How To Fix sub-process /usr/bin/dpkg returned an error code (1) in Ubuntu


Ddpkg is a tool used to install packages into a Debian, Ubuntu, Mint, Kali or deb based distributions. The error message “Sub-process /usr/bin/dpkg returned an error code (1)” indicates a problem with the package installer. This can happen in Ubuntu…

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How to upgrade Debian 9 Stretch to Linux Debian 10 Buster


Debian 10, codenamed Buster, is still a work in progress, but a pre-release version is available. Even though Debian 10 has not reached its final release date, you can still run the upgrade. This guide will walk you through how to upgrade from…

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How To Share Data Between Docker Containers


Docker allows users to run applications isolated from a host computer, without the necessity of having separate operating systems for them to run on. Instead, you install and manage the Docker containers with a containerization engine (Docker…

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How to Upgrade Debian 8 Jessie to Debian Linux 9 Stretch


Debian is one of the main distributions, of the Linux operating system. There are many derivatives of Debian Linux, like Ubuntu and Kali. But the primary Debian operating system remains a popular and well-supported Linux operating system. This guide…

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How to Install the Apache Web Server on Ubuntu 18.04


This guide will help you install the Apache web server on an Ubuntu Linux 18.04 operating system. Ubuntu 18.04, also known by its codename “Bionic Beaver,” is an LTS (Long-Term Support) release. The Apache Web Server is a software package that turns…

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How To Add User To Sudoers & Add User To Sudo Group on Ubuntu


The sudo command is the preferred means to handle elevated permissions. Standard user accounts are restricted from performing sensitive tasks, such as viewing the contents of the /root directory. This prevents the accidental use of commands with…

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How To Install Node.js & NPM on Ubuntu 18.04


Node.js is an open-source cross-platform JavaScript (JS) runtime environment. It is used for building fast and scalable network applications. Learn three different options to install Node.js and npm on Ubuntu 18.04. 

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How to Install the LAMP Stack on Ubuntu 18.04


A LAMP stack is a set of open source software used for web application development. For a web application to work, it has to include an operating system, a web server, a database and, a programming language. Learn how to install and set up a LAMP…

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How to Change Hostname on Ubuntu 18.04


Learn The Simple Way How to Change Hostname on Ubuntu 18.04. Multiple options, including using Linux command line tools.

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How To Install Ruby on Ubuntu 18.04


In this article, you will find three options to install Ruby for Ubuntu 18.04 – either from the Ubuntu repository or from third-party tools (RVM or rbenv).

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