#Linux

Demystifying Kubernetes Operators: Creation, Benefits, and Use Cases

Introduction Kubernetes is a powerful container orchestration platform that automates the deployment, scaling, and management of containerized applications. As Kubernetes continues to evolve, one of the concepts that has gained significant traction is the Kubernetes Operator. Operators extend the functionality of Kubernetes and provide a way to automate complex tasks, allowing users to manage applications and resources more efficiently.

SFTP Port Forwarding: Enabling Suppressed Functionality

The SSH protocol enables three major classes of remote server activities: a) command execution (including a login shell), b) network forwarding and manipulation, and c) file transfer. In this article you will learn two techniques to enable these suppressed features, by either modifying strings in the sftp binary itself, or by redirection through shells that are able to easily edit the command line. Depending upon the capabilities of the platform, either technique might be required to achieve this goal.

Monitoring Oracle Servers With Checkmk

Databases are essential for many IT processes. Their performance and reliability depends on many factors and it makes sense to use a dedicated tool that helps you to stay on top of things. Monitoring your database with an external tool helps you identify performance issues proactively, but there are many factors to consider. With the wrong approach, you run the risk of missing valuable information and also can waste a lot of time configuring your database monitoring.

How To Pick a Linux Distribution for Non-Techies

I have suffered from distrohopping. Now that I have settled for the last two years, here are some tips to save your time. All distros run the same operating system at their core, Linux. They are more similar than different. Hence, the marginal cost (time) of looking for a better distro is much more than the marginal benefit of it.

Installing LibreOffice On Slackware 15

There is a way to install a fully-functional, latest-greatest, LibreOffice on our Slackware 15.0 computers and use it. The best part is that it's not difficult to do...at least, not now that you have this handy-dandy HOW-TO document to follow.

SQLite for Secrecy Management - Tools and Methods

SQLite is a storage platform of the highest caliber. When used correctly, it provides availability in the context of the recovery of an OS instance. The manipulation of permissions it leaves to the user, and best practices for its use in secrecy management are outlined in this article.

Pwndrop on Linode

When I first ran across PwnDrop, I was intrigued at what the developers had in mind with it. In this tutorial, we're going to look at how easy it is to set up and use in just a few minutes.

FileRun on Linode

You may want to set up a file server like FileRun for any number of reasons. The main reason, I would think, would be so you can have your own Google Drive alternative that is under your control instead of Google's. So let's take a look at it.

Static Site Generation with Hugo

Hugo is quickly becoming one of the best ways to create a website. Hugo is a free and open source static website generator that allows you to build beautiful static websites with ease. Static websites are awesome because they take very little system resources to host. Compared to something like Wordpress that replies on databases, php, and more static sites are simply HTML, CSS, and the occasional line JavaScript. So static sites are perfect for simple blogs, documentation sites, portfolios, and more.

How to Use Sar (System Activity Reporter)

In this article, we're going to take a look at the System Activity Reporter, also known as the sar command. This command will help us with seeing a historical view of the performance of our server. You'll see examples of installing it, running it manually, and more. Let's get started!

How to Use the rsync Command

One of my favorite utilities on the Linux command-line, and block storage is one of my favorite features on Linode's platform, so in this article I get to combine both of these together - because what I'm going to be doing is show you how to use rsync to copy data from one server to another, in the form of a backup. What's really cool about this, is that this example will utilize block storage.

How To Install Nextcloud On An Ubuntu Server

This article will walk you through the manual installation method. While this method has more steps, by the end you'd have built your very own Nextcloud server from scratch, which will be not only a valuable learning experience - you'll become intimately familiar with the process of setting up Nextcloud. Let's get started!

The Echo Command

In this article, we're going to look at the echo command, which is useful for showing text on the terminal, as well as the contents of variables. Let's get started!

Everything You Need to Know about Linux Input-Output Redirection

Are you looking for information related to the Linux input-output redirection? Then, read on. So, what’s redirection? Redirection is a Linux feature. With the help of it, you are able to change standard I/O devices. In Linux, when you enter a command as an input, you receive an output. It’s the basic workflow of Linux.