Linux Tutorials and Examples for Beginners

Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds.

In this pages, we write some tutorials and examples for how to use linux operation, you can follow our tutorials.

Linux df Command: Check Free Disk Space – Linux Tutorial

If you want to know how much total free space in linux, this tutorial will help you. In this article, we will use linux df command to display free space in a linux operation.

Best Practice to Kill a nohup Task in Linux – Linux Tutorial

We may use linux nohup command to run a task without terminal and allow it to continue to run with ssl connect closed. However, how to kill this task if you want to stop it? In this tutorial, we will introduce you how to do.

A Simple Guide to the Difference Between i386 and amd64 for Beginners – Ubuntu Tutorial

When we plan to install a linux system, we may find i386 and amd64. What are the difference between them. We will discuss this topic in this tutorial.

Fix Ubuntu Unable to lock the administration directory (/var/lib/dpkg/) – Ubuntu Tutorial

When you are installing application on ubuntu, you may get this error: Unable to lock the administration directory (/var/lib/dpkg/). In this tutorial, we will tell you how to fix this error.

Fix Failed to unmount /isodevice Partition when Installing Ubuntu

If you are installing ubuntu operation from computer disk, you may get an error: Failed to unmount /isodevice Partition. How to fix this error in order to continue to install.

Fix Python Pip ImportError: cannot import name main – Python Tutorial

fix pip import error - cannot import name main

After you have updated python pip, you may get this import error: ImportError: cannot import name main. In this tutorial, we will introduce you how to fix it.

Fix Ubuntu Unable to lock directory /var/cache/apt/archives/ Error – Ubuntu Tutorial

When you are using apt-get command on ubuntu, you may get Unable to lock directory /var/cache/apt/archives/ error. In this tutorial, we will tell you how to fix this error.

A Beginner Guide to Delete Files and Directories on Ubuntu Using rm Command

Delete files and directories are common operations on ubuntu. In this tutorial, we will introdue how to delete them for ubuntu beginners.

Ubuntu Reset Forgotten Password: A Completed Guide – Linux Tutorial

Sometimes, you may forget your password and can not login into ubuntu. You may want to retrieve password, however, it can not work in ubuntu system, you can only reset a new one. In this tutorial, we will introduce how to reset a forgotten password for users in order to make them can login into their system.

Fix Ubuntu Passwd: Authentication token manipulation error – Linux Tutorial

Passwd command can allow us to change user password, however, we often may find Authentication token manipulation error when changing, which cause us not to change new password for user. In this tutorial, we will introduce how to fix this error and update new password for user.