Linux

How to compile assembly code with NASM: in Linux, Windows

An NASM assembler will turn your low-level coding, using mnemonics, into machine language that can be understood by the processor. This article will not teach you to program with NASM, but to create an executable command for Linux and Windows from NASM source code. We will also give some guidance on how to use NASM under macOS.
Ubuntu remove password: for sudo, from user, for root

Ubuntu allows users to disable the password gateway under My Linux. Read this article below to disable this password requirement.
How to boost the maximum volume in Ubuntu

Ubuntu allows users to boost the audio level by up to 125%. The users will have to make a few changes in the volume settings.
Debian change language: to English, command

Debian is a Linux-based operating system for a range of various devices, such as laptops, desktops, and servers. To change the language settings of the Debian operating system, you must first run the su command and get root permissions (admin).
How to disable avahi-daemon: Linux, Ubuntu, CentOS

The Avahi daemon is a default daemon in Linux and uses system resources and reduces the network performance. If you don't need these features, Avahi can be disabled and we'll show you how.
Linux reset network settings: to default, command line

Here is the command lines to use if you want to reset the network settings on Ubuntu and other Linux distributions. This will allow you to reset the network settings to the default settings.
How to resize partition Linux: Gparted, command line

Operating systems, such as Linux, provides partitioning software to resize partitions without any data loss. It's possible to resize a partition using Gparted in an easy and a convenient way. Gparted partitioning software is available for free download. To modify the partition with Gparted, it has to be downloaded and then burned into a blank CD.
How to fix Debian Apt-get : NO_PUBKEY / GPG error

In computers based on a Debian operating system that uses Linux kernel, error messages similar to NO_PUBKEY may appear. This happens while using the Apt-Get command line tool, and this error is associated with the tool's update feature. This problem can be solved by simply keying in the appropriate commands.
Execute a script on Ubuntu: at startup, shutdown

When using Ubuntu, user-defined tasks can be performed by executing a script at startup and shutdown. Each of these scripts is a little particular and requires subtle modifications in order to include additional commands. This article will show you how to execute scripts upon startup, reboot, and shutdown on an Ubuntu system.
How to install tar.gz in Ubuntu Linux: terminal, command

Linux systems use a variety of file formats, and each format can experience various issues. Tar.gz files are among the most troublesome file formats and often create installation issues for users. If you are currently struggling to get tar.gz files onto your system, here are a few techniques and commands that can help you through the installation process and Install tar.gz Ubuntu using the terminal.
How to install htop Linux: Ubtunu, Mint

While the top utility gives us a basic overview of the processes running on your Linux system, the htop utility goes further, by giving us additional information about the processes and also allow several manipulations.
How to disable clock in menu bar on Ubuntu?

Like most operating systems, Ubuntu includes a clock in the menu bard. To remove the clock from the menu bar of Ubuntu, follow the procedure outlined below.
How to convert DOS to UNIX: Linux, command

There are several softwares to convert text files from UNIX or Linux to DOS operating systems and vice-versa. However, it always helps to know the manual conversion.
How to set the fastest Ubuntu download server

Ubuntu uses hundreds of millions of servers worldwide to deliver updates to its global user base. The operating system will automatically choose a server based on your current location, yet the nearest server may not give you the quickest or most reliable access. This article explains how to change the Ubuntu download mirror.
How to repair a damaged filesystem in Ubuntu

You may need to repair some filesystems damaged or corrupted on Ubuntu. Here we explain to you how to correctly repair them.
How to enable/disable firewall on Ubuntu

The extremely popular Ubuntu operating system comes quipped with a built-in firewall technology. In this article we will show an easy way to enable/disable the firewall utility in Ubuntu.
How to split a file in Linux: split, merge

Linux has plenty of swift, easy, and practical commands you can use, including splitting or merging files with a single command. Come discover how to break any file you want seamlessly.
How to install ncurses-devel on Ubuntu

The installation of Ncurses-devel is important if applications that use ncurses needs to be developed. Here we are going to explain to you the simple steps to install the required packages.
Restoring Linux: from backup, using Tar

The principle is to make a single archive containing all files on the hard disk to make a backup. Under Linux, it is possible to access all the files and modify them even if they are in use. It is theoretically not necessary, therefore, to run on a Live-CD for backup or restore. In this article we will show you how to create and restore your archive, using tar.
Delete lines in Linux: SED, commands

Unix utility SED provides an effective and versatile way of deleting one or more lines from a designated file to match the needs of the user. This Unix command is used for command line processing.