Blog Section
Hello, Habr! Do you enjoy flying on planes? I love it, but during self-isolation, I've also started analyzing data on airfares from a well-known resource — Aviasales. Today we will explore Amazon Kinesis, build a streaming system with real-time analytics, set up the NoSQL database Amazon DynamoDB as the main data warehouse, and configure alerts via SMS for interesting […]
Note: This is a translation of a public postmortem from the engineering blog of Preply. It describes an issue with conntrack in a Kubernetes cluster that led to partial downtime of certain production services. This article may be useful for those who want to learn a bit more about postmortems or prevent potential DNS issues in the future. This is not DNS It cannot be […]
Creative Assembly and SEGA have announced Total War: Elysium—a collectible card game that will be distributed under a freemium model. In the project, players will form decks from various historical figures and troops, with all events taking place in the fictional city of Elysium. According to the PCGamesN resource citing the official press release, the project resembles other representatives of the genre, and […]
As technology companies experiment with various ways to launch products during the era of social distancing, Google has announced that the first public beta of the Android 11 platform will be presented on June 3 during an online broadcast on YouTube. The company has released a promotional video for the online event The Beta Launch Show, scheduled for the mentioned date. It is expected that this event will […]
The release of the free distribution OpenIndiana 2020.04 has taken place, succeeding the binary distribution OpenSolaris, the development of which was discontinued by Oracle. OpenIndiana provides users with a working environment built on a fresh slice of the Illumos project codebase. The development of OpenSolaris technologies continues through the Illumos project, which is advancing the kernel, network stack, file systems, drivers, and the basic set of user system utilities […]
The release of the specialized distribution Tails 4.6 (The Amnesic Incognito Live System) has been formed, based on the Debian package base and designed to ensure anonymous internet access. Anonymous access in Tails is provided by the Tor system. All connections, except for traffic through the Tor network, are by default blocked by a packet filter. For storing user data in save mode between sessions, […]
Firefox 76 is available. Password Manager: It now warns you if your saved login and password for a site were compromised in a leak associated with that site, as well as if the saved password was found in a leak from another site (which is why it's advisable to use unique passwords). The leak check does not expose the user's logins and passwords to the remote server: the login and […]
Preface Just a week ago, I wrote a paper on the topic indicated in the title and found that, shall we say, there isn't much enlightening information available online. Mostly dry facts and setup instructions. Therefore, I decided to tweak the text a bit and post it as an article. What is FTP FTP (File Transfer Protocol) – […]
The National Environmental Satellite, Data, and Information Service (NESDIS) has reduced its operating costs for managing Red Hat Enterprise Linux (RHEL) by 35% by transitioning from Puppet Enterprise to Ansible Tower. In this "how we did it" video, Systems Engineer Michael Rau explains the rationale behind this migration, shares useful tips, and discusses the experiences gained from the transition from […]
Good day everyone. I will start with a backstory about what prompted me to conduct this research, but first, I must warn you: all practical actions were performed with the consent of management structures. Any attempt to use this material for unauthorized access to restricted areas is a criminal offense. It all began when I was cleaning my desk, I […]
The release of the Firefox 76 web browser and the mobile version Firefox 68.8 for the Android platform has taken place. Additionally, an update for the long-term support branch 68.8.0 has been created. Soon, the Firefox 77 branch will enter beta testing, with a release scheduled for June 2. Key innovations: The capabilities of the built-in Lockwise extension have been expanded, offering the 'about:logins' interface for […]
A Canonical employee, promoting Ubuntu on WSL and Hyper-V, posted a video of Microsoft Word and Excel running on Ubuntu 20.04 without using Wine or WSL. The launch of MS Word was characterized as follows: 'The program runs quite quickly on a system with an Intel Core i5 6300U processor with integrated graphics. This is not launched through Wine; it’s not a remote desktop […]
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