How To Reset Sudo Password In Ubuntu 20.04 LTS
This brief guide explains how to reset sudo password in Ubuntu 20.04 LTS desktop or server editions. When installing Ubuntu for the first time, a new sudo user will be created to perform all sorts...
Category: FAQ
Boot Into Rescue Mode Or Emergency Mode In Ubuntu 20.04 / 18.04
As you might already know, Runlevels are replaced with Systemd targets in many recent Linux distributions like RHEL 7 / RHEL 8 and Ubuntu 16.04 LTS and newer versions. For more details about runlevels and...
The mktemp Command Tutorial With Examples For Beginners
We already know how to create files of a certain size in Linux. Creating files with the given size can be helpful in many occasions. For example, after deploying a new file server, you might...
How To Find Hard Disk Drive Details In Linux
This guide lists various methods to find Hard disk drive details in Linux operating systems. Using the below methods, you can able to find the hard disk make, hard disk type, size, firmware version, partition...
How To Find Hard Disk Data Transfer Speed In Linux
This guide will teach you how to find hard disk data transfer speed in Linux. In other words, we are going to identify how fast your drive delivers data. We are also going to talk...
Find If A User Is Using Password-based Or Key-based SSH Authentication
Picture this scenario. You just configured SSH key-based authentication in your Linux server. Then you decided to disable password-based authentication completely and allow only key-based authentication to all users. Before disabling the password authentication, you’d...
Find WiFi Password Of Connected Networks In Linux
As you may already know, when you connect to a wireless network for the first time, the password will be saved in your Linux machine. So you don’t need to enter the password of your...
Monitor And Administer Linux Servers Using Cockpit Via Web Browser
Cockpit is a free, open source, server administration tool that allows you to easily monitor and administer Linux servers via a web browser. It helps the system admins to perform simple administration tasks, such as...
How To Change Default Sudo Log File In Linux
This guide explains how to change default sudo log file in Linux. By default, all sudo incidents will be logged in /var/log/auth.log file in Debian-based systems like Ubuntu. In RPM-based systems like CentOS and Fedora,...
How To Change Sudo Password Timeout In Linux
This brief guide explains how to change sudo password timeout in Linux. The sudo system is an ingenious way to allow who can run administrative tasks in Linux and Unix operating systems. You can promote...
