1065 lines
34 KiB
HTML
1065 lines
34 KiB
HTML
<!doctype html>
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<html
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lang="ru"
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dir="ltr"
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class="scroll-smooth"
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data-default-appearance="dark"
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data-auto-appearance="false"><head><script src="/livereload.js?mindelay=10&v=2&port=1313&path=livereload" data-no-instant defer></script>
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<meta charset="utf-8">
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<meta http-equiv="content-language" content="ru">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta http-equiv="X-UA-Compatible" content="ie=edge">
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<meta name="theme-color">
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<title>Кто это пишет и зачем · Олег Казанин</title>
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<meta name="title" content="Кто это пишет и зачем · Олег Казанин">
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<link rel="canonical" href="http://192.168.11.190:1313/about/">
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<meta name="author" content="Олег Казанин">
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<link href="https://t.me/oa_msk" rel="me">
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<link href="https://oakazanin.ru/" rel="me">
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<link href="https://git.jn4.ru/astronit" rel="me">
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<link href="https://obrtv.ru/a/chiefengineer" rel="me">
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<meta property="og:url" content="http://192.168.11.190:1313/about/">
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<meta property="og:site_name" content="Олег Казанин">
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<meta property="og:title" content="Кто это пишет и зачем">
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<meta property="og:locale" content="ru">
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<meta property="og:type" content="article">
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<meta property="article:published_time" content="2025-10-01T00:00:00+00:00">
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<meta property="article:modified_time" content="2025-10-01T00:00:00+00:00">
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<meta name="twitter:card" content="summary">
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<meta name="twitter:title" content="Кто это пишет и зачем">
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<link
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type="text/css"
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rel="stylesheet"
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href="/css/main.bundle.min.f7f4ea4d52ba0bdbea7d2aa148eb5d7e983ff2cae72189d5c1559a358b6970345d94eaef53a263ed180a9af4efa0eaff8d1be71018580e0826e3cc5959a0a23d.css"
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<script
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type="text/javascript"
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src="/js/appearance.min.a0c4d367419d691bf95fc98ffcaf55ce81db3412c3dfbd6c4fbe968f56f77347f5a8512b0916a65a5f496dbec1ef0590dbadcf2fbd0de3c919e525f11c32d0e3.js"
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<script src="/lib/zoom/zoom.min.umd.a527109b68c082a70f3697716dd72a9d5aa8b545cf800cecbbc7399f2ca6f6e0ce3e431f2062b48bbfa47c9ea42822714060bef309be073f49b9c0e30d318d7b.js" integrity="sha512-pScQm2jAgqcPNpdxbdcqnVqotUXPgAzsu8c5nyym9uDOPkMfIGK0i7+kfJ6kKCJxQGC+8wm+Bz9JucDjDTGNew=="></script>
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<script
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defer
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type="text/javascript"
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id="script-bundle"
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data-copy="Копировать"
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<script type="module" src="/js/firebase.min.cad74e0625f72f359ec6d6fed579b87733749de70400e7614048050ed08832ee3f58983d5d139fb1ddc5f7f2f5047d45ed80ec923534a3660fc3a7965f936866.js" integrity="sha512-ytdOBiX3LzWextb+1Xm4dzN0necEAOdhQEgFDtCIMu4/WJg9XROfsd3F9/L1BH1F7YDskjU0o2YPw6eWX5NoZg=="></script>
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<script id="firebase-config"
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<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
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<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
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<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png">
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<link rel="manifest" href="/site.webmanifest">
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<script type="application/ld+json">
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[{
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</head>
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<body class="flex flex-col h-screen m-auto leading-7 max-w-7xl px-6 sm:px-14 md:px-24 lg:px-32 text-lg bg-neutral text-neutral-900 dark:bg-neutral-800 dark:text-neutral bf-scrollbar">
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<div id="the-top" class="absolute flex self-center">
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<a
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class="px-3 py-1 text-sm -translate-y-8 rounded-b-lg bg-primary-200 focus:translate-y-0 dark:bg-neutral-600"
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href="#main-content">
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<span class="font-bold text-primary-600 pe-2 dark:text-primary-400">↓</span>
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Перейти к основному содержимому
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</a>
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</div>
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<div class="min-h-[148px]"></div>
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<div class="fixed inset-x-0 z-100">
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<div
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id="menu-blur"
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class="absolute opacity-0 inset-x-0 top-0 h-full single_hero_background nozoom backdrop-blur-2xl shadow-2xl bg-neutral/25 dark:bg-neutral-800/25"></div>
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<div class="relative m-auto leading-7 max-w-7xl px-6 sm:px-14 md:px-24 lg:px-32">
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<div class="main-menu flex items-center w-full gap-2 p-1 pl-0">
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<div>
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<a href="/" class="flex">
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<span class="sr-only">Олег Казанин</span>
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<img
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src="/img/logo.png"
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width="285"
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height="175"
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class="logo max-h-20 max-w-20 object-scale-down object-left nozoom"
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alt="">
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</a>
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</div>
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<div class="flex items-center ms-auto">
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<div class="hidden md:flex">
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<nav class="flex items-center gap-x-5 h-12">
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<a
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href="/about/"
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|
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class="flex items-center bf-icon-color-hover"
|
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aria-label="Об авторе"
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title="Кто это пишет и зачем">
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<span class="text-base font-medium break-normal">
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Об авторе
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</span>
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</a>
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<a
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href="/posts/"
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class="flex items-center bf-icon-color-hover"
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aria-label="Статьи"
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title="Статьи">
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<span class="text-base font-medium break-normal">
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Статьи
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</span>
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</a>
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<a
|
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href="/cheatsheets/"
|
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|
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class="flex items-center bf-icon-color-hover"
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aria-label="Шпаргалки"
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title="Шпаргалки">
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<span class="text-base font-medium break-normal">
|
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Шпаргалки
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</span>
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</a>
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<button
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id="search-button"
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aria-label="Search"
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class="text-base bf-icon-color-hover"
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title="Поиск (/)">
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<span class="relative block icon"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="search" class="svg-inline--fa fa-search fa-w-16" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M505 442.7L405.3 343c-4.5-4.5-10.6-7-17-7H372c27.6-35.3 44-79.7 44-128C416 93.1 322.9 0 208 0S0 93.1 0 208s93.1 208 208 208c48.3 0 92.7-16.4 128-44v16.3c0 6.4 2.5 12.5 7 17l99.7 99.7c9.4 9.4 24.6 9.4 33.9 0l28.3-28.3c9.4-9.4 9.4-24.6.1-34zM208 336c-70.7 0-128-57.2-128-128 0-70.7 57.2-128 128-128 70.7 0 128 57.2 128 128 0 70.7-57.2 128-128 128z"/></svg>
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</span>
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</button>
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<div class="flex items-center">
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<button
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||
id="appearance-switcher"
|
||
aria-label="Dark mode switcher"
|
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type="button"
|
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class="text-base bf-icon-color-hover">
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<div class="flex items-center justify-center dark:hidden">
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<span class="relative block icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M32 256c0-123.8 100.3-224 223.8-224c11.36 0 29.7 1.668 40.9 3.746c9.616 1.777 11.75 14.63 3.279 19.44C245 86.5 211.2 144.6 211.2 207.8c0 109.7 99.71 193 208.3 172.3c9.561-1.805 16.28 9.324 10.11 16.95C387.9 448.6 324.8 480 255.8 480C132.1 480 32 379.6 32 256z"/></svg>
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</span>
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</div>
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<div class="items-center justify-center hidden dark:flex">
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</span>
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</div>
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</button>
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</div>
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</nav>
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|
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</div>
|
||
<div class="flex md:hidden">
|
||
<div class="flex items-center h-14 gap-4">
|
||
|
||
<button
|
||
id="search-button-mobile"
|
||
aria-label="Search"
|
||
class="flex items-center justify-center bf-icon-color-hover"
|
||
title="Поиск (/)">
|
||
<span class="relative block icon"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="search" class="svg-inline--fa fa-search fa-w-16" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M505 442.7L405.3 343c-4.5-4.5-10.6-7-17-7H372c27.6-35.3 44-79.7 44-128C416 93.1 322.9 0 208 0S0 93.1 0 208s93.1 208 208 208c48.3 0 92.7-16.4 128-44v16.3c0 6.4 2.5 12.5 7 17l99.7 99.7c9.4 9.4 24.6 9.4 33.9 0l28.3-28.3c9.4-9.4 9.4-24.6.1-34zM208 336c-70.7 0-128-57.2-128-128 0-70.7 57.2-128 128-128 70.7 0 128 57.2 128 128 0 70.7-57.2 128-128 128z"/></svg>
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</span>
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||
</button>
|
||
|
||
|
||
|
||
<button
|
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id="appearance-switcher-mobile"
|
||
type="button"
|
||
aria-label="Dark mode switcher"
|
||
class="flex items-center justify-center text-neutral-900 hover:text-primary-600 dark:text-neutral-200 dark:hover:text-primary-400">
|
||
<div class="dark:hidden">
|
||
<span class="relative block icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M32 256c0-123.8 100.3-224 223.8-224c11.36 0 29.7 1.668 40.9 3.746c9.616 1.777 11.75 14.63 3.279 19.44C245 86.5 211.2 144.6 211.2 207.8c0 109.7 99.71 193 208.3 172.3c9.561-1.805 16.28 9.324 10.11 16.95C387.9 448.6 324.8 480 255.8 480C132.1 480 32 379.6 32 256z"/></svg>
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</span>
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</div>
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<div class="hidden dark:block">
|
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<span class="relative block icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M256 159.1c-53.02 0-95.1 42.98-95.1 95.1S202.1 351.1 256 351.1s95.1-42.98 95.1-95.1S309 159.1 256 159.1zM509.3 347L446.1 255.1l63.15-91.01c6.332-9.125 1.104-21.74-9.826-23.72l-109-19.7l-19.7-109c-1.975-10.93-14.59-16.16-23.72-9.824L256 65.89L164.1 2.736c-9.125-6.332-21.74-1.107-23.72 9.824L121.6 121.6L12.56 141.3C1.633 143.2-3.596 155.9 2.736 164.1L65.89 256l-63.15 91.01c-6.332 9.125-1.105 21.74 9.824 23.72l109 19.7l19.7 109c1.975 10.93 14.59 16.16 23.72 9.824L256 446.1l91.01 63.15c9.127 6.334 21.75 1.107 23.72-9.822l19.7-109l109-19.7C510.4 368.8 515.6 356.1 509.3 347zM256 383.1c-70.69 0-127.1-57.31-127.1-127.1c0-70.69 57.31-127.1 127.1-127.1s127.1 57.3 127.1 127.1C383.1 326.7 326.7 383.1 256 383.1z"/></svg>
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</span>
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</div>
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</button>
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||
|
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|
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Олег Казанин
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<div class="text-sm text-neutral-700 dark:text-neutral-400">Строю полезную инфраструктуру на Open Source стеке. Документирую грабли, чтобы вы на них не наступали.</div>
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<p>Привет! Меня зовут Олег. За 20 лет в IT проблемы росли вместе со мной: от «почему не печатает принтер» до «почему три сервера не могут договориться, кто из них главный». Техподдержка научила терпению - там быстро понимаешь, что «не работает» может означать что угодно, от выключенного монитора до сбоя на другом континенте. Сети научили начинать диагностику с розетки, а не с теории заговора. Системное администрирование - что между «всё работает» и «всё сломалось» обычно стоит один непрочитанный warning в логах трёхнедельной давности.</p>
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<p>Сейчас я инфраструктурный инженер. Строю и чиню серверную инфраструктуру: много enterprise, ещё больше Open Source, изрядно импортозамещённого - в общем, всё что работает на Linux, с Linux и благодаря Linux. Работаю в Главгосэкспертизе России. Общаюсь с серверами на Bash, Python и прочих машинопонятных языках. Иногда серверы даже отвечают. Живу в Москве.</p>
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<p>Дома - лаборатория. Нет, не стойка в подвале (хотя идея заманчивая). Один сервер, но серьёзный: виртуализация, Kubernetes, хранилище, мониторинг - всё по-взрослому, но если что-то упало - нет многомиллионных издержек и мир не остановился. Идеальный полигон: придумал, реализовал, сломал, починил, задокументировал. Полный цикл.</p>
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<p>Этот блог - не enterprise-гайды для внедрения в банке. Это production, но в человеческом масштабе: домашний сервер, небольшая компания, стартап на трёх разработчиках. Решения, которые реально работают - просто без бюджета на команду SRE из десяти человек - инженеров надёжности, чьи зарплаты съедают бюджет стартапа за квартал. Документирую грабли, чтобы вы на них не наступали. Чем больнее наступил сам - тем подробнее статья.</p>
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©
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2026
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Олег Казанин
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Работает на <a class="hover:underline hover:decoration-primary-400 hover:text-primary-500"
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