how to install virtualbox in ubuntu

ByAnurag batra July 25, 2022June 30, 2022

wget –q https://www.virtualbox.org/download/oracle_vbox_2016.asc -O- | sudo apt-key add -
#use codename of your linux version,for my case focal is codename for 
#ubuntu 20.04.1
sudo add-apt-repository "deb http://download.virtualbox.org/virtualbox/debian focal contrib"
#you can check codename of your system using command below
lsb_release -cs
sudo apt update && sudo apt install virtualbox-6.1

Here is what the above code is Doing:
1. Downloading the Oracle public key for apt-secure using wget.
2. Adding the Oracle public key to apt-key for package verification.
3. Adding the VirtualBox repository to the system.
4. Updating the package lists and installing VirtualBox.

Shell Examples

npm to fix lint issues

ByAnurag batra July 24, 2022June 30, 2022

npm run lint — –fix Here is what the above code is Doing: 1. We’re using the –fix flag to tell ESLint to automatically fix any problems it finds. 2. We’re using the — flag to tell ESLint to stop looking for arguments. 3. We’re using the –silent flag to tell ESLint to not output…

Shell Examples

move folders in powershell

ByAnurag batra July 27, 2022June 30, 2022

move-item Here is what the above code is Doing: 1. We’re importing the os module, which contains functions for interacting with the operating system. 2. We’re importing the shutil module, which contains functions for moving files and folders. 3. We’re setting the source and destination variables to the file paths of the files we want…

Shell Examples

linux scp with password

ByAnurag batra August 5, 2022June 30, 2022

sshpass -p “password” scp -r user@example.com:/some/remote/path /some/local/path Here is what the above code is Doing: 1. sshpass -p “password” : This is the password that you want to use to login to the remote server. 2. scp -r user@example.com:/some/remote/path /some/local/path : This is the command that you would normally use to copy files from a…

Shell Examples

python install random library

ByAnurag batra August 5, 2022June 30, 2022

sudo pip3 install random2 Here is what the above code is Doing: 1. Importing the random module 2. Importing the time module 3. Importing the sys module 4. Importing the os module 5. Importing the random2 module

Shell Examples

split screen into 4 ubuntu

ByAnurag batra July 17, 2022June 30, 2022

sudo apt-get install compizconfig-settings-manager Here is what the above code is Doing: 1. Install the compizconfig-settings-manager package. 2. Open the compizconfig-settings-manager application. 3. Open the Ubuntu Unity Plugin. 4. Disable the “Show Desktop” option. 5. Close the compizconfig-settings-manager application.

Shell Examples

restart network service

ByAnurag batra August 1, 2022June 30, 2022

sudo service network-manager restart Here is what the above code is Doing: 1. We’re using the subprocess module to run the command “nmcli d wifi list” 2. We’re using the subprocess module to run the command “nmcli d wifi connect password ” 3. We’re using the subprocess module to run the command “service network-manager restart”

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