Ubuntu

Installing and Using dig in Ubuntu

dig is an awesome utility for querying DNS name servers. It performs DNS lookups and displays the answers that are returned from the name server(s) that were queried. In this guide, you'll learn how

Installing Security Updates in Ubuntu

To begin installing security updates, the first thing is to update your repository index, which would instruct the server to check all lists of packages that are new or out-dated. Update your repo wi

Securing Apache Server Using a (Self Signed Certificate) [Ubuntu]

In this guide, you'll learn how to use SSL to secure Apache, this way, you can ensure your websites are encrypted and available over HTTPS. By default, Apache configuration listens for traffic on por

Securing Apache Server Using (Let's Encrypt) [Ubuntu]

In this guide, you'll learn how to use secure your Apache server for free with Let's Encrypt, this way, you can ensure your websites are encrypted and available over HTTPS. Let's Encrypt provide free

Simple Way to Fix SSH Permission Denied (Public key) error

Most of the time when you encounter permission denied (public key) error, it is not because the public key doesn't exist but because the private key can't find the public key. If you are connecting f

Securing Nginx Server Using (Let's Encrypt) [Ubuntu]

In this guide, you'll learn how to use secure your Nginx server for free with Let's Encrypt, this way, you can ensure your websites are encrypted and available over HTTPS. Let's Encrypt provide free

Installing and Configuring Nginx

Nginx or engine X is a free and open-source web server, reverse proxying, load balancer, caching, and more. Apache isn't the only web server for hosting web content (although, it is the most used), N

Securing Nginx Server Using a (Self Signed Certificate) [Ubuntu]

In this guide, you'll learn how to use SSL to secure your Nginx, this way, you can ensure your websites are encrypted and available over HTTPS. By default, Nginx configuration listens for traffic on

Installing, Understanding and Configuring Apache (Ubuntu)

Apache is an open-source cross-platform web server software by Apache Software Foundation. To install apache, simply install the apache2 package as follows: sudo apt install apache2 Confirm apache2

Installing Additional Apache Modules

If you want to add additional modules for Apache extension. You can install additional modules, for example, you can install module to add support for PHP, and the likes. Run the following command to

How to Rename Files and Directories in GNU/Linux

Renaming file and directory is quite straight forward in GNU/Linux, in this guide I'll show you how to do just that... The mv command is among the useful utility for renaming, and moving files from o

Installing MariaDB (Ubuntu)

MariaDB is an open-source relational database, and a fork of MySQL by the original developers of MySQL. The database structure and indexes of MariaDB are the same as MySQL. So, you can easily switch

Transferring files with scp In [Ubuntu]

I recently wrote a basic guide on transferring files with rsync, and I outlined some examples, while rsync is really powerful, the major problem I have with it is that it doesn't support the transfer

Transferring files with rsync In [Ubuntu]

If you are coming from a GUI world, then you know transferring files from one location or folder to another is as easy as doing a few mouse clicks, the way it works in GNU/Linux is a bit different, a

Beginners Guide To Using (htop) In Ubuntu

In your server, there are lots of ways you could view a system resource usage, as well as the ability to kill a misbehaving or resource hog processes, for example, you can use the kill command to gra

Understanding Load Average In GNU/Linux

Load average is the average number of processes that is calculated over a period of time, they can either be in a runnable or uninterrupted‐able state. When a process is in a runnable state, it is

Changing the MariaDb Configuration Files

You can tune MariaDB to your liken using the MariaDB’s option files. The default MariaDB option file is called my.cnf on Unix-like operating systems (i.e Ubuntu, Debian, and the likes), if you are

Understanding & Displaying Running Processes In Ubuntu

Processes are tasks or program that is running, these processes might as well be a daemon (background task). In this guide, you will learn how to determine the process running on your system, as wel

Managing Jobs In Ubuntu (Minimize Processes)

In this guide, you will learn how to minimize processes, and work on other stuff while the process is still going on, this is similar to the way you would...

Dealing With Misbehaving Processes in Ubuntu

If you are used to the Windows system, you would have likely come across a misbehaving application, which can most likely be killed using the Task Manager. This is similar in GNU/Linux, the only diff