Author: David Singer

What is Rancher K3s?

K3s is an official Cloud Native Computing Foundation sandbox project that brings a lightweight, fully compliant Kubernetes distribution designed for lower resource production models like remote locations or on an IoT device. When used in conjunction with Rancher, K3s can easily be managed from within the Rancher orchestration platform.

Zero Trust security is the concept, methodology, and threat model that assumes no user, system, or service operating within a secured internal environment should be automatically trusted. It put forward that every interaction must be verified when trying to connect to a system before being granted access. This concept uses micro-segmentation, and granular edge controls based on user rights, application access levels, service usage, and relation to the location to determine whether to trust a user, machine, or application seeking to access a specific part of an organization.

What is lsyncd?

lsyncd is a rsync-based tool that monitors specified directories (including subdirectories) for updates and modifications, and then syncs those changes to a specified destination. It is a lightweight command application that is easy to install and configure using the popular Lua language.

In this article, we will explore the newest methods to install or update to the latest version of Python on our Ubuntu system. 

What is Apache Bench? 

Apache Bench is a benchmarking tool that is included with the Apache web server software. It is designed to provide an impression of how our Apache installation will perform under different circumstances. Specifically, it shows us how many requests per second our Apache installation can serve.

What is PyCharm?

PyCharm is an Integrated Development Environment (or IDE) for the Python programming language. It is a cross-platform development environment that is compatible with Windows, macOS, and Linux. It provides a tool that integrates code analysis, graphical debugging, unit testing, and an integrated terminal that supports development on remote hosts and virtual machines. 

What is a Hosts File?

The hosts file is a local plain text file that maps servers or hostnames to IP addresses. This file has been in use since the time of ARPANET. It was the original method to resolve hostnames to a specific IP address. The hosts file is usually the first process in the domain name resolution procedure. Here is an example of a hosts file entry.

One of the most powerful tools available to anyone working on their site during a migration is their computer's "hosts" file. The hosts file is used to map domain names to IP addresses, and can be used as an alternative to DNS. It also allows you to specify the IP address to which a website resolves on your computer, regardless of what may be published in the site's DNS zone file.

What is OpenVPN?

As noted previously in our OpenVPN article, this is an open-source Windows software package used to create a secure, site-to-site tunneled VPN connection that provides remote access between two locations. In this tutorial, we will be setting up an OpenVPN server on a Windows server.

The Oracle Java 8 is a programming language that creates many of the applications and websites in use today.  Its ubiquitous and stable nature makes it a favorite amongst Google and Android developers for the last 20 years. If you have a Liquid Web Core Managed Ubuntu LTS VPS server, contact our support team for help with installation.  Otherwise, this tutorial guides you through how to install Java 8 (Java Development Kit) and set the path of the JAVA_HOME variable.