The purpose of this tutorial is to show how to label a hard disk in Linux. Labeling hard drives under a Linux system gives a user a better way to organize all of the block system’s devices on their system.
Luke Reynolds
Rename/Replace white space in files in entire directory recursively
The purpose of this tutorial is to show various methods on how to rename or replace white space in multiple files. Some tools on a Linux system may not work properly with files that contain white spaces, which would give some users motivation to replace the white space with underscores, for example. Manipulating files without white space is much easier, as you do not have to worry about escaping the file name each time.
Using command line wodim tool to burn iso image
If you are looking to burn an ISO image to physical media such as a CD or DVD, instead of a conventional method using a GUI application, there are also many ways on how to burn an ISO image from the command line. One way is to use the wodim command. In this tutorial, we will cover the step by step instructions to burn an ISO image to disc using the wodim tool on a Linux system.
Linux Backup Restore Destroy and Install MBR – Master Boot Record
Master Boot Record (MBR) is a type of boot loader that tells a system how the partitions on a disk are organized. Although MBR has been superseded by GUID Partition Table in recent years, MBR is still very prevalent across many systems. Without a boot loader, your system will have a hard time booting into your operating system – whichever Linux distro that may be. As such, it can be useful to learn how to back up and restore the MBR on Linux.
In this guide, we’ll be going over the commands used to backup, restore, destroy, and install MBR to a disk on Linux. Check out the examples below to learn how.
In this tutorial you will learn:
- How to manage MBR on Linux
How to check CPU instruction set
The purpose of this tutorial is to show how to check a CPU’s instruction set on a Linux system. The instruction set of a CPU is, in simple terms, the capabilities that it possesses. For example, if your CPU supports hardware virualization, then that is part of its instruction set.
Nohup command in Linux with Examples
The nohup command in Linux is used to tell a process to ignore any SIGHUP (hangup) signals that it receives. The SIGHUP signal is sent to a background job whenever the current terminal is closed. Thus, we can have a job in the background, close the terminal, and still see it running in the background.
Replace all TAB characters with spaces
If you have a lot of tab characters inside a text document or program file, they can be annoying because of how they’re represented differently in various text editors. For example, when you send your code to someone else, is it going to display the same way on their screen as it did on yours? Tabs are a bit unpredictable in this respect, and spaces are a much safer bet.
In this guide, we’ll show how to replace all the tab characters inside a file with spaces on Linux. We can use various Linux commands to do the job for us, which we’ll go over below. Depending on your situation and the file in question, some commands may be more suitable than others.
In this tutorial you will learn:
- How to replace tab characters with spaces
Add User To Group in Linux
In this Linux add user to group tutorial you will gain in insight on how to add user to group on any Linux. Most users, and especially administrators, of a Linux system will eventually run into the need to do some user account management. This may include adding or deleting a user from the system, or adding a user to a group and removing a user from a group.
adduser vs useradd in Linux
All Linux systems have access to hundreds or thousands of different commands. Some of these commands serve similar purposes, though there is usually a particular tool that is more suited for certain jobs. Such is the case with the adduser and useradd commands on Linux.
Linux commands to back up and restore MySQL database
It’s always a good idea to take frequent backups of your MySQL or MariaDB databases. They can potentially contain thousands of lines of irreplaceable data. Many users may be confused on how to back up their databases at first, as the process differs quite a bit from backing up ordinary files. The process of restoring a backup must also be known, as there’s no point in having a backup if the user cannot reliably restore it.
In this guide, we’ll go over various command line examples to back up and restore MySQL or MariaDB databases on a Linux system. You can then use these commands to make regular backups of your databases, or even add them to a Bash script that can do most of the work for you. Another option is to configure cron to make regularly scheduled backups of your databases.
In this tutorial you will learn:
- How to back up MySQL or MariaDB database (one or multiple)
- How to restore a MySQL or MariaDB database backup
C++ code on how to read characters from a file
This tutorial will show you a small example of C++ code on how to read a characters from a file, as well as to count the number lines that any particular file consist of. We will be creating the script and compiling the C++ on a Linux system. All distros will work the same, provided you have the G++ compiler installed, which we will cover as well.