CoreOS

How To SSH Securely with Kryptonite on the cloud provider — step-by-step Linux tutorial on Progressive Robot

How To SSH Securely with Kryptonite on the cloud provider

SSH is the primary way of connecting to remote Linux servers. Securing this channel is essential to maintaining a secure infrastructure. Kryptonite is a secure solution to protecting your SSH private key. In this guide, you will generate an SSH key pair with Kryptonite on your phone, pair your phone with your local computer, and use Kryptonite to SSH into a cloud servers.

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How To Troubleshoot Common Issues with your CoreOS Servers — step-by-step Docker tutorial on Progressive Robot

How To Troubleshoot Common Issues with your CoreOS Servers

CoreOS is an extremely powerful operating system focused on cluster management, security, and containerized service deployments. However, the unconventional way that the system is set up can make troubleshooting somewhat difficult. In this guide, we’ll cover the basics of how to track down issues in your deployment as well as your services.

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How To Use Confd and Etcd to Dynamically Reconfigure Services in CoreOS — step-by-step Web Servers tutorial on Progressive Robot

How To Use Confd and Etcd to Dynamically Reconfigure Services in CoreOS

Etcd is a globally distributed key-value store that is available in CoreOS installations. By registering services in this store, related applications can adjust their configuration based on the values available. In this guide, we will demonstrate how to configure `confd` to monitor `etcd` in order to dynamically generate an Nginx configuration. Continuous polling of `etcd` allows us to configure Nginx as a load balancer that adjusts its list of backend servers as they are started or stopped.

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What is Kubernetes? — step-by-step Docker tutorial on Progressive Robot

What is Kubernetes?

Kubernetes is a container management system meant to be deployed on Docker-capable clustered environments. In this guide, we will discuss some of the basic concepts that Kubernetes introduces. We will discuss some of the design decisions and what makes this different from other cluster-related technologies.

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Installing phpMyAdmin on Ajenti V — step-by-step Linux tutorial on Progressive Robot

Installing phpMyAdmin on Ajenti V

phpMyAdmin is a free, web-facing control panel that can access and edit MySQL databases hosted on your server. It integrates with all existing and future databases on your Ajenti server automatically.

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