Administration Section
Situation I received a demo of the C-Terra VPN version 4.3 for three months. I want to figure out if my engineering life will be easier after switching to the new version. Today, it’s not difficult; one sachet of 3-in-1 instant coffee should be enough. I will explain how to obtain demos. I will try to collect GRE-over-IPsec and IPsec-over-GRE schemes. How to get the demo From the diagram, it follows that to obtain […]
My name is Viktor Yagofarov, and I am involved in the development of the Kubernetes platform at DomClick as the technical lead of the Ops (operations) development team. I would like to discuss our Dev <-> Ops processes, the specifics of operating one of the largest k8s clusters in Russia, as well as the DevOps/SRE practices employed by our team. The Ops Team In the Ops team […]
One of the main trends in the access control systems market is the simplification of integration with other systems: video surveillance systems, fire alarm systems, enterprise management, and ticketing systems. Integration Principles One way of integration is the transfer of SDK software to third-party applications to manage access control system controllers. When using web technologies, implementing SDK functions in JSON API format simplifies the integration process. For integration […]
ansible devops codestyle Hey! My name is Denis Kalyuzhny, and I work as an engineer in the development process automation department. Every day, new application builds are deployed on hundreds of the company's servers. In this article, I share my experience using Ansible for these purposes. This guide offers a way to organize variables in deployment. This guide is aimed at those who are already using roles […]
Tikhon Uskov, Integration Engineer at Zabbix Zabbix is a customizable platform used for monitoring any data. Since the earliest versions of Zabbix, monitoring administrators have had the ability to run various scripts via Actions for checks on target nodes in the network. However, running scripts led to several challenges, including the need for script maintenance and their […]
Company names with the SaaS prefix frequently appear in news, reviews, ratings, examples, and comparisons. Companies providing software as a service on a subscription or on-demand basis have always been in the spotlight, both among users of their services and those looking to invest in fast-growing tech businesses. In 2020, the need for social distancing left its mark on […]
The client interacts with the database. From the website http://corchaosis.ru, by the artist Jonathan Tiong. Besides being a programmer (mainly in Delphi + various DBMS, most recently ORACLE, + a bit of PHP), I have a hobby — buying and selling apartments. I purchase apartments during the construction phase from reasonably reliable developers at favorable […]
August 6, 1991, can be considered the second birthday of the Internet. On this day, Tim Berners-Lee launched the first website in the world on the first web server, accessible at info.cern.ch. The resource defined the concept of the 'World Wide Web' and included instructions for setting up a web server, using a browser, etc. This site was also the first Internet directory in the world, because later […]
Storage Corridor by St-Pete Hello everyone! I am Mons Anderson, the architect of the Mail.ru Cloud Solutions platform. I will share how we built our S3 storage, how it works, what solutions turned out to be successful, and what we would change if we were to start the same project from scratch now. This article is based on a presentation at the @Databases Meetup by Mail.ru Cloud Solutions & Tarantool. […]
Are you using Kubernetes? Ready to move your Camunda BPM instances from virtual machines, or maybe just try running them on Kubernetes? Let's look at some common configurations and individual components that can be tailored to your specific needs. It is assumed that you have used Kubernetes before. If not, why not check out the guide and run your first […]
Tired of endless code reviews or debugging, sometimes you wonder how to simplify your life. After a bit of searching, or perhaps by chance, you might come across the magical phrase: 'Static analysis'. Let's take a look at what it is and how it can interact with your project. Essentially, if you're writing in any modern language, then, even without realizing it, […]
What came first — the chicken or the egg? An unusual start for an article on Infrastructure-as-Code, isn't it? What is an egg? Most often, Infrastructure-as-Code (IaC) is a declarative way to represent infrastructure. In it, we describe the state we want to achieve, from the hardware to the software configuration. Therefore, IaC is used for: Resource Provision. This includes VMs, S3, VPC, and […]