{"id":18198,"date":"2025-11-11T10:29:59","date_gmt":"2025-11-11T02:29:59","guid":{"rendered":"https:\/\/ailog.tw\/lifelog\/?p=18198"},"modified":"2025-11-11T10:29:59","modified_gmt":"2025-11-11T02:29:59","slug":"ssh-nokey-login","status":"publish","type":"post","link":"https:\/\/ailog.tw\/lifelog\/2025\/11\/11\/ssh-nokey-login\/","title":{"rendered":"Linux\u4e3b\u6a5f\u900f\u904e\u91d1\u9470\u767b\u5165 SSH Server"},"content":{"rendered":"

\u5728Linux\u4e3b\u6a5f\u4e0a\u900f\u904e\u91d1\u9470\u514d\u8f38\u5165\u5bc6\u78bc\u767b\u5165\u5176\u4ed6\u53f0Linux(SSH Server)\u9019\u662f\u5f88\u5e38\u898b\u7684\u61c9\u7528\uff0c\u4f46\u9019\u662f\u5982\u4f55\u8a2d\u5b9a\u7684\u5462?\u5feb\u8ddf\u8457\u5c0f\u7de8\u4e00\u8d77\u4f86\u4e86\u89e3\u5427!<\/p>\n

<\/p>\n

\u60c5\u5883\u8aaa\u660e\uff1a
\n\u6709\u5169\u53f0Linux\u4e3b\u6a5f\uff0c\u5206\u5225\u70ba\u300cA \u8a2d\u5099\u300d\u8ddf\u300cB\u8a2d\u5099\u300d\uff0c\u300cA\u8a2d\u5099\u300d\u60f3\u900f\u904e\u91d1\u9470\u514d\u8f38\u5165\u5bc6\u78bc\u7684\u65b9\u5f0fSSH\u767b\u5165\u5230\u300cB\u8a2d\u5099\u300d\u3002<\/p>\n

\u6b65\u9a5f\u4e00\uff1a
\n\u5728 A \u8a2d\u5099 (Client \u7aef) \u7522\u751f SSH\u91d1\u9470<\/span><\/p>\n

ssh-keygen -t rsa -b 4096<\/span><\/pre>\n
\u203b\u6307\u4ee4\u8aaa\u660e\uff1a
\nssh-keygen: \u7522\u751f\u91d1\u9470\u7684\u6307\u4ee4\u3002
\n-t rsa: \u6307\u5b9a\u4f7f\u7528 RSA \u52a0\u5bc6\u6f14\u7b97\u6cd5\u3002
\n-b 4096: \u6307\u5b9a\u91d1\u9470\u4f4d\u5143\u9577\u5ea6\uff084096 \u4f4d\u5143\u66f4\u5b89\u5168\uff0c\u9810\u8a2d\u901a\u5e38\u662f 2048\uff09\u3002<\/p>\n
\u57f7\u884c\u904e\u7a0b\uff0c\u7cfb\u7d71\u6703\u63d0\u793a\u60a8\u56de\u7b54\u5e7e\u500b\u554f\u984c\uff1a
\nEnter file in which to save the key… (~\/.ssh\/id_rsa):
\n\u76f4\u63a5\u6309 Enter \u4f7f\u7528\u9810\u8a2d\u8def\u5f91\u548c\u6a94\u6848\u540d\u7a31 (id_rsa \u79c1\u9470, id_rsa.pub \u516c\u9470) \u5373\u53ef\u3002<\/p>\n
Enter passphrase (empty for no passphrase):
\n\u91cd\u8981\uff1a \u70ba\u4e86\u5be6\u73fe\u514d\u5bc6\u78bc\u767b\u5165\uff0c\u8acb\u76f4\u63a5\u6309 Enter \u7559\u7a7a\u3002<\/p>\n
\u5982\u679c\u8a2d\u5b9a\u4e86\u5bc6\u78bc\uff0c\u6bcf\u6b21\u4f7f\u7528\u9019\u628a\u91d1\u9470\u767b\u5165\u6642\uff0c\u90fd\u9700\u8981\u8f38\u5165\u8a72\u5bc6\u78bc\u3002
\nEnter same passphrase again:
\n\u76f4\u63a5\u6309 Enter \u78ba\u8a8d\u7559\u7a7a\u3002<\/p>\n
\u6210\u529f\u5f8c\uff0c\u60a8\u7684\u91d1\u9470\u6703\u5132\u5b58\u5728\u4f7f\u7528\u8005\u5bb6\u76ee\u9304\u4e0b\u7684 .ssh \u8cc7\u6599\u593e\u4e2d\uff1a
\n~\/.ssh\/id_rsa: \u79c1\u9470 (Private Key)\uff0c\u6975\u5ea6\u91cd\u8981\uff0c\u8acb\u52d9\u5fc5\u59a5\u5584\u4fdd\u7ba1\uff0c\u4e0d\u53ef\u5916\u6d29\uff01<\/span>
\n~\/.ssh\/id_rsa.pub: \u516c\u9470 (Public Key)\uff0c\u53ef\u4ee5\u516c\u958b\u3002<\/p>\n
 <\/p>\n
\u6b65\u9a5f\u4e8c\uff1a
\n\u53d6\u5f97A \u8a2d\u5099 (Client \u7aef) \u7522\u751f SSH \u516c\u9470\u5167\u5bb9\u8cc7\u8a0a<\/p>\n
cat ~\/.ssh\/id_rsa.pub<\/span><\/pre>\n
\"\"<\/p>\n
 <\/p>\n
\u6b65\u9a5f\u4e09\uff1a
\n\u5728 B \u8a2d\u5099\u4e0a\uff0c\u6aa2\u67e5\u4e26\u5efa\u7acb\u300c.ssh\u300d<\/span>\u76ee\u9304\u548c \u300cauthorized_keys \u300d<\/span>\u6a94\u6848\uff0c\u4e26\u8a2d\u5b9a\u6b0a\u9650\uff1a
\n(1)\u3001<\/span>\u5efa\u7acb\u300c.ssh\u300d\u76ee\u9304<\/p>\n
mkdir -p ~\/.ssh<\/span>\r\nchmod 700 ~\/.ssh<\/span><\/pre>\n
(2)\u3001<\/span>\u5c07\u300c A \u8a2d\u5099\u300d\u7684\u516c\u9470<\/span>\u8cbc\u5230 authorized_keys \u6a94\u6848\u672b\u7aef<\/p>\n
vim ~\/.ssh\/authorized_keys<\/span><\/pre>\n
\"\"<\/p>\n
(3)\u3001<\/span>\u8a2d\u5b9a authorized_keys \u6a94\u6848\u6b0a\u9650<\/p>\n
chmod 600 ~\/.ssh\/authorized_keys<\/span><\/pre>\n
 <\/p>\n
\u6b65\u9a5f\u56db\uff1a
\n\u300c A \u8a2d\u5099\u300d\u6e2c\u8a66\u514d\u5bc6\u78bc\u767b\u5165<\/p>\n
ssh [\u4f7f\u7528\u8005\u5e33\u865f]@[\u8a2d\u5099BIP]<\/span><\/pre>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728Linux\u4e3b\u6a5f\u4e0a\u900f\u904e\u91d1\u9470\u514d\u8f38\u5165\u5bc6\u78bc\u767b\u5165\u5176\u4ed6\u53f0Linux(SSH Server)\u9019\u662f\u5f88\u5e38\u898b\u7684\u61c9\u7528\uff0c\u4f46\u9019\u662f\u5982\u4f55\u8a2d … <\/p>\n
\u95b1\u8b80\u5168\u6587\u3008Linux\u4e3b\u6a5f\u900f\u904e\u91d1\u9470\u767b\u5165 SSH Server\u3009<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,379],"tags":[39,6723],"class_list":["post-18198","post","type-post","status-publish","format-standard","hentry","category-itinfo","category-linux","tag-ssh","tag-6723"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/posts\/18198","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/comments?post=18198"}],"version-history":[{"count":6,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/posts\/18198\/revisions"}],"predecessor-version":[{"id":18206,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/posts\/18198\/revisions\/18206"}],"wp:attachment":[{"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/media?parent=18198"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/categories?post=18198"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/tags?post=18198"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}