{"id":1692,"date":"2025-07-15T10:45:56","date_gmt":"2025-07-15T10:45:56","guid":{"rendered":"https:\/\/linuxjk.cn\/?p=1692"},"modified":"2025-08-23T08:31:19","modified_gmt":"2025-08-23T08:31:19","slug":"%e7%ac%ac%e5%9b%9b%e4%b8%aa%e6%9c%8d%e5%8a%a1-sshd%e6%9c%8d%e5%8a%a1","status":"publish","type":"post","link":"https:\/\/linuxjk.cn\/?p=1692","title":{"rendered":"\u7b2c\u56db\u4e2a\u670d\u52a1&#8211;SSHD\u670d\u52a1"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1692\" class=\"elementor elementor-1692\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cc056b9 e-flex e-con-boxed e-con e-parent\" data-id=\"cc056b9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0a69693 elementor-widget elementor-widget-text-editor\" data-id=\"0a69693\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><code>sshd\u670d\u52a1---\u4e00\u952e\u90e8\u7f72\u5bc6\u94a5\u8fde\u63a5\u811a\u672c<\/code><\/p><pre><a href=\"https:\/\/www.bilibili.com\/video\/BV1fLbKzqEo1\/\"><strong>\u624b\u673a\u7aef\u53ef\u76f4\u63a5\u64ad\u653e\u4e0b\u65b9\u89c6\u9891\uff0cPC\u7aef\u8bf7\u70b9\u51fb\u64ad\u653e\u6309\u94ae\u6216\u70b9\u6b64\u5904\u67e5\u770b\u539f\u89c6\u9891<\/strong><\/a><\/pre>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e4e88e2 elementor-widget elementor-widget-text-editor\" data-id=\"e4e88e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><div class=\"smartideo\">\n                <div class=\"player\">\n                    <a href=\"https:\/\/www.bilibili.com\/video\/BV1fLbKzqEo1\/\" target=\"_blank\" class=\"smartideo-play-link\"><div class=\"smartideo-play-button\"><\/div><\/a>\n                    <p style=\"color: #999;margin-top: 50px;\">\u6682\u65f6\u65e0\u6cd5\u64ad\u653e\uff0c\u53ef\u56de\u6e90\u7f51\u7ad9\u64ad\u653e<\/p>\n                <\/div>\n            <\/div><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ef486f elementor-widget elementor-widget-text-editor\" data-id=\"3ef486f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u7b2c\u4e8c\u4e2a\u90e8\u5206-\u96c6\u7fa4\u6279\u91cf\u7ba1\u7406\u4e0e\u7ef4\u62a4<\/strong><\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#1%E5%9F%BA%E7%A1%80\" >1.\u57fa\u7840:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#20_%E7%9B%AE%E6%A0%87\" >2.0 \u76ee\u6807<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#21_openssh%E6%9C%8D%E5%8A%A1\" >2.1 openssh\u670d\u52a1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#22_telnet_%E6%9C%8D%E5%8A%A1%E7%AB%AFvs_openssh_%E6%9C%8D%E5%8A%A1%E7%AB%AF\" >2.2 telnet \u670d\u52a1\u7aefvs openssh \u670d\u52a1\u7aef<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#24_Openssh-server%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6\" >2.4 Openssh-server\u914d\u7f6e\u6587\u4ef6<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#1_%E6%B3%A8%E9%87%8A%E6%8E%89sshd%E6%9C%8D%E5%8A%A1%E7%AB%AF%E5%B7%B2%E6%9C%89%E7%9A%84%E9%85%8D%E7%BD%AE\" >##1. \u6ce8\u91ca\u6389sshd\u670d\u52a1\u7aef\u5df2\u6709\u7684\u914d\u7f6e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#2_%E9%87%8D%E6%96%B0%E9%85%8D%E7%BD%AE%E8%BF%9E%E6%8E%A5%E4%BC%98%E5%8C%96%E7%AB%AF%E5%8F%A3%E6%98%AF%E5%90%A6%E5%87%86%E8%AE%B8root%E7%9A%84%E8%BF%9C%E7%A8%8B%E7%99%BB%E5%BD%95\" >##2. \u91cd\u65b0\u914d\u7f6e\u8fde\u63a5\u4f18\u5316,\u7aef\u53e3,\u662f\u5426\u51c6\u8bb8root\u7684\u8fdc\u7a0b\u767b\u5f55.<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#25_Openssh-Clients%E5%AE%A2%E6%88%B7%E7%AB%AF%E5%91%BD%E4%BB%A4\" >2.5 Openssh-Clients\u5ba2\u6237\u7aef\u547d\u4ee4<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#1_scp_%E2%98%86%E2%98%86%E2%98%86%E2%98%86%E2%98%86\" >1) scp \u2606\u2606\u2606\u2606\u2606<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#2_ssh_%E2%98%86%E2%98%86%E2%98%86%E2%98%86%E2%98%86\" >2) ssh \u2606\u2606\u2606\u2606\u2606<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#3_sftp\" >3) sftp<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#26_Openssh%E5%B0%8F%E7%BB%93\" >2.6 Openssh\u5c0f\u7ed3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#27_%E5%AF%86%E9%92%A5%E8%AE%A4%E8%AF%81_%E2%98%86%E2%98%86%E2%98%86%E2%98%86%E2%98%86\" >2.7 \u5bc6\u94a5\u8ba4\u8bc1 \u2606\u2606\u2606\u2606\u2606<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#1_%E6%A6%82%E8%BF%B0\" >1) \u6982\u8ff0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#2_%E5%8E%9F%E7%90%86%E6%B5%81%E7%A8%8B\" >2) \u539f\u7406(\u6d41\u7a0b)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#3_%E6%89%8B%E5%8A%A8%E5%88%9B%E5%BB%BA%E4%B8%8E%E5%88%86%E5%8F%91%E5%AF%86%E9%92%A5%EF%BC%88%E5%8D%95%E6%96%B9%E9%9D%A2%E7%9A%84%EF%BC%89_%E2%98%86%E2%98%86%E2%98%86%E2%98%86%E2%98%86\" >3) \u624b\u52a8\u521b\u5efa\u4e0e\u5206\u53d1\u5bc6\u94a5\uff08\u5355\u65b9\u9762\u7684\uff09 \u2606\u2606\u2606\u2606\u2606<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#%E6%AD%A3%E7%A1%AEssh%E6%96%87%E4%BB%B6%E6%9D%83%E9%99%90%E7%A4%BA%E6%84%8F%EF%BC%9A\" >\u6b63\u786essh\u6587\u4ef6\u6743\u9650\u793a\u610f\uff1a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#4_%E5%A6%82%E4%BD%95%E8%87%AA%E5%8A%A8%E5%88%86%E5%8F%91%E5%85%AC%E9%92%A5\" >4) \u5982\u4f55\u81ea\u52a8\u5206\u53d1\u516c\u94a5<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#sshpass%E9%80%89%E9%A1%B9\" >sshpass\u9009\u9879<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#%E8%A7%A3%E5%86%B3yesno%E7%9A%84%E9%97%AE%E9%A2%98\" >\u89e3\u51b3yes\/no\u7684\u95ee\u9898<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#5_%E4%B8%80%E9%94%AE%E5%88%9B%E5%BB%BA%E7%A7%98%E9%92%A5%E5%AF%B9_%E2%98%86%E2%98%86%E2%98%86%E2%98%86%E2%98%86\" >5) \u4e00\u952e\u521b\u5efa\u79d8\u94a5\u5bf9 \u2606\u2606\u2606\u2606\u2606<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#6_%E4%B9%A6%E5%86%99%E4%B8%80%E9%94%AE%E8%84%9A%E6%9C%AC\" >6) \u4e66\u5199\u4e00\u952e\u811a\u672c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#%E8%BF%90%E8%A1%8C%E6%95%88%E6%9E%9C%EF%BC%9A\" >\u8fd0\u884c\u6548\u679c\uff1a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#7_%E5%AF%86%E9%92%A5%E8%AE%A4%E8%AF%81%E5%B0%8F%E7%BB%93\" >7) \u5bc6\u94a5\u8ba4\u8bc1\u5c0f\u7ed3<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/linuxjk.cn\/?p=1692\/#28_SSHD%E5%B0%8F%E7%BB%93\" >2.8 SSHD\u5c0f\u7ed3<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1%E5%9F%BA%E7%A1%80\"><\/span><strong>1.\u57fa\u7840:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><p><strong>SSHD\u670d\u52a1\u914d\u7f6e\u6587\u4ef6\u2606 \u2606 \u2606 \u2606 \u2606<\/strong><\/p><p><strong>ssh\u5ba2\u6237\u7aef\u547d\u4ee4:ssh,scp,sftp<\/strong><\/p><p><strong>ssh\u5bc6\u94a5\u8ba4\u8bc1(\u514d\u5bc6\u7801\u767b\u5f55,\u53cc\u673a\u4e92\u4fe1)\u2606 \u2606 \u2606 \u2606 \u2606<\/strong><\/p><p><strong>Ansible\u6279\u91cf\u5206\u53d1,\u6279\u91cf\u7ba1\u7406,\u6279\u91cf\u7ef4\u62a4\u4e0e\u90e8\u7f72<\/strong><\/p><p><strong>\u5bf9\u4e8e\u5df2\u7ecf\u638c\u63e1\u4f7f\u7528\u6d41\u7a0b\u7684\u670d\u52a1,\u8fdb\u884c\u6279\u91cf\u7ba1\u7406<\/strong><\/p><h2><span class=\"ez-toc-section\" id=\"20_%E7%9B%AE%E6%A0%87\"><\/span><strong>2.0 \u76ee\u6807<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><p><strong>\u4fee\u6539sshd\u670d\u52a1\u7aef\u914d\u7f6e\u6587\u4ef6\u4fee\u6539ssh\u7aef\u53e3\u53f7,\u4fee\u6539ssh\u7981\u7528root\u8fdc\u7a0b\u767b\u5f55.<\/strong><\/p><p><strong>\u4f7f\u7528ssh\u547d\u4ee4\u8fdc\u7a0b\u8fde\u63a5,\u4f7f\u7528scp\u4f20\u8f93\u6570\u636e.<\/strong><\/p><p><strong>\u914d\u7f6e\u4e3b\u673a\u7684\u79d8\u94a5\u8ba4\u8bc1(\u5199\u6210\u811a\u672c)<\/strong><\/p><p><strong>Ansible\u8fdb\u884c\u521d\u6b65\u6279\u91cf\u7ba1\u7406<\/strong><\/p><h2><span class=\"ez-toc-section\" id=\"21_openssh%E6%9C%8D%E5%8A%A1\"><\/span><strong>2.1 openssh\u670d\u52a1<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><p><strong>\u5b9e\u73b0\u52a0\u5bc6\u7684\u8fdc\u7a0b\u8fde\u63a5\/\u4f20\u8f93\u6570\u636e.<\/strong><\/p><p><strong>openssh-server \u670d\u52a1\u7aef(sshd,\/etc\/ssh\/sshd_config)<\/strong><\/p><p><strong>openssh-clients\u5ba2\u6237\u7aef\u547d\u4ee4\u00a0 scp,ssh<\/strong><\/p><p><strong><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-1694\" src=\"https:\/\/linuxjk.cn\/wp-content\/uploads\/2025\/07\/openssh\u5ba3\u4f20\u56fe.png\" alt=\"\" width=\"1690\" height=\"560\" srcset=\"https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/07\/openssh\u5ba3\u4f20\u56fe.png 1690w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/07\/openssh\u5ba3\u4f20\u56fe-300x99.png 300w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/07\/openssh\u5ba3\u4f20\u56fe-1024x339.png 1024w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/07\/openssh\u5ba3\u4f20\u56fe-768x254.png 768w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/07\/openssh\u5ba3\u4f20\u56fe-1536x509.png 1536w\" sizes=\"(max-width: 1690px) 100vw, 1690px\" \/><\/strong><\/p><h2><span class=\"ez-toc-section\" id=\"22_telnet_%E6%9C%8D%E5%8A%A1%E7%AB%AFvs_openssh_%E6%9C%8D%E5%8A%A1%E7%AB%AF\"><\/span><strong>2.2 telnet \u670d\u52a1\u7aefvs openssh \u670d\u52a1\u7aef<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><p><strong><img decoding=\"async\" class=\"alignnone size-full wp-image-1695\" src=\"https:\/\/linuxjk.cn\/wp-content\/uploads\/2025\/07\/telnetssh\u6bd4\u8f83.png\" alt=\"\" width=\"2034\" height=\"407\" srcset=\"https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/07\/telnetssh\u6bd4\u8f83.png 2034w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/07\/telnetssh\u6bd4\u8f83-300x60.png 300w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/07\/telnetssh\u6bd4\u8f83-1024x205.png 1024w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/07\/telnetssh\u6bd4\u8f83-768x154.png 768w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/07\/telnetssh\u6bd4\u8f83-1536x307.png 1536w\" sizes=\"(max-width: 2034px) 100vw, 2034px\" \/><\/strong><\/p><p><strong>telnet\u670d\u52a1\uff1a\u66f4\u65b0ssh\u670d\u52a1\u65f6\u4f7f\u7528\uff08\u660e\u6587\u4f20\u8f93\u5bc6\u7801\uff0c\u6293\u5305\u8fc7\u6ee4tcp.port==23\u53ef\u4ee5\u770b\u5230\u5bc6\u7801\u4fe1\u606f\uff09<\/strong><\/p><p><strong>#1.\u5b89\u88c5\u670d\u52a1<\/strong><\/p><p><strong><code>yum install \u00a0-y telnet-server<\/code><\/strong><\/p><p><strong>#2.\u542f\u52a8<\/strong><\/p><p><strong><code>systemctl disable \u00a0 telnet.socket<\/code><\/strong><\/p><p><strong><code>systemctl start \u00a0telnet.socket<\/code><\/strong><\/p><p><strong>#3.\u672c\u5730shell\u4e2d\u8fde\u63a5<\/strong><\/p><p><strong><code>telnet 10.0.0.61 \u00a0 23<\/code><\/strong><\/p><p><strong>\u9e92\u9e9f\u7cfb\u7edf\u4e2dtelnet-server\u5c5e\u4e8etelnet\u8f6f\u4ef6\u5305<\/strong><\/p><h2><span class=\"ez-toc-section\" id=\"24_Openssh-server%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6\"><\/span><strong>2.4 Openssh-server\u914d\u7f6e\u6587\u4ef6<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><p><strong>\u6838\u5fc3\u914d\u7f6e\u6587\u4ef6: <code>\/etc\/ssh\/sshd_config<\/code><\/strong><\/p><p><strong><code>\/etc\/ssh\/ssh_config<\/code> <span style=\"text-decoration: underline;\">\u5ba2\u6237\u7aef<\/span>\u914d\u7f6e\u6587\u4ef6<\/strong><\/p><p><strong><code>\/etc\/ssh\/sshd_config<\/code> <span style=\"text-decoration: underline;\">\u670d\u52a1\u7aef<\/span>\u914d\u7f6e\u6587\u4ef6<\/strong><\/p><p><strong>\u672a\u6765\u4e3a\u4e86\u5b89\u5168\uff0c\u7981\u6b62root\u7528\u6237\u8fdc\u7a0b\u767b\u9646<\/strong><\/p><p><strong>\u5206\u6790\u65e5\u5fd7\/var\/log\/secure\u67e5\u770b\u662f\u5426\u88ab\u653b\u51fb:<\/strong><\/p><p><strong><code>cat \/var\/log\/secure | grep -i 'failed password' | awk '{print $(NF-3)}' | sort | uniq -c | sort -rnk1<\/code><\/strong><\/p><p><strong><img decoding=\"async\" class=\"alignnone size-full wp-image-1696\" src=\"https:\/\/linuxjk.cn\/wp-content\/uploads\/2025\/07\/ssh\u670d\u52a1\u914d\u7f6e\u89e3\u6790.png\" alt=\"\" width=\"2048\" height=\"874\" srcset=\"https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/07\/ssh\u670d\u52a1\u914d\u7f6e\u89e3\u6790.png 2048w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/07\/ssh\u670d\u52a1\u914d\u7f6e\u89e3\u6790-300x128.png 300w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/07\/ssh\u670d\u52a1\u914d\u7f6e\u89e3\u6790-1024x437.png 1024w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/07\/ssh\u670d\u52a1\u914d\u7f6e\u89e3\u6790-768x328.png 768w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/07\/ssh\u670d\u52a1\u914d\u7f6e\u89e3\u6790-1536x656.png 1536w\" sizes=\"(max-width: 2048px) 100vw, 2048px\" \/><\/strong><\/p><p><strong>\u4e0a\u65b9\u524d\u4e24\u4e2a\u9009\u9879\u4e0d\u5173\u95ed\u4f1a\u81ea\u52a8\u505a\u53cd\u5411\u89e3\u6790\uff08\u5229\u7528DNS PTR \u8bb0\u5f55\u7528\u4e8e\u53cd\u5411 DNS \u67e5\u627e\uff1aip\u2192\u57df\u540d\uff09,\u5f71\u54cd\u8fde\u63a5\u901f\u5ea6<\/strong><\/p><p><strong>Linux\u7cfb\u7edfssh\u8fdc\u7a0b\u8fde\u63a5\u4f18\u5316\u914d\u7f6e<\/strong><\/p><h3><span class=\"ez-toc-section\" id=\"1_%E6%B3%A8%E9%87%8A%E6%8E%89sshd%E6%9C%8D%E5%8A%A1%E7%AB%AF%E5%B7%B2%E6%9C%89%E7%9A%84%E9%85%8D%E7%BD%AE\"><\/span><strong>##1. \u6ce8\u91ca\u6389sshd\u670d\u52a1\u7aef\u5df2\u6709\u7684\u914d\u7f6e<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong><code>sed -ri.bak '\/^(UseDNS|GSSAPIAuth|Port|PermitRoot)\/s@^@#@g' \/etc\/ssh\/sshd_config<\/code><\/strong><\/p><h3><span class=\"ez-toc-section\" id=\"2_%E9%87%8D%E6%96%B0%E9%85%8D%E7%BD%AE%E8%BF%9E%E6%8E%A5%E4%BC%98%E5%8C%96%E7%AB%AF%E5%8F%A3%E6%98%AF%E5%90%A6%E5%87%86%E8%AE%B8root%E7%9A%84%E8%BF%9C%E7%A8%8B%E7%99%BB%E5%BD%95\"><\/span><strong>##2. \u91cd\u65b0\u914d\u7f6e\u8fde\u63a5\u4f18\u5316,\u7aef\u53e3,\u662f\u5426\u51c6\u8bb8root\u7684\u8fdc\u7a0b\u767b\u5f55.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>cat &gt;&gt;\/etc\/ssh\/sshd_config&lt;&lt;EOF<\/strong><\/p><p><strong>UseDNS no<\/strong><\/p><p><strong>GSSAPIAuthentication no<\/strong><\/p><p><strong>Port 22<\/strong><\/p><p><strong>PermitRootLogin yes<\/strong><\/p><p><strong>EOF<\/strong><\/p><h2><span class=\"ez-toc-section\" id=\"25_Openssh-Clients%E5%AE%A2%E6%88%B7%E7%AB%AF%E5%91%BD%E4%BB%A4\"><\/span><strong>2.5 Openssh-Clients\u5ba2\u6237\u7aef\u547d\u4ee4<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><p><strong>scp \u8fdc\u7a0b\u4f20\u8f93\u6587\u4ef6<\/strong><\/p><p><strong>ssh \u8fdc\u7a0b\u8fde\u63a5<\/strong><\/p><p><strong>sftp \u8fdc\u7a0b\u4f20\u8f93\u6587\u4ef6(\u4e00\u822c\u5f00\u53d1\u901a\u8fc7\u56fe\u5f62\u5316\u754c\u9762\u4f7f\u7528ftp\u5de5\u5177)<\/strong><\/p><h3><span class=\"ez-toc-section\" id=\"1_scp_%E2%98%86%E2%98%86%E2%98%86%E2%98%86%E2%98%86\"><\/span><strong>1) scp \u2606\u2606\u2606\u2606\u2606<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>#scp\u4f7f\u7528\u65b9\u5f0f<\/strong><\/p><p><strong>scp \u6587\u4ef6\/\u76ee\u5f55 \u00a0 \u00a0 \u7528\u6237\u540d@ip:\u8def\u5f84<\/strong><\/p><p><strong>-r \u9012\u5f52\u4f20\u8f93,\u4f20\u8f93\u76ee\u5f55<\/strong><\/p><p><strong>-p \u4fdd\u6301\u5c5e\u6027\u4fe1\u606f\u4e0d\u53d8<\/strong><\/p><p><strong>-rp \u4eba\u54c1<\/strong><\/p><p><strong>-P(\u5927\u5199) Port \u6307\u5b9a\u7aef\u53e3\u53f7<\/strong><\/p><p><strong><code>scp \u00a0-rp -P 22 \u00a0 \/etc\/hostname\u00a0 \u00a0root@10.0.0.41:\/tmp\/<\/code><\/strong><\/p><h3><span class=\"ez-toc-section\" id=\"2_ssh_%E2%98%86%E2%98%86%E2%98%86%E2%98%86%E2%98%86\"><\/span><strong>2) ssh \u2606\u2606\u2606\u2606\u2606<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>\u529f\u80fd:<\/strong><\/p><ol><li><strong>\u8fdc\u7a0b\u8fde\u63a5\uff0c\u5207\u6362\u5230\u76ee\u6807\u673a\u5668.<\/strong><\/li><li><strong>\u8fdc\u7a0b\u8fde\u63a5\u5e76\u6267\u884c\u547d\u4ee4\u6216\u811a\u672c\uff0c\u56de\u5230\u539f\u672c\u673a\u5668.(\u6ce8\u610f\u4e0d\u8981\u6267\u884c\u4ea4\u4e92\u5f0f\u547d\u4ee4)<\/strong><\/li><\/ol><p><strong>\u6848\u4f8b01: \u4f7f\u7528oldboy\u7528\u6237\u8fdc\u7a0b\u8fde\u63a5\u523010.0.0.41\u768422\u7aef\u53e3<\/strong><\/p><p><strong><code>ssh -p 22 oldboy@10.0.0.41<\/code><\/strong><\/p><p><strong>\u6848\u4f8b02: \u4f7f\u7528oldboy\u7528\u6237\u8fdc\u7a0b\u8fde\u63a5\u523010.0.0.41\u768422\u7aef\u53e3\u5e76\u6267\u884cwhoami\u547d\u4ee4\u6216ip a \u547d\u4ee4<\/strong><\/p><p><strong><code>ssh -p 22 oldboy@10.0.0.41 whoami<\/code><\/strong><\/p><p><strong>\u6848\u4f8b03: \u8fdc\u7a0b\u8fde\u63a510.0.0.31\u8282\u70b9\u5e76\u6267\u884c\u591a\u6761\u547d\u4ee4:whoami , pwd, hostname\u547d\u4ee4<\/strong><\/p><p><strong><code>ssh -p22 nfs01 \u00a0\"whoami \u054e\u962a pwd \u054e\u962a hostname -I \"<\/code><\/strong><\/p><p><strong><code>ssh -p22 nfs01 \u00a0\"whoami ; pwd ; hostname -I \u00a0 \"<\/code><\/strong><\/p><p><strong>&amp;&amp; \u5e76\u4e14,\u547d\u4ee4\u884c\u4e2d\u8868\u793a\u524d\u4e00\u4e2a\u547d\u4ee4\u6267\u884c\u6210\u529f\u518d\u6267\u884c\u540e\u9762\u7684\u547d\u4ee4.<\/strong><\/p><p><strong>; \u5206\u53f7,\u5206\u9694\u547d\u4ee4.\u76f8\u5f53\u4e8e\u662f1\u884c\u7684\u7ed3\u675f.<\/strong><\/p><h3><span class=\"ez-toc-section\" id=\"3_sftp\"><\/span><strong>3) sftp<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>ftp \u6587\u4ef6\u4f20\u8f93\u534f\u8bae<\/strong><\/p><p><strong>sftp linux\u4e2dftp\u5ba2\u6237\u7aef\u548clrzsz\u7c7b\u4f3c.<\/strong><\/p><p><strong>lrzsz\u4f20\u8f93\u5927\u6587\u4ef6\u8f83\u6162. \u63a8\u8350\u4f7f\u7528scp\u5373\u53ef.<\/strong><\/p><p><strong>ftp\u5de5\u5177\u5f00\u53d1\u4eba\u5458\u4f7f\u7528.\u64cd\u4f5clinux\u7684\u76ee\u5f55\u548c\u6587\u4ef6.<\/strong><\/p><p><strong>ftp\u6587\u4ef6\u4f20\u8f93\u534f\u8bae,\u670d\u52a1\u548c\u5ba2\u6237\u7aef,\u670d\u52a1\u7aef\u7aef\u53e3\u662f21\u548c20.<\/strong><\/p><p><strong>openssh (sshd)\u4e5f\u63d0\u4f9b\u4e86,ftp\u529f\u80fd,sftp,\u7aef\u53e3\u662f22.<\/strong><\/p><p><strong>ftp\u5ba2\u6237\u7aef:\u5e38\u7528sftp\u547d\u4ee4,\u8f6f\u4ef6xftp,winscp&#8230;&#8230;&#8230;.<\/strong><\/p><p><strong>\u5982\u679c\u4e0a\u4f20\u5927\u6587\u4ef6\u5efa\u8bae\u4f7f\u7528ftp\u6216scp<\/strong><\/p><h2><span class=\"ez-toc-section\" id=\"26_Openssh%E5%B0%8F%E7%BB%93\"><\/span><strong>2.6 Openssh\u5c0f\u7ed3<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><p><strong>openssh \u670d\u52a1 vs telnet \u670d\u52a1\u533a\u522b<\/strong><\/p><p><strong>openssh\u670d\u52a1\u7aef: \/etc\/ssh\/sshd_config\u7aef\u53e3,\u7981\u7528root\u8fdc\u7a0b\u767b\u5f55.<\/strong><\/p><p><strong>openssh \u5ba2\u6237\u7aef: scp(-rp -P\u7aef\u53e3) ssh(-p\u7aef\u53e3)<\/strong><\/p><h2><span class=\"ez-toc-section\" id=\"27_%E5%AF%86%E9%92%A5%E8%AE%A4%E8%AF%81_%E2%98%86%E2%98%86%E2%98%86%E2%98%86%E2%98%86\"><\/span><strong>2.7 \u5bc6\u94a5\u8ba4\u8bc1 \u2606\u2606\u2606\u2606\u2606<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><h3><span class=\"ez-toc-section\" id=\"1_%E6%A6%82%E8%BF%B0\"><\/span><strong>1) \u6982\u8ff0 <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>Linux\u4e2d\u6211\u4eec\u8981\u8fde\u63a5\u4e3b\u673a,\u8f93\u5165\u7528\u6237\u5bc6\u7801\u7136\u540e\u8fde\u63a5.<\/strong><\/p><p><strong>\u6211\u4eec\u53d1\u73b0\u6bcf\u6b21\u8fde\u63a5\u90fd\u8981\u8f93\u5165\u5bc6\u7801,\u5bf9\u4e8e\u4e00\u4e9b\u6279\u91cf\u64cd\u4f5c\u4e0d\u65b9\u4fbf.<\/strong><\/p><p><strong>\u6211\u4eec\u9700\u8981\u6709\u4e00\u79cd\u65b0\u7684\u8ba4\u8bc1\u65b9\u6cd5,\u6bcf\u6b21\u8fde\u63a5\u4e0d\u9700\u8981\u8f93\u5165\u5bc6\u7801.<\/strong><\/p><p><strong>\u8fd9\u4e2a\u65b9\u6cd5\u53eb: \u5bc6\u94a5\u8ba4\u8bc1(\u514d\u5bc6\u7801\u767b\u5f55,\u53cc\u673a\u4e92\u4fe1.)<\/strong><\/p><h3><span class=\"ez-toc-section\" id=\"2_%E5%8E%9F%E7%90%86%E6%B5%81%E7%A8%8B\"><\/span><strong>2) \u539f\u7406(\u6d41\u7a0b)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1698\" src=\"https:\/\/linuxjk.cn\/wp-content\/uploads\/2025\/07\/SSH\u5bc6\u94a5\u8ba4\u8bc1\u539f\u7406.png\" alt=\"\" width=\"1567\" height=\"1161\" srcset=\"https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/07\/SSH\u5bc6\u94a5\u8ba4\u8bc1\u539f\u7406.png 1567w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/07\/SSH\u5bc6\u94a5\u8ba4\u8bc1\u539f\u7406-300x222.png 300w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/07\/SSH\u5bc6\u94a5\u8ba4\u8bc1\u539f\u7406-1024x759.png 1024w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/07\/SSH\u5bc6\u94a5\u8ba4\u8bc1\u539f\u7406-768x569.png 768w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/07\/SSH\u5bc6\u94a5\u8ba4\u8bc1\u539f\u7406-1536x1138.png 1536w\" sizes=\"(max-width: 1567px) 100vw, 1567px\" \/><\/strong><\/p><h3><span class=\"ez-toc-section\" id=\"3_%E6%89%8B%E5%8A%A8%E5%88%9B%E5%BB%BA%E4%B8%8E%E5%88%86%E5%8F%91%E5%AF%86%E9%92%A5%EF%BC%88%E5%8D%95%E6%96%B9%E9%9D%A2%E7%9A%84%EF%BC%89_%E2%98%86%E2%98%86%E2%98%86%E2%98%86%E2%98%86\"><\/span><strong>3) \u624b\u52a8\u521b\u5efa\u4e0e\u5206\u53d1\u5bc6\u94a5\uff08\u5355\u65b9\u9762\u7684\uff09 \u2606\u2606\u2606\u2606\u2606<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p><code>\u76ee\u7684\uff1a\u7ba1\u7406\u673am01\u8fde\u63a5\u6240\u6709\u673a\u5668\uff0c\u5728\u7ba1\u7406\u673a\u4e0a\u521b\u5efa\u5bc6\u94a5\u5bf9<\/code><\/p><p><strong>\u2460\u521b\u5efa\u79d8\u94a5\u5bf9<\/strong><\/p><p><strong>\u2461\u53d1\u9001\u516c\u94a5\u7ed9\u5bf9\u5e94\u7684\u8282\u70b9.<\/strong><\/p><p><strong>#1.\u521b\u5efa\u5bc6\u94a5\u5bf9\uff08\u94a5\u5319\uff09<\/strong><\/p><p><strong><code>ssh-keygen<\/code> #\u7136\u540e3\u4e2a\u56de\u8f66\u5373\u53ef.\u7b2c\u4e8c\u4e2a\u56de\u8f66\u663e\u793apassphrase\u8bbe\u7f6e\u5bc6\u7801<\/strong><\/p><p><strong>\u5b58\u50a8\u5728\/root\/.ssh\/id_rsa<\/strong><\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1757\" src=\"https:\/\/linuxjk.cn\/wp-content\/uploads\/2025\/08\/ssh\u521b\u5efa\u79d8\u94a5.png\" alt=\"\" width=\"2560\" height=\"1245\" srcset=\"https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/08\/ssh\u521b\u5efa\u79d8\u94a5.png 2560w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/08\/ssh\u521b\u5efa\u79d8\u94a5-300x146.png 300w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/08\/ssh\u521b\u5efa\u79d8\u94a5-1024x498.png 1024w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/08\/ssh\u521b\u5efa\u79d8\u94a5-768x374.png 768w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/08\/ssh\u521b\u5efa\u79d8\u94a5-1536x747.png 1536w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/08\/ssh\u521b\u5efa\u79d8\u94a5-2048x996.png 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/p><p><strong>#2.\u5206\u53d1\u516c\u94a5\u5230\u5bf9\u5e94\u7684\u8282\u70b9\uff08\u9501\u5934\uff09<\/strong><\/p><p><strong><code>ssh-copy-id \u00a0-i \/root\/.ssh\/id_rsa.pub \u00a0root@172.16.1.31<\/code><\/strong><\/p><p><strong>#\u539f\u7406\uff1a\u628a\u516c\u94a5\u4f20\u8f93\u5230\u5bf9\u5e94\u8282\u70b9\u7684<code>~\/.ssh\/authorized_keys<\/code><\/strong><\/p><p><strong>#3.\u68c0\u9a8c<\/strong><\/p><p><strong><code>ssh root@172.16.1.31 hostname<\/code><\/strong><\/p><p><strong>\u6e29\u99a8\u63d0\u793a:<\/strong><\/p><p><strong>\u4e0d\u8981\u4fee\u6539.ssh\u76ee\u5f55\u6743\u9650,\u5bb6\u76ee\u5f55\u6743\u9650.\u5bc6\u94a5\u6587\u4ef6\u7684\u6743\u9650<\/strong><\/p><h3><span class=\"ez-toc-section\" id=\"%E6%AD%A3%E7%A1%AEssh%E6%96%87%E4%BB%B6%E6%9D%83%E9%99%90%E7%A4%BA%E6%84%8F%EF%BC%9A\"><\/span><strong>\u6b63\u786essh\u6587\u4ef6\u6743\u9650\u793a\u610f\uff1a<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u7ba1\u7406\u673a\uff1a<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1758\" src=\"https:\/\/linuxjk.cn\/wp-content\/uploads\/2025\/08\/\u6b63\u786essh\u6587\u4ef6\u6743\u9650.png\" alt=\"\" width=\"911\" height=\"343\" srcset=\"https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/08\/\u6b63\u786essh\u6587\u4ef6\u6743\u9650.png 911w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/08\/\u6b63\u786essh\u6587\u4ef6\u6743\u9650-300x113.png 300w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/08\/\u6b63\u786essh\u6587\u4ef6\u6743\u9650-768x289.png 768w\" sizes=\"(max-width: 911px) 100vw, 911px\" \/><\/p><p>\u88ab\u7ba1\u7406\u7aef\uff1a<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1759\" src=\"https:\/\/linuxjk.cn\/wp-content\/uploads\/2025\/08\/ssh\u6743\u9650\u5ba2\u6237\u7aef.png\" alt=\"\" width=\"905\" height=\"238\" srcset=\"https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/08\/ssh\u6743\u9650\u5ba2\u6237\u7aef.png 905w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/08\/ssh\u6743\u9650\u5ba2\u6237\u7aef-300x79.png 300w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/08\/ssh\u6743\u9650\u5ba2\u6237\u7aef-768x202.png 768w\" sizes=\"(max-width: 905px) 100vw, 905px\" \/><\/p><h3><span class=\"ez-toc-section\" id=\"4_%E5%A6%82%E4%BD%95%E8%87%AA%E5%8A%A8%E5%88%86%E5%8F%91%E5%85%AC%E9%92%A5\"><\/span><strong>4) \u5982\u4f55\u81ea\u52a8\u5206\u53d1\u516c\u94a5<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>\u963b\u788d:<\/strong><\/p><p><strong>\u8f93\u5165yes\/no<\/strong><\/p><p><strong>\u8f93\u5165\u5bc6\u7801<\/strong><\/p><p><strong>\u8f93\u5165\u5bc6\u7801: yum\u5b89\u88c5 sshpass<\/strong><\/p><p><strong>\u81ea\u52a8\u8f93\u5165\u5bc6\u7801\u7684\u89e3\u51b3\u65b9\u6848:<\/strong><\/p><p><strong><code>sshpass<\/code>:\u63a8\u8350\u7b80\u5355\u6613\u7528.\u7ed9ssh\u76f8\u5173\u547d\u4ee4\u63d0\u4f9b\u5bc6\u7801.<\/strong><\/p><p><strong><code>expect<\/code>\uff08\u65e9\u671f\u4f7f\u7528\uff09:\u8f83\u4e3a\u590d\u6742,\u4e00\u95e8\u8bed\u8a00,\u5b9e\u73b0\u628a\u4ea4\u4e92\u8f6c\u6362\u4e3a\u975e\u4ea4\u4e92\uff0c\u7c7b\u4f3c\u5224\u65ad.<\/strong><\/p><p><strong><code>sshpass -p1 ssh-copy-id \u00a0172.16.1.41<\/code><\/strong><\/p><p><strong>-p\u6307\u5b9assh\u7684\u5bc6\u7801<\/strong><\/p><p><strong>\u5982\u679c.41\u662f\u7b2c1\u6b21\u8fde\u63a5,\u5219\u9700\u8981\u8f93\u5165yes\/no,\u8fd9\u4e2a\u5c31\u4f1a\u5bfc\u81f4sshpass+ssh-copy-id\u5931\u8d25.\ud83d\udc47<\/strong><\/p><h4><span class=\"ez-toc-section\" id=\"sshpass%E9%80%89%E9%A1%B9\"><\/span><strong>sshpass\u9009\u9879<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4><p><strong>-p\u6307\u5b9a\u5bc6\u7801<\/strong><\/p><p><strong>-f\u6307\u5b9a\u5bc6\u7801\u6587\u4ef6(\u5bc6\u7801\u653e\u5728\u6587\u4ef6\u4e2d)<\/strong><\/p><p><strong>-e \u4eceSSHPASS\u73af\u5883\u53d8\u91cf\u8bfb\u53d6<\/strong><\/p><p><strong>export SSHPASS=xxxx<\/strong><\/p><h4><span class=\"ez-toc-section\" id=\"%E8%A7%A3%E5%86%B3yesno%E7%9A%84%E9%97%AE%E9%A2%98\"><\/span><strong>\u89e3\u51b3yes\/no\u7684\u95ee\u9898<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4><p><strong>linux\u8fde\u63a5\u65b0\u7684\u4e3b\u673a\u7684\u65f6\u5019,\u505a\u4e861\u4e2a\u4e3b\u673a\u4fe1\u606f\u8ba4\u8bc1(\u6821\u9a8c),\u9009\u62e9yes\u540e\u4fe1\u606f\u5c31\u4f1a\u88ab\u5b58\u653e\u5230~\/.ssh\/known_hosts\u6587\u4ef6\u4e2d.<\/strong><\/p><p><strong>\u5e0c\u671b\u5206\u53d1\u516c\u94a5\u7684\u65f6\u5019<code>\u4e34\u65f6\u5173\u95ed<\/code>\u8fd9\u4e2a\u529f\u80fd.<\/strong><\/p><p><strong><code>HostKeyChecking\u6216StrictHostKeyChecking<\/code><\/strong><\/p><p><strong>\u5f7b\u5e95\u5173\u95edyes\/no\u63d0\u793a. <code>StrictHostkeychecking=no<\/code><\/strong><\/p><p><strong>\u4ec5\u4ec5\u5728\u4f7f\u7528ssh-copy-id\u7684\u65f6\u5019\u5173\u95ed(\u4e34\u65f6),\u672a\u6765\u5199\u5165\u811a\u672c<\/strong><\/p><p><strong><code>sshpass -p1 ssh-copy-id -i \/root\/.ssh\/id_rsa.pub -o StrictHostKeyChecking=no 172.16.1.41<\/code><\/strong><\/p><p><strong>#-o\u9009\u9879\u672c\u8d28\u662fssh\u547d\u4ee4\u7684\u9009\u9879<\/strong><\/p><h3><span class=\"ez-toc-section\" id=\"5_%E4%B8%80%E9%94%AE%E5%88%9B%E5%BB%BA%E7%A7%98%E9%92%A5%E5%AF%B9_%E2%98%86%E2%98%86%E2%98%86%E2%98%86%E2%98%86\"><\/span><strong>5) \u4e00\u952e\u521b\u5efa\u79d8\u94a5\u5bf9 \u2606\u2606\u2606\u2606\u2606<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong><code>ssh-keygen \u00a0-f \/root\/.ssh\/id_rsa \u00a0 -P ' '<\/code>\u00a0 \uff08\u6307\u5b9a\u4e86\u79d8\u94a5\u4f4d\u7f6e\u548c\u5bc6\u7801\u9632\u6b62\u4ea4\u4e92\uff09<\/strong><\/p><p><strong>-f \u6307\u5b9a\u5bc6\u94a5\u6587\u4ef6\u4f4d\u7f6e\u548c\u6587\u4ef6\u540d<\/strong><\/p><p><strong>-P \u6307\u5b9a\u5bc6\u7801\u77ed\u8bed &#8220;&#8221; &#8221; \u8868\u793a\u8bbe\u7f6e\u4e3a\u7a7a.<\/strong><\/p><h3><span class=\"ez-toc-section\" id=\"6_%E4%B9%A6%E5%86%99%E4%B8%80%E9%94%AE%E8%84%9A%E6%9C%AC\"><\/span><strong>6) \u4e66\u5199\u4e00\u952e\u811a\u672c<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ol><li><strong>\u68c0\u67e5\u5bc6\u94a5\u6587\u4ef6\u662f\u5426\u5b58\u5728,\u5982\u679c\u4e0d\u5b58\u5728\u5219\u521b\u5efa ~\/.ssh\/id_rsa<\/strong><\/li><li><strong>ip\u5217\u8868(\u53d8\u91cf,\u6587\u4ef6,\u6570\u7ec4)\u5206\u53d1\u516c\u94a5<\/strong><\/li><li><strong>for+\u5206\u53d1\u547d\u4ee4<\/strong><\/li><li><strong>\u68c0\u67e5\u6210\u529f,\u5931\u8d25<\/strong><\/li><li><strong>for+\u6279\u91cf\u6267\u884c\u547d\u4ee4<\/strong><\/li><li><strong>for+ssh\u547d\u4ee4 hostname -I<\/strong><\/li><\/ol><p><strong>cat \/server\/scripts\/fenfa.sh<\/strong><\/p><pre><strong>#!\/bin\/bash<\/strong>\n<strong>#author: lidao996<\/strong>\n<strong>#desc:<\/strong>\n<strong># \u00a0 1.\u4e00\u952e\u521b\u5efa\u79d8\u94a5\u5bf9(\u5982\u679c\u4e0d\u5b58\u5728)<\/strong>\n<strong># \u00a0 2.\u4e00\u952e\u5206\u53d1\u516c\u94a5<\/strong>\n<strong># \u00a0 3.\u4e00\u952e\u68c0\u67e5<\/strong>\n<strong>#1. vars<\/strong>\n<strong>key=\/root\/.ssh\/id_rsa<\/strong>\n<strong>ips=\"7 31 41\"<\/strong>\n<strong>pass=1<\/strong>\n<strong>#ips=\"`cat \/server\/files\/ip.txt`\"<\/strong>\n<strong>#2. \u4e00\u952e\u521b\u5efa\u79d8\u94a5\u5bf9<\/strong>\n<strong>if [ ! -f $key ];then<\/strong>\n<strong>ssh-keygen \u00a0-f $key \u00a0 -P \u00a0'' &amp;&gt;\/dev\/null<\/strong>\n<strong>if [ $? -eq 0 ];then<\/strong>\n<strong>echo \"\u79d8\u94a5\u5bf9\u521b\u5efa\u6210\u529f\"<\/strong>\n<strong>else<\/strong>\n<strong>cho \"\u5bc6\u94a5\u5bf9\u521b\u5efa\u5931\u8d25\"<\/strong>\n<strong>exit 1<\/strong>\n<strong>fi<\/strong>\n<strong>fi<\/strong>\n<strong>#3. \u4e00\u952e\u5206\u53d1\u516c\u94a5<\/strong>\n<strong>echo \"\u5206\u53d1\u516c\u94a5-\u5f00\u59cb\"<\/strong>\n<strong>for ip \u00a0in \u00a0$ips<\/strong>\n<strong>do<\/strong>\n<strong>sshpass -p$pass ssh-copy-id -o<\/strong>\n<strong>StrictHostKeyChecking=no 172.16.1.$ip<\/strong>\n<strong>#\u8fd9\u91cc\u4e5f\u53ef\u4ee5\u901a\u8fc7$? + if\u5224\u65ad\u516c\u94a5\u5206\u53d1\u662f\u5426\u6210\u529f<\/strong>\n<strong>done<\/strong>\n<strong>echo \"\u5206\u53d1\u516c\u94a5-\u5b8c\u6210\"<\/strong>\n<strong>#4. \u4e00\u952e\u68c0\u67e5<\/strong>\n<strong>echo \"\u68c0\u67e5-\u5f00\u59cb\"<\/strong>\n<strong>for ip in $ips<\/strong>\n<strong>do<\/strong>\n<strong>ssh \u00a0-o StrictHostKeyChecking=no \u00a0172.16.1.$ip<\/strong>\n<strong>hostname -I<\/strong>\n<strong>#\u8fd9\u91cc\u4e5f\u53ef\u4ee5\u901a\u8fc7$? + if\u6267\u884c\u662f\u5426\u6210\u529f<\/strong>\n<strong>done<\/strong>\n\n<strong>echo \"\u68c0\u67e5-\u7ed3\u675f\"<\/strong><\/pre><h3><span class=\"ez-toc-section\" id=\"%E8%BF%90%E8%A1%8C%E6%95%88%E6%9E%9C%EF%BC%9A\"><\/span>\u8fd0\u884c\u6548\u679c\uff1a<span class=\"ez-toc-section-end\"><\/span><\/h3><h3><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1769\" src=\"https:\/\/linuxjk.cn\/wp-content\/uploads\/2025\/08\/ip\u5217\u8868.png\" alt=\"\" width=\"718\" height=\"341\" srcset=\"https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/08\/ip\u5217\u8868.png 718w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/08\/ip\u5217\u8868-300x142.png 300w\" sizes=\"(max-width: 718px) 100vw, 718px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1768\" src=\"https:\/\/linuxjk.cn\/wp-content\/uploads\/2025\/08\/\u6279\u91cf\u8fde\u63a5\u6210\u529f.png\" alt=\"\" width=\"1019\" height=\"785\" srcset=\"https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/08\/\u6279\u91cf\u8fde\u63a5\u6210\u529f.png 1019w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/08\/\u6279\u91cf\u8fde\u63a5\u6210\u529f-300x231.png 300w, https:\/\/linuxjk.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/08\/\u6279\u91cf\u8fde\u63a5\u6210\u529f-768x592.png 768w\" sizes=\"(max-width: 1019px) 100vw, 1019px\" \/><\/h3><h3><span class=\"ez-toc-section\" id=\"7_%E5%AF%86%E9%92%A5%E8%AE%A4%E8%AF%81%E5%B0%8F%E7%BB%93\"><\/span><strong>7) \u5bc6\u94a5\u8ba4\u8bc1\u5c0f\u7ed3<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>\u5bc6\u94a5\u8ba4\u8bc1\u5b8c\u6210\u540e\u901a\u8fc7\u811a\u672c\u5b9e\u73b0\u57fa\u672c\u7684\u6279\u91cf\u7ba1\u7406.<\/strong><\/p><p><strong>\u4e66\u5199\u811a\u672c+ssh\/scp\u547d\u4ee4.<\/strong><\/p><p><strong>\u5bc6\u94a5\u8ba4\u8bc1\u540e\u9762\u5f88\u591a\u670d\u52a1\u6240\u5fc5\u987b\u7684\u5e95\u5c42\u73af\u5883: ansible.<\/strong><\/p><h2><span class=\"ez-toc-section\" id=\"28_SSHD%E5%B0%8F%E7%BB%93\"><\/span><strong>2.8 SSHD\u5c0f\u7ed3<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><p><strong>\u4fee\u6539sshd\u670d\u52a1\u7aef\u914d\u7f6e\u6587\u4ef6\u4fee\u6539ssh\u7aef\u53e3\u53f7,\u4fee\u6539ssh\u7981\u7528root\u8fdc\u7a0b\u767b\u5f55.<\/strong><\/p><p><strong>\u4f7f\u7528ssh\u547d\u4ee4\u8fdc\u7a0b\u8fde\u63a5,\u4f7f\u7528scp\u4f20\u8f93\u6570\u636e.<\/strong><\/p><p><strong>\u914d\u7f6e\u4e3b\u673a\u7684\u79d8\u94a5\u8ba4\u8bc1(\u5199\u6210\u811a\u672c)<\/strong><\/p><p><strong>Ansible\u8fdb\u884c\u521d\u6b65\u6279\u91cf\u7ba1\u7406<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>sshd\u670d\u52a1&#8212;\u4e00\u952e\u90e8\u7f72\u5bc6\u94a5\u8fde\u63a5\u811a\u672c \u624b\u673a\u7aef\u53ef\u76f4\u63a5\u64ad\u653e\u4e0b\u65b9\u89c6\u9891\uff0cPC\u7aef\u8bf7\u70b9\u51fb\u64ad\u653e\u6309\u94ae\u6216\u70b9\u6b64\u5904\u67e5\u770b\u539f\u89c6\u9891 \u6682\u65f6 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[12],"class_list":["post-1692","post","type-post","status-publish","format-standard","hentry","category-vxhs888p","tag-study-note"],"_links":{"self":[{"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/posts\/1692","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1692"}],"version-history":[{"count":29,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/posts\/1692\/revisions"}],"predecessor-version":[{"id":2073,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/posts\/1692\/revisions\/2073"}],"wp:attachment":[{"href":"https:\/\/linuxjk.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1692"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1692"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1692"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}