How To Restore Or Recover Deleted Commands In Linux
In this brief tutorial, we will learn how to restore or recover deleted commands in Linux using coreutils and busybox. We usually use rm command to remove stuffs in Linux, …
Fix “Implementation of the USB 2.0 controller not found!” VirtualBox Error
Today I started my Ubuntu virtual machine from Oracle VirtualBox and encountered with the following error: Implementation of the USB 2.0 controller not found! Because the USB 2.0 controller state …
How To Increase Memory And CPU On Vagrant Machine
Having performance issues with your Vagrant machine? It is probably because of insufficient Memory or CPU. Simply add more RAM and CPU core to Vagrant machine to improve its performance. …
Virtualbox Error – Failed to load ring-0 module VBoxEhciR0.r0
Oracle VirtualBox is my go to solution to efficiently and quickly test different Linux and Unix operating systems. It is one of the easiest and simplest virtualization software. Today, I …
Fix “Encountered a section with no Package: header” Error In Ubuntu
Today, I encountered with the following error when I try to update my Ubuntu 20.04 LTS desktop system. $ sudo apt update Sample output: Get:1 http://ny-mirrors.evowise.com/ubuntu focal InRelease [265 kB] …
How To Check If A Linux System Is Physical Or Virtual Machine
As a Linux administrator, sometimes you might be wondering whether you are working on a physical or virtual machine. Most of the time, you will be accessing and managing your …
How To Fix Busybox Initramfs Error On Ubuntu
This brief guide explains how to fix Busybox Initramfs error on Ubuntu Linux. I use Ubuntu 20.04 LTS as my daily driver on my Dell Inspiron laptop. Today I turned …
Fix “hard disk with UUID already exists” Issue In VirtualBox
by sk · July 14, 2020 This quick tip will help to fix “hard disk with UUID already exists” issue in VirtualBox in Linux. Today, I tried to migrate one …
Virtualbox Guru Meditation Critical Error In Linux
I have been testing KVM extensively this week. Today I learned that KVM and Oracle VirtualBox doesn’t work at the same time. Up until today, I haven’t had a chance …
Fix “W: Some index files failed to download.” Error In Ubuntu
It seems one of the Ubuntu mirror is down today and I couldn’t install any new package in my Ubuntu 20.04 LTS server. When I try to update software source …