Found 6 results

Setup a Private Docker Registry

Setting up a private Docker registry locally for our organisation or maybe for personal use can be seen as a must if we don’t want to expose publicly our custom Docker images. It is true that we can easily get a private repository if we would go for a paid subscription to one of the providers available out there on the market that are offering such services, but why doing so when we can simply do it by ourselves, internally, completely isolated and being under our control. Having a private Docker repository / registry will give us the ability to […]

Category: Docker | Published: 20/12/2019 | Updated: 31/12/2019

Generate SSH Key – Linux, Mac and Windows

In this quick tutorial, Generate SSH Key, we will learn more exactly how to generate a SSH Key in Linux or Mac using a terminal window and also in Windows using Putty. Before we start our little journey we should be clear about one thing, all SSH Keys consists of two parts, a Private Key and a Public Key. In this article we’ll generate both these keys and we’ll learn the importance but also the difference between these two. What is a Pivate Key As we said in our introduction a SSH Key contains a Private Key and a Public […]

Category: Security | Published: 09/02/2018 | Updated: 05/11/2018

Setup an SFTP Server on CentOS

Set up an SFTP server on CentOS is our next tutorial where we will guide you as always, step by step, how to build from scratch such a server. We all agree that an SFTP server can be quite handy or sometimes a must if for example one or more applications within our stack requires file transfer between different processing steps or maybe for backups. In this tutorial we will learn how to build an SFTP server on CentOS 7 and OpenSSH 7.4 and also providing you two authentication solutions, first one being based on using basic password authentication and […]

Category: General | Published: 08/11/2018 | Updated: 14/12/2018

How to generate CSR in Linux

In this example we will explain how to generateĀ CSR in Linux using shell prompt or terminal window. A CSR is mostly required when you want to secure for example a website or a connection between one or more services that requires a secure connection. Any SSL issuer will always ask you to generate and present a CSR. We’ve chose CentOS for this Certificate Signing Request example as our main operating system. Required packages First step is to make sure that we have openssl and openssl-devel packages installed and updated in order to generate our very first CSR. The package manager […]

Category: Security | Published: 24/01/2018 | Updated: 05/11/2018

Change Kubernetes Pods CIDR

Changing Kubernetes Pods CIDR (Classless Inter-Domain Routing) is our next tutorial where we will learn in just a few easy steps how to change the network mask / range for our Kubernetes environment. Kubernetes is considered one of the most mature and stable platform for Docker orchestration – at the time of writing this tutorial -, being used in production environments by many big names from the tech industry. Mastering Kubernetes is not an easy task, it really takes time and require a lot of practice, it is well known of having a not so easy learning curve. Here, in […]

Category: Kubernetes | Published: 19/12/2019 | Updated: 22/12/2019

What is GDPR

We all heard in the news about GDPR in 2018, but what is GDPR? In the first place GDPR or also known as EU General Data Protection Regulation is a decisive amendment in data privacy regulation from the last 20 years, it actually basis his provisions on the Data Protection Directive 95/46/EC and was particularly created to reconcile data privacy laws within Europe. The main difference regarding the legislative framework is given by the name itself GDPR – that means it is a regulation (a legally binding act) and not only a directive (an official or authoritative instruction that outlines […]

Category: Regulations | Published: 04/08/2018 | Updated: 05/11/2018