If you want to keep your Ubuntu or Debian system updated, you use the combination of sudo apt update and sudo apt upgrade commands. Some older tutorial also mention sudo apt-get update and sudo apt-get upgrade. Both apt and apt-get commands work pretty much the same …
When installing Ubuntu, you’re asked to create a user, and that user gets sudo access by default. That’s good, because you need root privileges to do things like perform updates and install packages(probably wouldn’t be too nice if any user could do that). But what about …
The Windows Subsystem for Linux (WSL) is an important part of Windows 10. Originally meant for developers building web and cloud applications, WSL nowadays turned into something a lot more powerful that brings two very different operating systems together. Since WSL 2, the Linux layer is …
Microsoft greatly simplified the user login and authentication process with the introduction of Windows Hello. The biometric security system for Windows 10 means laboriously typing out passwords has been replaced with facial or fingerprint recognition. Taking this idea to the next level is a great open …
Many Mac owners have used the Unix tool Sudo. It’s often used for Terminal commands when a user needs special user rights for a short time (with a command such as sudo nvram StartupMute=%01, for example, on Intel Macs, you can switch on the start tone); …
The security vulnerability, identified last week as “CVE-2021-3156” by the Qualys Security Team, affects sudo, which is a program that allows users to run commands with the security privileges of another user, such as an administrator. The bug triggers a “heap overflow” in sudo that changes …
The sudo command allows normal users to run programs which are only available to the root user. In this tutorial, we will show you how to create a system user and manage its sudo privileges on a Linux VPS running Ubuntu 16.04 as an operating …
How to fix sudo: add-apt-repository: command not found using sudo add-apt-repository ppa:some/ppa in Ubuntu Linux Systems. If you get the error message “sudo: add-apt-repository: command not found” while adding sudo add-apt-repository ppa:some/ppa, here is what to do: sudo apt-get update sudo apt-get upgrade sudo apt-get install …
We’ll guide you, how to create a sudo user on CentOS 7. Sudo is a Linux command line program that allows you to execute commands as superuser or another system user. The configuration file offers detailed access permissions, including enabling commands only from the invoking terminal; …