Administration Section
We will use Gitlab CI and manual GitOps to implement and utilize Canary deployment in Kubernetes. Articles in this series: (this article) Canary Deployment using ArgoCI, Canary Deployment using Istio, Canary Deployment using Jenkins-X, Istio Flagger. We will perform Canary deployment manually through GitOps and create/modify core Kubernetes resources. This article is intended for the first […]
Cisco StealthWatch is a security analytics solution that provides comprehensive threat monitoring across a distributed network. The operation of StealthWatch is based on collecting NetFlow and IPFIX from routers, switches, and other network devices. As a result, the network becomes a sensitive sensor, allowing the administrator to peek into areas inaccessible to traditional network protection methods, such as Next Generation […]
Continuing our series of articles on NGFW for small businesses, I would like to remind you that we are examining the new 1500 series model range. In the first part of the series, I mentioned one of the most useful options when purchasing an SMB device — the provision of gateways with built-in Mobile Access licenses (from 100 to 200 users, depending on the model). In this article, we […]
We present the latest update for Windows Terminal Preview, which will appear in Windows Terminal in August. You can download Windows Terminal Preview and Windows Terminal from the Microsoft Store or from the releases page on GitHub. Check below to learn about the latest features! Focus Mode The introduced feature hides tabs and the title bar. In this mode, only the terminal content is displayed. […]
The main goal of Patroni is to provide High Availability for PostgreSQL. However, Patroni is just a template, not a ready-made tool (as stated in the documentation). At first glance, configuring Patroni in a test lab shows what a wonderful tool it is and how easily it handles our attempts to break the cluster. However, in practice, in a production environment […]
There are many backup systems, but what to do if the servers we maintain are spread across different regions and clients, and we need to manage with the operating system's tools? Good day, Habr! My name is Natalia. I am the team lead of the application administrators group at NPO Krista. We provide Ops for our company's project group. Our situation is quite unique: we install and support our software as […]
The main goal of this article is to introduce those interested in lighting equipment to the technical solutions used by dishonest manufacturers from the Middle Kingdom to create counterfeit products that imitate well-known brands. Here, I will present my subjective opinion as someone who has encountered such equipment firsthand. This article should not be considered as a guide for action, so there will be no links […]
It is known that process flows created in Pega do not conform to any open standard, even though they resemble BPMN patterns. People who want to make the jump start their migration from Pega to Camunda by manually redrawing processes in the Modeler. However, manually redrawing process flows is tedious and time-consuming, especially if there are many of them or […]
What should you consider when choosing a VPN router for a distributed network? And what features should it have? This is the focus of our review of the ZyWALL VPN1000. Introduction Until now, most of our publications have been dedicated to smaller VPN devices for network access from remote locations. For example, for connecting various branches to the headquarters, accessing the network of small standalone […]
Hello, I am Dmitry Logvinenko — Data Engineer in the analytics department of the "Vezet" group of companies. I will tell you about a wonderful tool for developing ETL processes — Apache Airflow. However, Airflow is so versatile and multifaceted that you should consider it even if you are not dealing with data streams but need to periodically run certain processes and monitor their execution. […]
Switch, the operator of the Citadel Campus data center, along with Capital Dynamics, plans to invest $1.3 billion in creating a system of solar power plants and battery storage. The system will be quite large, with a total capacity of 555 MW from the solar plants and a total capacity of the Tesla Megapack "mega battery" of 800 MWh. Solar panels will be supplied by First Solar. According to the partners, the systems […]
In this article, we will explore what smart contracts are, the different types that exist, familiarize ourselves with various smart contract platforms and their features, as well as discuss how they work and the advantages they may offer. This material will be very useful for readers who are not very familiar with the topic of smart contracts but want to get closer to understanding it. Regular contract vs. smart contract […]