Administration Section
This article will compare backup solutions, but first, it’s important to understand how quickly and efficiently they handle data recovery from backups. For the sake of comparison, we will consider restoration from a full backup, especially since this mode is supported by all candidates. For simplicity, the figures taken are already averaged (the arithmetic mean from several runs). […]
Check Point kicked off 2019 with a flurry of announcements. It’s not possible to cover everything in a single article, so let’s start with the most significant — Check Point Maestro Hyperscale Network Security. Maestro is a new scalable platform that enables the security gateway's 'power' to scale to 'impressive' numbers nearly linearly, achieved primarily through load balancing.
Options for using network visibility solutions What is network visibility? Visibility is defined by Webster's dictionary as 'the ability to be easily seen' or 'the degree of clarity.' Network visibility refers to the removal of blind spots that hide the ability to easily see (or quantitatively determine) what is happening in the network and/or applications on the network. This visibility allows IT teams […]
We are posting video recordings of talks from the Selectel MeetUp: system administration. A brief background on Selectel MeetUp — these are gatherings with short presentations and live discussions. The idea of the event is simple: to listen to great speakers, interact with colleagues, exchange experiences, share your problems, and hear how others have resolved them. In general, all that is called networking in the IT community. We warmed up with small […]
Hello, Habr! According to statistics, 80% of data becomes outdated within 90 days and is no longer actively used. All this data needs to be stored somewhere, ideally at the lowest cost. At the same time, quick and easy access is necessary if needed. Recently, the conversation has mainly revolved around the transfer and storage of data in the cloud, implying that it […]
Hello everyone! In this article, I would like to share how the IT team from the online hotel booking service Ostrovok.ru organized live broadcasts of various corporate events. The Ostrovok.ru office features a special meeting room called "Big." Every day, it hosts both formal and informal events: team meetings, presentations, training sessions, workshops, interviews with guest speakers, and other interesting happenings. The staff […]
Users cannot be trusted. Mostly, they are lazy and choose comfort over security. According to statistics, 21% write their passwords for work accounts on paper, and 50% use the same passwords for work and personal services. The environment is also hostile. 74% of organizations allow personal devices to be brought to work and connected to the corporate network. 94% of users cannot distinguish the real from […]
For those who need to ensure access to their servers from anywhere in the world via SSH/RDP/other — a small RTFM cheat sheet. We need to manage without VPN and other complexities, from any device at hand. And it should be easy to handle the server. All that is needed — knockd, skilled hands, and 5 minutes of work. "On the internet […
About six months ago, I decided to create a program to manage a computer through a browser. I started with a simple single-socket HTTP server that sent images to the browser and received cursor coordinates for control. At a certain point, I realized that WebRTC technology is well-suited for this purpose. Chrome browser offers such a solution, which is installed via an extension. However, I wanted to create a lightweight program, […]
Today, Wednesday, marks the release of Kubernetes — 1.16. Following the tradition of our blog, this is the tenth time we're discussing the most significant changes in the new version. The information used to prepare this material comes from the Kubernetes enhancements tracking table, CHANGELOG-1.16, and related issues, pull requests, as well as Kubernetes Enhancement Proposals […]
Note: The article was written by Scott Lowe — a seasoned IT engineer and the author/co-author of seven printed books (mostly on VMware vSphere). He currently works for its subsidiary VMware — Heptio (acquired in 2016), specializing in cloud computing and Kubernetes. The text serves as a concise and easy-to-understand introduction to configuration management […]
We present to you the third part of the translation of the material about the journey undertaken by Dropbox in implementing a Python type-checking system. → Previous parts: first and second Achieving 4 million lines of typed code Another critical task (this was the second most popular issue concerning those who participated in internal surveys) was increasing the amount of code in Dropbox, […]