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Install GNS3 on Ubuntu 20.04 - A step by step guide ?

This article covers how to install GNS3 on Ubuntu 20.04 LTS OS. In fact, GNS3 is an incredibly powerful tool that virtualizes real network hardware and helps you to test and verify real-world network deployments. It provides a risk-free virtual environment to design and build a network with your considered size and even with no hardware. GNS3 can be installed on Windows, macOS, and on Linux. It supports Linux distributions (Ubuntu-based distributions 64 bit only) and emulates Linux switches and multiple Linux appliances.

Ubuntu 18.04 LTS (Bionic Beaver) Release

This article covers an overview about Ubuntu 18.04 LTS (Bionic Beaver). Also we covered in details the main features of this Ubuntu release.

The Ubuntu operating system's latest Long Term Support (LTS) release, Ubuntu 18.04 (Bionic Beaver), was released on April 26, 2018. 


To upgrade an Ubuntu system of version 16.04 or later to Ubuntu 18.04:

1. Back Up Your System.

2. Update Currently Installed Packages

Begin by updating the package list:

$ sudo apt-get update

3. Next, upgrade installed packages to their latest available versions:

$ sudo apt-get upgrade

4. Now, use the dist-upgrade command with apt-get, which will perform any additional upgrades that involve changing dependencies, adding or removing new packages as necessary.

$ sudo apt-get dist-upgrade

How to solve crash in virtual servers when running Xen 4.8 and later versions

Resolving the bug in Xen version 4.8 and later versions in CentOS and Ubuntu Based Linux Distribution by easy to use techniques and modifying the kernel parameters.