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<title>Почему при первом подключении к GitHub по SSH появляется сообщение “The authenticity of host can't be established”? — Q&A Хекслет</title>
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— При выполнении команд `git clone` или `ssh -T git@github.com` в Linux появляется сообщение:
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<div id="app" data-page="{"component":"web/qna/questions/show","props":{"errors":{},"locale":"ru","language":"ru","httpsHost":"https://ru.hexlet.io","host":"ru.hexlet.io","colorScheme":"light","auth":{"user":{"id":null,"last_viewed_notification_id":null,"email":null,"state":null,"first_name":"","last_name":"","created_at":"2026-02-26T18:24:49.887Z","current_program":null,"current_team":null,"full_name":"","guest":true,"can_use_paid_features":false,"is_hexlet_employee":false,"sanitized_phone_number":"","can_subscribe":true,"can_renew_education":false}},"cloudflareTurnstileSiteKey":"0x4AAAAAAA15KmeFXzd2H0Xo","vkIdClientId":"51586979","yandexIdClientId":"88d071f1d3384eb4bd1deb37910235c7","formAuthToken":"0siNq_eGQerV4GIrww0zf3Hm7ddrySTJsc2l3FeRxUU9GUacBfjsimOjRrPPAsMIse_AfWP-2msMLT-IBZYiKw","category":{"id":11,"title":"Git","slug":"git","questions_count":81,"locale":"ru"},"mainStackCategory":null,"answerDto":{"id":null,"body":"","meta":{"model":"question_answer","relations":{}}},"question":{"creator":{"id":104929,"email":"feycot@gmail.com","first_name":"Nikolai","last_name":"Gagarinov","telegram":"","full_name":"Nikolai Gagarinov","removed":false},"category":{"id":11,"title":"Git","slug":"git","questions_count":81,"locale":"ru"},"tags":[],"id":6072,"answers_count":1,"slug":"pochemu-pri-pervom-podklyuchenii-k-github-po-ssh-poyavlyaetsya-soobschenie-the-authenticity-of-host-can-t-be-established","state":"published","title":"Почему при первом подключении к GitHub по SSH появляется сообщение “The authenticity of host can't be established”?","created_at":"2025-11-14T10:19:38.004Z","details":"При выполнении команд `git clone` или `ssh -T git@github.com` в Linux появляется сообщение:\n\n```bash\nThe authenticity of host 'github.com (...)' can't be established.\nRSA key fingerprint is ...\nAre you sure you want to continue connecting (yes/no)?\n```\n\nПосле добавления SSH-ключей и настройки аутентификации GitHub всё равно спрашивает подтверждение. Что означает это предупреждение, нужно ли волноваться, и как устранить проблему?\n","best_answer_id":5111,"related_stacks_count":0},"answers":[{"user":{"id":104929,"email":"feycot@gmail.com","first_name":"Nikolai","last_name":"Gagarinov","telegram":"","full_name":"Nikolai Gagarinov","removed":false},"question":{"creator":{"id":104929,"email":"feycot@gmail.com","first_name":"Nikolai","last_name":"Gagarinov","telegram":"","full_name":"Nikolai Gagarinov","removed":false},"category":{"id":11,"title":"Git","slug":"git","questions_count":81,"locale":"ru"},"tags":[],"id":6072,"answers_count":1,"slug":"pochemu-pri-pervom-podklyuchenii-k-github-po-ssh-poyavlyaetsya-soobschenie-the-authenticity-of-host-can-t-be-established","state":"published","title":"Почему при первом подключении к GitHub по SSH появляется сообщение “The authenticity of host can't be established”?","created_at":"2025-11-14T10:19:38.004Z","details":"При выполнении команд `git clone` или `ssh -T git@github.com` в Linux появляется сообщение:\n\n```bash\nThe authenticity of host 'github.com (...)' can't be established.\nRSA key fingerprint is ...\nAre you sure you want to continue connecting (yes/no)?\n```\n\nПосле добавления SSH-ключей и настройки аутентификации GitHub всё равно спрашивает подтверждение. Что означает это предупреждение, нужно ли волноваться, и как устранить проблему?\n","best_answer_id":5111,"related_stacks_count":0},"id":5111,"state":"active","body":"Такое сообщение — нормальное поведение SSH при **первом подключении к новому хосту**. Клиент SSH не знает ключ сервера GitHub и просит вручную подтвердить его подлинность. Это защита от подмены сервера.\n\nПосле ответа **yes** ключ сервера будет добавлен в файл:\n\n```bash\n~/.ssh/known_hosts\n```\n\nИ при последующих подключениях предупреждение исчезнет.\n\nЭти сообщения появляются, если GitHub не принимает переданный SSH-ключ. Основные причины:\n\n* приватный ключ не соответствует открытому ключу в GitHub\n* ключ лежит под другим именем и SSH его не использует\n* ключ не добавлен в ssh-agent\n* используется ключ из Windows, а вы работаете на Linux-виртуалке\n\nПроверить, какой ключ используется:\n\n```bash\nssh -vT git@github.com\n```\n\nЕсли ключ называется нестандартно, можно явно указать его:\n\n```bash\nssh -i ~/.ssh/my_github_key -T git@github.com\n```\n\nПосле корректной настройки и подтверждения подлинности хоста команды `git push`, `git clone` и `ssh -T` будут работать без предупреждений и ошибок.\n\n\n- [GitHub — Настройка и конфигурация учетной записи](https://git-scm.com/book/ru/v2/GitHub-Настройка-и-конфигурация-учётной-записи)\n- [Создание SSH-ключа для работы с GitHub по SSH](https://docs.github.com/en/authentication/connecting-to-github-with-ssh/about-ssh)\n","votes_up_count":1,"votes_down_count":0,"created_at":"2025-11-14T10:20:49.535Z","user_id":104929,"category_slug":"git"}],"relatedQuestions":[{"creator":{"id":104929,"email":"feycot@gmail.com","first_name":"Nikolai","last_name":"Gagarinov","telegram":"","full_name":"Nikolai Gagarinov","removed":false},"category":{"id":11,"title":"Git","slug":"git","questions_count":81,"locale":"ru"},"tags":[],"id":6068,"answers_count":1,"slug":"oshibka-remote-origin-already-exists-i-repository-not-found-pri-nastroyke-github-repozitoriya","state":"published","title":"Ошибка “remote origin already exists” и “Repository not found” при настройке GitHub-репозитория","created_at":"2025-11-14T09:59:56.331Z","details":"При попытке подключить локальный проект к новому GitHub-репозиторию возникает серия ошибок:\n\n- `error: remote origin already exists`\n- `ERROR: Repository not found`\n- `fatal: Could not read from remote repository`\n- `Permission denied (publickey)`\n\nКоманда `ssh -T git@github.com` показывает успешную аутентификацию, но `git push` всё равно не работает. В `git remote -v` отображается некорректный адрес: `git@github.com:/hexlet-git.git` (без имени пользователя). Как разобраться, что именно здесь не так?\n","best_answer_id":5107,"related_stacks_count":0},{"creator":{"id":104929,"email":"feycot@gmail.com","first_name":"Nikolai","last_name":"Gagarinov","telegram":"","full_name":"Nikolai Gagarinov","removed":false},"category":{"id":11,"title":"Git","slug":"git","questions_count":81,"locale":"ru"},"tags":[],"id":6067,"answers_count":1,"slug":"oshibka-current-branch-has-no-upstream-branch-pri-vypolnenii-git-push","state":"published","title":"Ошибка “current branch has no upstream branch” при выполнении git push","created_at":"2025-11-14T09:50:54.379Z","details":"При попытке выполнить `git push` появляется ошибка: \n`fatal: The current branch main has no upstream branch.` \nИз-за этого изменения не отображаются в GitHub. Почему это происходит и как правильно отправить изменения?\n","best_answer_id":5106,"related_stacks_count":5},{"creator":{"id":104929,"email":"feycot@gmail.com","first_name":"Nikolai","last_name":"Gagarinov","telegram":"","full_name":"Nikolai Gagarinov","removed":false},"category":{"id":11,"title":"Git","slug":"git","questions_count":81,"locale":"ru"},"tags":[{"id":647,"slug":"git","name":"git"},{"id":342,"slug":"github","name":"github"},{"id":715,"slug":"pull-request","name":"pull request"},{"id":753,"slug":"branch","name":"branch"},{"id":1165,"slug":"vetki","name":"ветки"}],"id":3899,"answers_count":1,"slug":"kak-aktualizirovat-vetku-v-pull-request","state":"published","title":"Как актуализировать ветку в Pull Request?","created_at":"2023-07-17T14:30:44.759Z","details":"","best_answer_id":2938,"related_stacks_count":5},{"creator":{"id":104929,"email":"feycot@gmail.com","first_name":"Nikolai","last_name":"Gagarinov","telegram":"","full_name":"Nikolai Gagarinov","removed":false},"category":{"id":11,"title":"Git","slug":"git","questions_count":81,"locale":"ru"},"tags":[{"id":647,"slug":"git","name":"git"},{"id":1057,"slug":"history","name":"history"},{"id":1058,"slug":"udalenie-fayla","name":"удаление файла"}],"id":2516,"answers_count":1,"slug":"kak-uznat-v-gite-kogda-byl-udalen-fayl","state":"published","title":"Как узнать в гите, когда был удален файл?","created_at":"2023-03-17T07:57:29.087Z","details":"","best_answer_id":1855,"related_stacks_count":5},{"creator":{"id":75907,"email":"dzencot@gmail.com","first_name":"Ivan","last_name":"Gagarinov","telegram":"igagarinov","full_name":"Ivan Gagarinov","removed":false},"category":{"id":11,"title":"Git","slug":"git","questions_count":81,"locale":"ru"},"tags":[{"id":989,"slug":"linter","name":"linter"},{"id":988,"slug":"new-line","name":"new line"}],"id":2484,"answers_count":1,"slug":"zachem-pustaya-stroka-v-kontse","state":"published","title":"Зачем пустая строка в конце","created_at":"2022-12-23T06:02:22.786Z","details":"Линтер ругается, если не поставить новую строку в конце файла. 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Что означает это предупреждение, нужно ли волноваться, и как устранить проблему?\n","answerCount":1,"datePublished":"2025-11-14T10:19:38.004Z","author":{"@type":"Person","name":"Nikolai Gagarinov"},"acceptedAnswer":{"@type":"Answer","text":"Такое сообщение — нормальное поведение SSH при **первом подключении к новому хосту**. Клиент SSH не знает ключ сервера GitHub и просит вручную подтвердить его подлинность. Это защита от подмены сервера.\n\nПосле ответа **yes** ключ сервера будет добавлен в файл:\n\n```bash\n~/.ssh/known_hosts\n```\n\nИ при последующих подключениях предупреждение исчезнет.\n\nЭти сообщения появляются, если GitHub не принимает переданный SSH-ключ. Основные причины:\n\n* приватный ключ не соответствует открытому ключу в GitHub\n* ключ лежит под другим именем и SSH его не использует\n* ключ не добавлен в ssh-agent\n* используется ключ из Windows, а вы работаете на Linux-виртуалке\n\nПроверить, какой ключ используется:\n\n```bash\nssh -vT git@github.com\n```\n\nЕсли ключ называется нестандартно, можно явно указать его:\n\n```bash\nssh -i ~/.ssh/my_github_key -T git@github.com\n```\n\nПосле корректной настройки и подтверждения подлинности хоста команды `git push`, `git clone` и `ssh -T` будут работать без предупреждений и ошибок.\n\n\n- [GitHub — Настройка и конфигурация учетной записи](https://git-scm.com/book/ru/v2/GitHub-Настройка-и-конфигурация-учётной-записи)\n- [Создание SSH-ключа для работы с GitHub по SSH](https://docs.github.com/en/authentication/connecting-to-github-with-ssh/about-ssh)\n","datePublished":"2025-11-14T10:20:49.535Z","upvoteCount":1,"author":{"@type":"Person","name":"Nikolai Gagarinov"},"url":"https://ru.hexlet.io/qna/git/questions/pochemu-pri-pervom-podklyuchenii-k-github-po-ssh-poyavlyaetsya-soobschenie-the-authenticity-of-host-can-t-be-established#answer-5111"}}}</script><div style="--container-size:var(--container-size-lg);margin-top:var(--mantine-spacing-xl);height:100%" class="m_7485cace mantine-Container-root" data-size="lg" data-strategy="block"><script type="application/ld+json">{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"position":1,"@type":"ListItem","item":{"@id":"/qna","name":"Вопросы и ответы"}},{"position":2,"@type":"ListItem","item":{"@id":"/qna/git/questions","name":"Git"}},{"position":3,"@type":"ListItem","item":{"@id":"/qna/git/questions/pochemu-pri-pervom-podklyuchenii-k-github-po-ssh-poyavlyaetsya-soobschenie-the-authenticity-of-host-can-t-be-established","name":"Почему при первом подключении к GitHub по SSH появляется сообщение “The authenticity of host can't be established”?"}}]}</script><div 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class="mantine-focus-auto m_f678d540 mantine-Breadcrumbs-breadcrumb m_b6d8b162 mantine-Text-root" data-size="sm">Почему при первом подключении к GitHub по SSH появляется сообщение “The authenticity of host can't be established”?</p></div><style data-mantine-styles="inline">.__m__-_R_eub_{margin-bottom:var(--mantine-spacing-xs);}@media(min-width: 36em){.__m__-_R_eub_{margin-bottom:var(--mantine-spacing-xs);}}</style><div style="--group-gap:var(--mantine-spacing-md);--group-align:center;--group-justify:space-between;--group-wrap:wrap" class="m_4081bf90 mantine-Group-root __m__-_R_eub_"><style data-mantine-styles="inline">.__m__-_R_deub_{width:100%;}@media(min-width: 36em){.__m__-_R_deub_{width:70%;}}@media(min-width: 75em){.__m__-_R_deub_{width:75%;}}</style><div class="__m__-_R_deub_"><div style="--group-gap:var(--mantine-spacing-md);--group-align:center;--group-justify:start;--group-wrap:nowrap" class="m_4081bf90 mantine-Group-root"><h1 style="--title-fw:var(--mantine-h1-font-weight);--title-lh:var(--mantine-h1-line-height);--title-fz:var(--mantine-h1-font-size)" class="m_8a5d1357 mantine-Title-root" data-order="1">Почему при первом подключении к GitHub по SSH появляется сообщение “The authenticity of host can't be established”?</h1></div></div></div><style data-mantine-styles="inline">.__m__-_R_iub_{--grid-gutter:var(--mantine-spacing-md);}</style><div class="m_410352e9 mantine-Grid-root __m__-_R_iub_"><div class="m_dee7bd2f mantine-Grid-inner"><style data-mantine-styles="inline">.__m__-_R_3diub_{--col-flex-grow:auto;--col-flex-basis:100%;--col-max-width:100%;}@media(min-width: 48em){.__m__-_R_3diub_{--col-flex-grow:auto;--col-flex-basis:83.33333333333334%;--col-max-width:83.33333333333334%;}}@media(min-width: 62em){.__m__-_R_3diub_{--col-flex-grow:auto;--col-flex-basis:66.66666666666667%;--col-max-width:66.66666666666667%;}}</style><div class="m_96bdd299 mantine-Grid-col __m__-_R_3diub_"><div style="--group-gap:var(--mantine-spacing-md);--group-align:center;--group-justify:flex-start;--group-wrap:wrap;margin-bottom:var(--mantine-spacing-lg)" class="m_4081bf90 mantine-Group-root"></div><div style="margin-bottom:var(--mantine-spacing-xs)" class="m_d08caa0 mantine-Typography-root"><p>При выполнении команд <code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">git clone</code> или <code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">ssh -T git@github.com</code> в Linux появляется сообщение:</p>
<div style="margin-bottom:var(--mantine-spacing-lg)" class="m_e597c321 mantine-CodeHighlight-codeHighlight" dir="ltr"><div class="m_be7e9c9c mantine-CodeHighlight-controls"><button style="--ai-bg:transparent;--ai-hover:transparent;--ai-color:inherit;--ai-bd:none" class="mantine-focus-auto mantine-active m_d498bab7 mantine-CodeHighlight-control m_8d3f4000 mantine-ActionIcon-root m_87cf2631 mantine-UnstyledButton-root" data-variant="none" type="button" aria-label="Copy code"><span class="m_8d3afb97 mantine-ActionIcon-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M8 8m0 2a2 2 0 0 1 2 -2h8a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-8a2 2 0 0 1 -2 -2z"></path><path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path></svg></span></button></div><div style="--scrollarea-scrollbar-size:calc(0.25rem * var(--mantine-scale));--sa-corner-width:0px;--sa-corner-height:0px" class="m_f744fd40 mantine-CodeHighlight-scrollarea m_d57069b5 mantine-ScrollArea-root" dir="ltr"><div style="overflow-x:hidden;overflow-y:hidden;overscroll-behavior-inline:none" class="m_c0783ff9 mantine-ScrollArea-viewport" data-scrollbars="xy"><div class="m_b1336c6 mantine-ScrollArea-content"><pre class="m_2c47c4fd mantine-CodeHighlight-pre" style="padding:0"><code class="m_5caae6d3 mantine-CodeHighlight-code">The authenticity of host 'github.com (...)' can't be established.
RSA key fingerprint is ...
Are you sure you want to continue connecting (yes/no)?</code></pre></div></div></div><button class="mantine-focus-auto m_c9378bc2 mantine-CodeHighlight-showCodeButton m_87cf2631 mantine-UnstyledButton-root" data-hidden="true" type="button">Expand code</button></div>
<p>После добавления SSH-ключей и настройки аутентификации GitHub всё равно спрашивает подтверждение. Что означает это предупреждение, нужно ли волноваться, и как устранить проблему?</p></div><div style="--group-gap:var(--mantine-spacing-md);--group-align:center;--group-justify:flex-start;--group-wrap:wrap;margin-bottom:var(--mantine-spacing-xl);font-size:var(--mantine-font-size-sm)" class="m_4081bf90 mantine-Group-root"><div style="--group-gap:calc(0.25rem * var(--mantine-scale));--group-align:center;--group-justify:flex-start;--group-wrap:wrap;margin-inline-start:auto" class="m_4081bf90 mantine-Group-root"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-calendar "><path d="M4 7a2 2 0 0 1 2 -2h12a2 2 0 0 1 2 2v12a2 2 0 0 1 -2 2h-12a2 2 0 0 1 -2 -2v-12"></path><path d="M16 3v4"></path><path d="M8 3v4"></path><path d="M4 11h16"></path><path d="M11 15h1"></path><path d="M12 15v3"></path></svg><p class="mantine-focus-auto m_b6d8b162 mantine-Text-root" data-inherit="true">3 месяца назад</p></div><div style="--group-gap:calc(0.25rem * var(--mantine-scale));--group-align:center;--group-justify:flex-start;--group-wrap:wrap" class="m_4081bf90 mantine-Group-root"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-user "><path d="M8 7a4 4 0 1 0 8 0a4 4 0 0 0 -8 0"></path><path d="M6 21v-2a4 4 0 0 1 4 -4h4a4 4 0 0 1 4 4v2"></path></svg><p class="mantine-focus-auto m_b6d8b162 mantine-Text-root" data-inherit="true">Nikolai Gagarinov</p></div></div><div role="link" tabindex="0" style="cursor:pointer"><button style="display:block;width:100%" class="mantine-focus-auto m_87cf2631 mantine-UnstyledButton-root" type="button" aria-label="Присоединяйтесь к нашему Telegram-сообществу"><div style="background-color:light-dark(var(--mantine-color-gray-1), var(--mantine-color-dark-6));margin-block:var(--mantine-spacing-xs)" class="m_e615b15f mantine-Card-root m_1b7284a3 mantine-Paper-root"><div style="--group-gap:var(--mantine-spacing-md);--group-align:center;--group-justify:flex-start;--group-wrap:wrap" class="m_4081bf90 mantine-Group-root"><div style="--ti-bg:transparent;--ti-color:var(--mantine-color-indigo-light-color);--ti-bd:calc(0.0625rem * var(--mantine-scale)) solid transparent;margin-inline-end:auto;color:inherit" class="m_7341320d mantine-ThemeIcon-root" data-variant="transparent"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-brand-telegram "><path d="M15 10l-4 4l6 6l4 -16l-18 7l4 2l2 6l3 -4"></path></svg></div>Присоединяйтесь к нашему Telegram-сообществу</div></div></button></div><h2 style="--title-fw:var(--mantine-h2-font-weight);--title-lh:var(--mantine-h2-line-height);--title-fz:var(--mantine-h2-font-size);margin-block:var(--mantine-spacing-xl)" class="m_8a5d1357 mantine-Title-root" data-order="2">Ответы</h2><div style="margin-bottom:var(--mantine-spacing-xl);padding:var(--mantine-spacing-lg)" class="m_e615b15f mantine-Card-root m_1b7284a3 mantine-Paper-root" data-with-border="true" id="answer-5111"><div style="--group-gap:calc(1.125rem * var(--mantine-scale));--group-align:stretch;--group-justify:flex-start;--group-wrap:nowrap" class="m_4081bf90 mantine-Group-root"><div style="--stack-gap:var(--mantine-spacing-md);--stack-align:stretch;--stack-justify:flex-start;font-size:var(--mantine-font-size-h1);font-weight:lighter;text-align:center" class="m_6d731127 mantine-Stack-root">1<a style="color:inherit" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="/qna/git/questions/pochemu-pri-pervom-podklyuchenii-k-github-po-ssh-poyavlyaetsya-soobschenie-the-authenticity-of-host-can-t-be-established/answers/5111/vote"><div style="--ti-bg:transparent;--ti-color:var(--mantine-color-indigo-light-color);--ti-bd:calc(0.0625rem * var(--mantine-scale)) solid transparent;color:inherit" class="m_7341320d mantine-ThemeIcon-root" data-variant="transparent"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-thumb-up "><path d="M7 11v8a1 1 0 0 1 -1 1h-2a1 1 0 0 1 -1 -1v-7a1 1 0 0 1 1 -1h3a4 4 0 0 0 4 -4v-1a2 2 0 0 1 4 0v5h3a2 2 0 0 1 2 2l-1 5a2 3 0 0 1 -2 2h-7a3 3 0 0 1 -3 -3"></path></svg></div></a><div style="--ti-bg:transparent;--ti-color:var(--mantine-color-indigo-light-color);--ti-bd:calc(0.0625rem * var(--mantine-scale)) solid transparent;color:inherit" class="m_7341320d mantine-ThemeIcon-root" data-variant="transparent"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-check "><path d="M5 12l5 5l10 -10"></path></svg></div></div><div style="--stack-gap:var(--mantine-spacing-md);--stack-align:stretch;--stack-justify:flex-start;width:100%;min-width:0rem" class="m_6d731127 mantine-Stack-root"><div style="margin-bottom:auto" class="m_d08caa0 mantine-Typography-root"><p>Такое сообщение — нормальное поведение SSH при <strong>первом подключении к новому хосту</strong>. Клиент SSH не знает ключ сервера GitHub и просит вручную подтвердить его подлинность. Это защита от подмены сервера.</p>
<p>После ответа <strong>yes</strong> ключ сервера будет добавлен в файл:</p>
<div style="margin-bottom:var(--mantine-spacing-lg)" class="m_e597c321 mantine-CodeHighlight-codeHighlight" dir="ltr"><div class="m_be7e9c9c mantine-CodeHighlight-controls"><button style="--ai-bg:transparent;--ai-hover:transparent;--ai-color:inherit;--ai-bd:none" class="mantine-focus-auto mantine-active m_d498bab7 mantine-CodeHighlight-control m_8d3f4000 mantine-ActionIcon-root m_87cf2631 mantine-UnstyledButton-root" data-variant="none" type="button" aria-label="Copy code"><span class="m_8d3afb97 mantine-ActionIcon-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M8 8m0 2a2 2 0 0 1 2 -2h8a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-8a2 2 0 0 1 -2 -2z"></path><path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path></svg></span></button></div><div style="--scrollarea-scrollbar-size:calc(0.25rem * var(--mantine-scale));--sa-corner-width:0px;--sa-corner-height:0px" class="m_f744fd40 mantine-CodeHighlight-scrollarea m_d57069b5 mantine-ScrollArea-root" dir="ltr"><div style="overflow-x:hidden;overflow-y:hidden;overscroll-behavior-inline:none" class="m_c0783ff9 mantine-ScrollArea-viewport" data-scrollbars="xy"><div class="m_b1336c6 mantine-ScrollArea-content"><pre class="m_2c47c4fd mantine-CodeHighlight-pre" style="padding:0"><code class="m_5caae6d3 mantine-CodeHighlight-code">~/.ssh/known_hosts</code></pre></div></div></div><button class="mantine-focus-auto m_c9378bc2 mantine-CodeHighlight-showCodeButton m_87cf2631 mantine-UnstyledButton-root" data-hidden="true" type="button">Expand code</button></div>
<p>И при последующих подключениях предупреждение исчезнет.</p>
<p>Эти сообщения появляются, если GitHub не принимает переданный SSH-ключ. Основные причины:</p>
<ul>
<li>приватный ключ не соответствует открытому ключу в GitHub</li>
<li>ключ лежит под другим именем и SSH его не использует</li>
<li>ключ не добавлен в ssh-agent</li>
<li>используется ключ из Windows, а вы работаете на Linux-виртуалке</li>
</ul>
<p>Проверить, какой ключ используется:</p>
<div style="margin-bottom:var(--mantine-spacing-lg)" class="m_e597c321 mantine-CodeHighlight-codeHighlight" dir="ltr"><div class="m_be7e9c9c mantine-CodeHighlight-controls"><button style="--ai-bg:transparent;--ai-hover:transparent;--ai-color:inherit;--ai-bd:none" class="mantine-focus-auto mantine-active m_d498bab7 mantine-CodeHighlight-control m_8d3f4000 mantine-ActionIcon-root m_87cf2631 mantine-UnstyledButton-root" data-variant="none" type="button" aria-label="Copy code"><span class="m_8d3afb97 mantine-ActionIcon-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M8 8m0 2a2 2 0 0 1 2 -2h8a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-8a2 2 0 0 1 -2 -2z"></path><path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path></svg></span></button></div><div style="--scrollarea-scrollbar-size:calc(0.25rem * var(--mantine-scale));--sa-corner-width:0px;--sa-corner-height:0px" class="m_f744fd40 mantine-CodeHighlight-scrollarea m_d57069b5 mantine-ScrollArea-root" dir="ltr"><div style="overflow-x:hidden;overflow-y:hidden;overscroll-behavior-inline:none" class="m_c0783ff9 mantine-ScrollArea-viewport" data-scrollbars="xy"><div class="m_b1336c6 mantine-ScrollArea-content"><pre class="m_2c47c4fd mantine-CodeHighlight-pre" style="padding:0"><code class="m_5caae6d3 mantine-CodeHighlight-code">ssh -vT git@github.com</code></pre></div></div></div><button class="mantine-focus-auto m_c9378bc2 mantine-CodeHighlight-showCodeButton m_87cf2631 mantine-UnstyledButton-root" data-hidden="true" type="button">Expand code</button></div>
<p>Если ключ называется нестандартно, можно явно указать его:</p>
<div style="margin-bottom:var(--mantine-spacing-lg)" class="m_e597c321 mantine-CodeHighlight-codeHighlight" dir="ltr"><div class="m_be7e9c9c mantine-CodeHighlight-controls"><button style="--ai-bg:transparent;--ai-hover:transparent;--ai-color:inherit;--ai-bd:none" class="mantine-focus-auto mantine-active m_d498bab7 mantine-CodeHighlight-control m_8d3f4000 mantine-ActionIcon-root m_87cf2631 mantine-UnstyledButton-root" data-variant="none" type="button" aria-label="Copy code"><span class="m_8d3afb97 mantine-ActionIcon-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M8 8m0 2a2 2 0 0 1 2 -2h8a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-8a2 2 0 0 1 -2 -2z"></path><path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path></svg></span></button></div><div style="--scrollarea-scrollbar-size:calc(0.25rem * var(--mantine-scale));--sa-corner-width:0px;--sa-corner-height:0px" class="m_f744fd40 mantine-CodeHighlight-scrollarea m_d57069b5 mantine-ScrollArea-root" dir="ltr"><div style="overflow-x:hidden;overflow-y:hidden;overscroll-behavior-inline:none" class="m_c0783ff9 mantine-ScrollArea-viewport" data-scrollbars="xy"><div class="m_b1336c6 mantine-ScrollArea-content"><pre class="m_2c47c4fd mantine-CodeHighlight-pre" style="padding:0"><code class="m_5caae6d3 mantine-CodeHighlight-code">ssh -i ~/.ssh/my_github_key -T git@github.com</code></pre></div></div></div><button class="mantine-focus-auto m_c9378bc2 mantine-CodeHighlight-showCodeButton m_87cf2631 mantine-UnstyledButton-root" data-hidden="true" type="button">Expand code</button></div>
<p>После корректной настройки и подтверждения подлинности хоста команды <code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">git push</code>, <code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">git clone</code> и <code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">ssh -T</code> будут работать без предупреждений и ошибок.</p>
<ul>
<li><a style="text-decoration:underline" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="https://git-scm.com/book/ru/v2/GitHub-%D0%9D%D0%B0%D1%81%D1%82%D1%80%D0%BE%D0%B9%D0%BA%D0%B0-%D0%B8-%D0%BA%D0%BE%D0%BD%D1%84%D0%B8%D0%B3%D1%83%D1%80%D0%B0%D1%86%D0%B8%D1%8F-%D1%83%D1%87%D1%91%D1%82%D0%BD%D0%BE%D0%B9-%D0%B7%D0%B0%D0%BF%D0%B8%D1%81%D0%B8" rel="noopener noreferrer" target="_blank">GitHub — Настройка и конфигурация учетной записи</a></li>
<li><a style="text-decoration:underline" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="https://docs.github.com/en/authentication/connecting-to-github-with-ssh/about-ssh" rel="noopener noreferrer" target="_blank">Создание SSH-ключа для работы с GitHub по SSH</a></li>
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data-inherit="true">3 месяца назад</p></div><div style="--group-gap:var(--mantine-spacing-xs);--group-align:center;--group-justify:flex-start;--group-wrap:wrap" class="m_4081bf90 mantine-Group-root"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-user "><path d="M8 7a4 4 0 1 0 8 0a4 4 0 0 0 -8 0"></path><path d="M6 21v-2a4 4 0 0 1 4 -4h4a4 4 0 0 1 4 4v2"></path></svg><p class="mantine-focus-auto m_b6d8b162 mantine-Text-root" data-inherit="true">Nikolai Gagarinov</p></div></div></div></div></div></div><style data-mantine-styles="inline">.__m__-_R_5diub_{--col-flex-grow:auto;--col-flex-basis:100%;--col-max-width:100%;}@media(min-width: 48em){.__m__-_R_5diub_{--col-flex-grow:auto;--col-flex-basis:16.666666666666668%;--col-max-width:16.666666666666668%;}}@media(min-width: 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<div>108813 г. Москва, вн.тер.г. поселение Московский,</div>
<div>г. Московский, ул. Солнечная, д. 3А, стр. 1, помещ. 20Б/3</div>
<div>ОГРН 1217300010476</div>
<div>ИНН 7325174845</div>
</div>
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<div>АНО ДПО «<a href="/" class="text-decoration-none link-light">Учебный центр «Хекслет</a>»</div>
<div>119331 г. Москва, вн. тер. г. муниципальный округ</div>
<div>Ломоносовский, пр-кт Вернадского, д. 29</div>
<div>ОГРН 1247700712390</div>
<div>ИНН 7736364948</div>
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