today's howtos

posted by Roy Schestowitz on Nov 02, 2022

• How to Install Neovim on Ubuntu and Its Plugins

  Neovim is an easy-to-use fork of the well-known text editor VIM. You can also use a GUI, IDEs, web browser to embed Neovim as an editor. It provides asynchronous job control with better functionality and reusability. Neovim is an open-source tool that is available for all major operating systems, and it supports XDG-based directories.

  In this tutorial, we will learn how to install the Neovim text editor on Ubuntu.

  Ubuntu supports multiple methods to install Neovim on Ubuntu. Here, we will list some of the most used methods for installing Neovim.

• [Solution] Cannot lock /etc/passwd; try again later - Useradd Error

  Sometimes in Linux when adding a user using the useradd command it throws the error 'Cannot lock /etc/passwd; try again later' as shown below...

• Sed command in Linux - Options + Examples

  Text Manipulation in Linux - you should immediately know grep, awk, sort, sed, and cut. The sed command manipulates text files directly from the Linux command line without even opening the file. The most commonly used command for substitution.

  In this tutorial, we learn about sed command in Linux with its usage examples.

• How to Install Systemd on CentOS Stream

  Modern Linux Distributions already adopted systemd as their service manager. This includes Ubuntu, RHEL, and Fedora. To have new features immediately you can manually install systemd by compiling from the source.

  In this tutorial, we learn how to install systemd on the CentOS Stream 9 system...

• Remove Tomcat from Linux | Uninstall Tomcat Ubuntu

  Apache Tomcat or simply Tomcat (formerly it was also known as Jakarta Tomcat) is an open-source web server and servlet container developed by the Apache Software Foundation (ASF). Tomcat can be installed on CentOS Stream /Redhat machine either using yum or from the source file. However, in this tutorial, we will see, how we can uninstall/remove tomcat from the Linux machine.

  In order to remove tomcat from your machine, the first thing you need to check is how this package got installed on your server.

• Dmidecode in Linux

  The dmidecode in Linux stands for Desktop Management Interface, abbreviated as DMI. The dmidecode is a Linux command that comes in handy in retrieving all details of your system’s hardware components, and it displays the output in a human-readable format. You can utilize the DMI on various Linux systems, including Debian, CentOS/RHEL, OpenSUSE, Fedora, and Arch Linux.

• How to Delete Lines in Vim or Vi

  UNIX-based operating systems offer various text editors. Working with text files on the command line is challenging for most beginners. Luckily, you don't have to hassle any longer, especially when you must delete multiple or specific lines in a text file.

  With a text editor like vim or vi, you can utilize its normal mode or command mode to edit a file quickly, including deleting lines. Besides, there are plenty of options that you can use, provided you know how.

  This guide covers all details on how to delete lines in vi or vim editor.

• How to add new disk to existing Linux system

  When you are adding a new disk to an existing Linux system, you will need to format and partition it, add a file system to it, and then mount the disk to some path where you plan to access it from. This might sound complex or like a lot of steps, but it really only takes a few minutes. The following tutorial will make it very easy.

  In this tutorial, we will cover the step by step instructions to add a new hard drive or solid state drive to an existing Linux system. We will show the steps for both command line and GUI methods, so you can follow along with set of instructions you are most comfortable with. Let’s get started.

• How to clone a Linux system

  Making a clone of your Linux system is a great way to make a complete backup. This type of backup would preserve all your system and personal files, as well as any customizations and settings that you have applied to your operating system over time (assuming everything is on one hard drive). Cloning and restoring a Linux system is relatively easy, since Linux will not encounter errors if you clone it onto different hardware – at worst, you may have a few hiccups, such as the need to uninstall and install necessary drivers.

  You can even make a clone of your Linux system as its running. There are a few applications built especially for this type of function, like Partimage and Clonezilla, but we can also use a simple, default command line tool such as dd. In this tutorial, we will take you through the step by step instructions to make a clone of a running Linux system. You will learn three different methods below and can choose the one that you think fits your situation best.

• Curl command not found

  If you encounter the curl command not found on a Linux system, it means that the tool has not yet been installed. The curl Linux command can use various network protocols to download and upload data on Linux. In this tutorial, you will see how to install the curl command on all major Linux distributions.

• Store and analyze your test-suite logs with this open source tool | Enable Sysadmin

  Bunsen is a Python-based toolkit that keeps test-suite logs in Git and lets you analyze and report the results using an SQLite database.

• How to Enable EPEL Repository on RHEL, Rocky - Alma Linux

  In this article, you will learn how to install and enable the EPEL repository on RHEL-based Linux distributions to install additional standard open-source software packages by using YUM and DNF package manager.