you are wondering I got this guest OS installed, but how do I manage it in the command line.In this blog, let’s take a look at some of the useful KVM command line commands …

Read More about Top 10 Virsh Commands That You Can Use in Linux KVM.

Even though we have virtual Nuage NSG, let’s think for a second that we have got a brand new NSG’s at our branch locations and we are going to deploy them as Branch 1 and two like below. 🙂 Creation of NSG in an Enterprise. Different methods of bootstrapping Nuage NSG. What is Auto-bootstrapping NSG …

Read More about Nuage NSG bootstrapping – Activation of NSG at the branch – Part 7

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 …

Read More about How to create Bridge and Vlan’s in Linux – Nuage SD-WAN lab Part – 2

In my previous blog, I covered the underlay network setup for Nuage in KVM. In this blog, I am going to cover the Nuage VSD installation lab guide and on the next part of the blog, we would go through the installation of the nuage components one by one. What is Nuage VSD (Virtual Service …

Read More about Nokia Nuage SD-WAN Lab- Nuage VSD installation steps – Part 3

In our last section of the Nuage sdwan lab setup, we had installed VSD, which is the nuage networks VNS management plane. In this section of the lab guide, we would go ahead and install a SD-WAN controller known as VSC (Virtual Service Controller.) Wha is Nuage VSC ? VSC is the Nuage SDN’s controller, which …

Read More about Nuage SD-WAN Controller (VSC) deployment – Part 4

I love Ubuntu, especially when I wanted to work with python programming, But I also love windows 10 because of its GUI and the vast variety of software support. In the last blog, I covered how you can install windows 10 on Centos/Redhat KVM. But in this tutorial I going to cover the Debian derivative …

Read More about How To Install Windows 10 on Ubuntu KVM?

When you want to install the windows 10 operating system on a virtualized environment or for your personal PC, many wonders where you can get windows 10 iso download, this blog will show you how you can download windows 10 iso images directly from Microsoft. Note: Though you can download the image for free, you …

Read More about 4 Easy steps to download the Windows 10 ISO image.

When you wanted to test something in your machine its better to use a virtual environment. you can play around with the machine and even if you mess up something with the virtual machine, you can still restore them. Since the VM environment and the physical host environment is separate, whatever you do on the …

Read More about How To Install Windows 10 In VMware Workstation?

Most of the network engineers whom I know have worked with mainly Cisco gears and not Hpe Comeware devices, Including myself 🙂 And my transition wouldnt been easier if there was no GNS3. To get familiar with the Comware devices, what I have done is.. I have downloaded and installed Hpe VSR to my gns3. …

Read More about Setup Hpe comware or MSR in gns3 and Telnet to Putty.

The Redundancy protocol is very common in any enterprise network that you look at it. When it comes to providing layer3 redundancy there are multiple protocols available for you to choose from, each provides its own advantages and disadvantages. Based on your requirement, there are redundancy protocols such as HSRP, GLBP, and VRRP, let’s look …

Read More about How to configure HSRP/GLBP/VRRP?

I have covered few blog posts about installing VM’s such as Centos, Ubuntu, Windows on different hypervisors. However, the installation of CentOS 8 on the 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 …

Read More about 10 Easy steps to install CentOS 7/8 on VMware workstation

How you install the traditional network devices?A skilled technician would go on to the site to deploy the router and connect cables on them and make sure everything is working.But how to implement SD-WAN gateway? You cannot install SD-WAN gateway in our case NSG (Network Service Gateway) just like that. You would have to do …

Read More about Creation of Nuage SD-WAN gateway (NSG) in VSD – Part 6

Yes, we are almost there to get everything up and run.! I am building this lab for you guys and at the same time, writing this post, that way I hope everything would be accurate. In this lab, we are going to install the Nuage proxy server, also known as nuage utility VM, so let’s …

Read More about Nuage Proxy server deployment – SDWAN lab -Part 5

There are a few features that are not available out of the box in Ubuntu. One such feature is SSH. If you ever install Ubuntu desktop on your machine and expect the ssh to work by default, it doesn’t. You would get an error message that says ‘The remote system refused the connection’ However, in the Ubuntu server …

Read More about How to Enable SSH Access on Ubuntu?

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 …

Read More about 5 easy Steps to change the display resolution in Linux

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 …

Read More about How To Transfer Files From Ubuntu To Windows?

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 …

Read More about Step by Step guide to install Nuage SD-WAN lab in KVM – Part 1

Countries around the world are going above and beyond to protect their citizens from internet threats. One example is that in some countries, which has made it impossible for its citizens to access social media sites. And in some of the western countries, they are using the internet to invade its citizens’ privacy, it only …

Read More about 9 Reasons why you should use a VPN

We all have configured Routing protocols and heard about the term ASN/AS numbers (Autonomous system number). However, when it comes to BGP, have you ever wondered what ASN really is and how you can get one?In this blog, let’s answer what ASN is in the BGP routing protocol, and it’s differences and types. A BGP …

Read More about What is an ASN in BGP?- All you need to know about AS numbers

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. …

Read More about 10 Easy Steps To Install Windows 10 on Linux KVM – KVM Windows

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 Workstation pro? VMWare workstation pro is a Software program that would let you install different …

Read More about How To Install Ubuntu On VMware Workstation 15/16?

If you are using a MAC or Windows 10 as your operating system and wanted to try out a Linux operating system. And you are wondering what is the best Linux distribution out there that you can start with. The answer is Ubuntu desktop, it is a very popular Linux distribution that you can try …

Read More about How to Install Ubuntu 20.04 Desktop on VirtualBox?

What do you think is the best way for Network hosts to update its clock automatically?The answer to that is to use an NTP server, in this article lets find out what is NTP and its stratum values, and we would also configure Cisco and Comware routers as the NTP public and private servers. Read …

Read More about What is NTP? Configure Routers as the NTP server

The VLC media player is great if you wanted to watch videos on your computer, tablet, or even on your smartphone. And the best part about this media software is that it not only play videos locally it also helps you stream videos over the network, meaning you can make your local machine as a …

Read More about Best Way To Stream VLC videos On Your Network