Heading: Administration

Client analytics systems

Imagine that you are an aspiring entrepreneur who has just made a website and a mobile application (for example, for a donut shop). You want to connect custom analytics on a small budget, but don't know how. Everyone around uses Mixpanel, Facebook analytics, Yandex.Metrika and other systems, but it is not clear what to choose and how to use. What are analytics systems? First of all, it must be said that […]

Server analytics systems

This is the second part of a series of articles on analytical systems (link to part 1). Today, there is no doubt that the accurate processing of data and the interpretation of results can help almost any type of business. In this regard, analytical systems are becoming more and more loaded with parameters, the number of triggers and user events in applications is growing. Because of this, companies give their analysts […]

DHCP+Mysql server in Python

The purpose of this project was: Learning the DHCP protocol when working on an IPv4 network Learning Python (a little more than from scratch 😉 ) replacing the DB2DHCP server (my fork), the original is here, which is getting harder and harder to assemble for a new OS. Yes, and I don’t like that the binary, which is not possible to “change right now” getting a working DHCP server with […]

Increase the level of network protection by using a cloud analyzer

In the view of inexperienced people, the work of a security administrator looks like an exciting duel between an anti-hacker and evil hackers who intrude into the corporate network every now and then. And our hero in real time, with a deft and quick introduction of commands, beats off daring attacks and, as a result, emerges as a brilliant winner. Directly royal musketeer with a keyboard instead of a sword and a musket. And on […]

Bash scripts: getting started

Bash Scripts Getting Started Bash Scripts Part 2: Loops Bash Scripts Part 3: Command Line Options and Switches Bash Scripts Part 4: Input and Output Bash Scripts Part 5: Signals, Background Tasks, Managing Bash Scripts -scripts, part 6: functions and library development Bash scripts, part 7: sed and word processing Bash scripts, part 8: data processing language awk Bash scripts, part 9: regular expressions Bash scripts, […]

[bookmarked] Bash for beginners: 21 useful commands

The material, the translation of which we publish today, is intended for those who want to master the Linux command line. The ability to use this tool effectively can save a lot of time. In particular, we will talk about the Bash shell and 21 useful commands here. We'll also talk about how to use command flags and Bash aliases to speed up typing long […]

“Game for money outside the blockchain must die”

Dmitry Pichulin, known by the nickname “deemru”, became the winner of the Fhloston Paradise game developed by Tradisys on the Waves blockchain. To win the game, the player had to place the most recent bet during the 60 block period before another player bet, thereby resetting the counter. The winner got all the money wagered by other players. Dmitry won the victory […]

Useful and not so public services

How prettier the Internet has become with ... or what useful (and not so) public services can be obtained online. Am I an addict? Grandma's court at the entrance thinks yes (in fact, no - I always greeted them, and now there is a certificate!). Was I a convict? There is no information, says another reference. Did I go through a dispensary? Definitely yes, […]

High-quality Wi-Fi is the basis of modern hospitality and the engine of business

High-speed Wi-Fi is one of the foundations of hotel hospitality. Going on a trip and choosing a hotel, each of us takes into account the availability of Wi-Fi. Timely receipt of the necessary or desirable information is an extremely important category, and the fact that a modern hotel should have Internet access via Wi-Fi in the asset of its services is out of the question, but […]

Unity Package Manager

Unity is a platform that has been around for a long time and is constantly evolving. However, when working with several projects at the same time, you can still face difficulties in using common sources (.cs), libraries (.dll) and other assets (images, sounds, models, prefabs). In this article, we will talk about our experience with a native solution to such a problem for Unity. Methods […]

How We Used Lazy Replication for Disaster Recovery with PostgreSQL

Replication is not a backup. Or not? Here's how we used lazy replication for recovery by accidentally deleting shortcuts. The infrastructure specialists at GitLab are responsible for running GitLab.com, the largest instance of GitLab in nature. With 3 million users and almost 7 million projects, it is one of the largest open source SaaS sites with a dedicated architecture. Without a system […]