ProHoster > Articles by: ProHoster

Author: ProHoster

Full multi-tenancy in Zimbra OSE with Zextras Admin

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Multitenancy is one of the most effective models for providing IT services today. A single instance of the application, running on one server infrastructure, but which is at the same time accessible to many users and enterprises, allows you to minimize the cost of providing IT services and achieve their maximum quality. The Zimbra Collaboration Suite Open-Source Edition architecture was originally designed with the idea of ​​multitenancy in mind. Thanks to this, […]

How can an IT specialist get a job abroad?

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We tell you who is expected abroad and answer awkward questions about the relocation of IT specialists to England and Germany. We at Nitro are often sent resumes. We carefully translate each of them and send it to the client. And we mentally wish good luck to the person who decides to change something in his life. Change is always for the better, isn't it? 😉 Do you want to know, they are waiting [...]

12 books we have read

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Do you want to understand people better? Find out how to strengthen willpower, increase personal and professional effectiveness, and improve emotion management? Below the cut you will find a list of books for developing these and other skills. Of course, the authors’ advice is not a cure for all ills, and they are not suitable for everyone. But think a little about what you are doing wrong (or, conversely, what […]

Organizers and Teaching Assistants about CS Center Online Programs

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On November 14, the CS Center launches for the third time the online programs “Algorithms and Efficient Computing”, “Mathematics for Developers” and “Development in C++, Java and Haskell”. They are designed to help you dive into a new area and lay the foundation for learning and working in IT. To enroll, you will need to immerse yourself in the learning environment and pass an entrance exam. Read more about […]

Album Player for Linux Released

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Album Player for Linux is a freely distributed (Freeware) music file player for the Linux operating system. Supports remote control over the network via a web interface and UPnP/DLNA renderer mode. File formats that can be played are WAV, FLAC, APE, WavPack, ALAC, AIFF, AAC, OGG, MP3, MP4, DFF, DSF, OPUS, TAK, WMA, SACD ISO, DVD-A. DSD file output is supported in Native DSD, DoP […]

A broad Ukrainian Dunno or How the people of Kiev did not guess

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Friday evening, a good reason to remember your golden childhood. I recently spoke with a game maker I know, and he quite seriously convinced me that the main reason for the current crisis in the gaming industry is the lack of memorable images. Previously, they say, good toys contained images that were dead stuck in the user’s memory - even purely visually. And now all the games are faceless, indistinguishable, [...]

How Lighting Affects Game Design and Experience

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In anticipation of the PS5 and Project Scarlett, which will support ray tracing, I started thinking about lighting in games. I found material where the author explains what light is, how it affects design, changes gameplay, aesthetics and experience. All with examples and screenshots. During the game you don’t immediately notice this. Introduction Lighting is needed not only for [...]

Solving all 42 versions of the Harry Potter potion puzzle

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There is an interesting riddle at the end of Harry Potter and the Philosopher's Stone. Harry and Hermione enter the room, after which the entrances to it are blocked by magical fire, and they can leave it only by solving the following riddle: There is danger in front of you, and salvation behind you. Two people you find among us will help you; With one of the seven forward […]

OpenBSD 6.6 released

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On October 17, a new release of the OpenBSD operating system took place - OpenBSD 6.6. Release cover: https://www.openbsd.org/images/sixdotsix.gif Main changes in the release: Now the transition to a new release can be done through the sysupgrade utility. On release 6.5 it is supplied through the syspatch utility. The transition from 6.5 to 6.6 is possible on amd64, arm64, i386 architectures. Added amdgpu(4) driver. startx and xinit are now back […]

PDU and all-all-all: rack power distribution

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One of the internal virtualization racks. We got confused with the color indication of the cables: orange means odd power input, green means even. Here we most often talk about “large equipment” - chillers, diesel generator sets, main switchboards. Today we will talk about “little things” - sockets in racks, also known as Power Distribution Unit (PDU). Our data centers have more than 4 thousand racks filled with IT equipment, so […]

Why is it useful to reinvent the wheel?

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The other day I interviewed a JavaScript developer who was applying for a senior position. A colleague, who was also present at the interview, asked the candidate to write a function that would make an HTTP request and, if unsuccessful, retry several times. He wrote the code directly on the board, so it would be enough to draw something approximate. If he just showed that […]

Ubuntu 19.10 Eoan Ermine

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On October 18, 2019, the next iteration of the popular GNU/Linux distribution, Ubuntu 19.10, was released, codenamed Eoan Ermine (Rising Ermine). Main innovations: ZFS support in the installer. The ZFS On Linux driver version 0.8.1 is used. ISO images contain proprietary NVIDIA drivers: along with free drivers, you can now choose proprietary ones. Accelerates system loading thanks to the use of a new compression algorithm. […]

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