kubectl basics

Here are some of the basic kubectl commands.

Docker behind a proxy

Docker does not use environment variables for proxy configuration. This article presents how to configure Docker to use a proxy.

Self hosted Docker registry

When using the <code>docker pull</code> command, container images are by default downloaded from docker hub, the official public registry for container images. However, for some projects, images are better stored on a private platform. This can be achieved by hosting one's own docker registry.

Docker HTTP (insecure) registry

By default Docker refuses to push/pull from registries that are not served using HTTPS.

NodeJS app dockerization

NodeJS apps can be containerized using the <code>docker build</code> command. This article is based on <a href="" rel="noopener noreferrer nofollow">this guide</a>.

Testing in NodeJS with Mocha

Mocha is a popular testing framework for NodeJS. it can be installed using npm:

Puppeteer setup for NodeJS

Puppeteer is a headless browser with which NodeJS can interact to automate web pages manipulation.

NodeJS modules

A JavaScript file can be imported as a module into another file using the <code>require</code> command. For example, he file myPackage.js can be imported as so:

SSH through an SSH blocking proxy

SSH through an SSH blocking proxy thumbnail
Most corporate networks have their outbound traffic go through a proxy server to prevent unauthorized access to external resources. It can happen that such proxy only allows HTTP and HTTPS traffic. As such, one cannot connect to an external host via SSH. One way to solve this problem is to use <a href="" rel="noopener noreferrer nofollow">Proxytunnel</a>. This article follows <a href="" rel="noopener noreferrer nofollow">this guide</a>.

Nextcloud Apache2 configuration

Here is an example configuration file to use Nextcloud with an Apache2 server in Ubuntu. Here, it is assumed that nextcloud install is located in <code>/var/www/</code>