{"id":63456,"date":"2026-01-22T00:48:41","date_gmt":"2026-01-21T16:48:41","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/63456.html"},"modified":"2026-01-22T00:48:41","modified_gmt":"2026-01-21T16:48:41","slug":"ubuntu%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%bf%ab%e9%80%9f%e4%b8%8a%e6%89%8b%ef%bc%9a%e5%88%9d%e5%a7%8b%e9%85%8d%e7%bd%ae%e4%b8%8e%e5%ae%89%e5%85%a8%e8%ae%be%e7%bd%ae%e6%95%99%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/63456.html","title":{"rendered":"Ubuntu\u670d\u52a1\u5668\u5feb\u901f\u4e0a\u624b\uff1a\u521d\u59cb\u914d\u7f6e\u4e0e\u5b89\u5168\u8bbe\u7f6e\u6559\u7a0b"},"content":{"rendered":"<p>\u9996\u6b21\u521b\u5efa\u65b0\u7684 Ubuntu \u670d\u52a1\u5668\u65f6&#xff0c;\u60a8\u5e94\u8be5\u6267\u884c\u4e00\u4e9b\u91cd\u8981\u7684\u914d\u7f6e\u6b65\u9aa4\u4f5c\u4e3a\u521d\u59cb\u8bbe\u7f6e\u7684\u4e00\u90e8\u5206\u3002\u8fd9\u4e9b\u6b65\u9aa4\u5c06\u63d0\u9ad8\u60a8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u548c\u53ef\u7528\u6027&#xff0c;\u5e76\u4e3a\u540e\u7eed\u64cd\u4f5c\u6253\u4e0b\u575a\u5b9e\u7684\u57fa\u7840\u3002<\/p>\n<p>\u672c\u6559\u7a0b\u5df2\u5728 Ubuntu 22.04 LTS\u300124.04 LTS \u548c 24.10 \u4e0a\u7ecf\u8fc7\u9a8c\u8bc1\u3002\u6240\u4f7f\u7528\u7684\u547d\u4ee4\u57fa\u4e8e\u9ed8\u8ba4\u8f6f\u4ef6\u5305&#xff0c;\u8fd9\u4e9b\u8f6f\u4ef6\u5305\u5728\u5f53\u524d\u4e34\u65f6\u7248\u672c\u4ee5\u53ca\u5373\u5c06\u53d1\u5e03\u7684\u3001\u91c7\u7528 apt\u3001OpenSSH \u548c UFW \u9ed8\u8ba4\u914d\u7f6e\u7684 25.x \u7248\u672c\u4e2d\u4fdd\u6301\u7a33\u5b9a\u3002<\/p>\n<h3>Ubuntu \u521d\u59cb\u670d\u52a1\u5668\u8bbe\u7f6e<\/h3>\n<ul>\n<li>\u4ee5 root \u8eab\u4efd\u767b\u5f55<\/li>\n<li>\u521b\u5efa\u65b0\u7528\u6237<\/li>\n<li>\u6388\u4e88\u7ba1\u7406\u6743\u9650<\/li>\n<li>\u8bbe\u7f6e\u9632\u706b\u5899<\/li>\n<li>\u4e3a\u60a8\u7684\u666e\u901a\u7528\u6237\u542f\u7528\u5916\u90e8\u8bbf\u95ee<\/li>\n<\/ul>\n<h3>\u6b65\u9aa4 1 &#8211; \u4ee5 root \u8eab\u4efd\u767b\u5f55<\/h3>\n<p>\u8981\u767b\u5f55\u5230\u60a8\u7684\u670d\u52a1\u5668&#xff0c;\u60a8\u9700\u8981\u77e5\u9053\u670d\u52a1\u5668\u7684\u516c\u7f51 IP \u5730\u5740\u3002\u5982\u679c\u60a8\u4e3a\u8ba4\u8bc1\u5b89\u88c5\u4e86 SSH \u5bc6\u94a5&#xff0c;\u5219\u8fd8\u9700\u8981 root \u7528\u6237\u8d26\u6237\u7684\u5bc6\u7801\u6216\u79c1\u94a5\u3002\u5982\u679c\u60a8\u5c1a\u672a\u767b\u5f55\u8fc7\u60a8\u7684\u670d\u52a1\u5668&#xff0c;\u53ef\u4ee5\u6309\u7167\u6211\u4eec\u5173\u4e8e\u5982\u4f55\u901a\u8fc7 SSH \u8fde\u63a5 Droplets \u7684\u6307\u5357\u64cd\u4f5c&#xff0c;DigitalOcean \u82f1\u6587\u5b98\u7f51\u4e2d\u7684\u6559\u7a0b\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u6b64\u8fc7\u7a0b\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5f53\u524d\u672a\u8fde\u63a5\u5230\u670d\u52a1\u5668&#xff0c;\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4ee5 root \u7528\u6237\u8eab\u4efd\u767b\u5f55\u3002\u5c06\u547d\u4ee4\u4e2d\u9ad8\u4eae\u7684 your_server_ip \u90e8\u5206\u66ff\u6362\u4e3a\u60a8\u670d\u52a1\u5668\u7684\u516c\u7f51 IP \u5730\u5740&#xff1a;<\/p>\n<p>ssh root&#064;your_server_ip<\/p>\n<p>\u5982\u679c\u51fa\u73b0\u5173\u4e8e\u4e3b\u673a\u771f\u5b9e\u6027\u7684\u8b66\u544a&#xff0c;\u8bf7\u63a5\u53d7\u5b83\u3002\u5982\u679c\u60a8\u7684\u670d\u52a1\u5668\u4f7f\u7528\u5bc6\u7801\u8ba4\u8bc1&#xff0c;\u8bf7\u63d0\u4f9b\u60a8\u7684 root \u5bc6\u7801\u4ee5\u767b\u5f55\u3002\u5982\u679c\u60a8\u4f7f\u7528\u7684 SSH \u5bc6\u94a5\u53d7\u5bc6\u7801\u4fdd\u62a4&#xff0c;\u5219\u53ef\u80fd\u9700\u8981\u5728\u6bcf\u4e2a\u4f1a\u8bdd\u4e2d\u9996\u6b21\u4f7f\u7528\u8be5\u5bc6\u94a5\u65f6\u8f93\u5165\u5bc6\u7801\u3002\u5982\u679c\u60a8\u662f\u9996\u6b21\u4f7f\u7528\u5bc6\u7801\u767b\u5f55\u670d\u52a1\u5668&#xff0c;\u53ef\u80fd\u8fd8\u9700\u8981\u66f4\u6539 root \u5bc6\u7801\u3002\u5982\u679c\u6536\u5230\u63d0\u793a&#xff0c;\u8bf7\u6309\u7167\u8bf4\u660e\u66f4\u6539\u5bc6\u7801\u3002<\/p>\n<p>\u5173\u4e8e root<\/p>\n<p>root \u7528\u6237\u662f Linux \u73af\u5883\u4e2d\u5177\u6709\u63d0\u5347\u6743\u9650\u7684\u7ba1\u7406\u5458\u7528\u6237\u3002\u7531\u4e8e root \u8d26\u6237\u5177\u6709\u8f83\u9ad8\u7684\u6743\u9650&#xff0c;\u4e0d\u5efa\u8bae\u60a8\u7ecf\u5e38\u4f7f\u7528\u5b83\u3002\u5373\u4f7f\u662f\u65e0\u610f\u7684&#xff0c;root \u8d26\u6237\u4e5f\u53ef\u80fd\u8fdb\u884c\u6781\u5177\u7834\u574f\u6027\u7684\u66f4\u6539\u3002<\/p>\n<p>\u4e0b\u4e00\u6b65\u662f\u521b\u5efa\u4e00\u4e2a\u5177\u6709\u8f83\u4f4e\u6743\u9650\u7684\u65b0\u7528\u6237\u8d26\u6237\u4ee5\u4f9b\u65e5\u5e38\u4f7f\u7528\u3002\u7a0d\u540e&#xff0c;\u6211\u4eec\u5c06\u5411\u60a8\u5c55\u793a\u5982\u4f55\u5728\u9700\u8981\u65f6\u4e34\u65f6\u83b7\u53d6\u63d0\u5347\u7684\u6743\u9650\u3002<\/p>\n<h3>\u6b65\u9aa4 2 &#8211; \u521b\u5efa\u65b0\u7528\u6237<\/h3>\n<p>\u4ee5 root \u8eab\u4efd\u767b\u5f55\u540e&#xff0c;\u60a8\u5c06\u80fd\u591f\u6dfb\u52a0\u65b0\u7528\u6237\u8d26\u6237\u3002\u5c06\u6765&#xff0c;\u6211\u4eec\u5c06\u4f7f\u7528\u8fd9\u4e2a\u65b0\u8d26\u6237\u800c\u4e0d\u662f root \u767b\u5f55\u3002<\/p>\n<p>\u6b64\u793a\u4f8b\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a sammy \u7684\u65b0\u7528\u6237&#xff0c;\u4f46\u60a8\u5e94\u5c06\u5176\u66ff\u6362\u4e3a\u60a8\u559c\u6b22\u7684\u7528\u6237\u540d&#xff1a;<\/p>\n<p>adduser sammy<\/p>\n<p>\u60a8\u5c06\u88ab\u95ee\u5230\u51e0\u4e2a\u95ee\u9898&#xff0c;\u9996\u5148\u662f\u8d26\u6237\u5bc6\u7801\u3002<\/p>\n<p>\u8f93\u5165\u4e00\u4e2a\u5f3a\u5bc6\u7801&#xff0c;\u5e76\u53ef\u9009\u5730\u586b\u5199\u4efb\u4f55\u60a8\u5e0c\u671b\u63d0\u4f9b\u7684\u5176\u4ed6\u4fe1\u606f\u3002\u8fd9\u4e9b\u4fe1\u606f\u4e0d\u662f\u5fc5\u9700\u7684&#xff0c;\u60a8\u53ef\u4ee5\u5728\u4efb\u4f55\u60f3\u8981\u8df3\u8fc7\u7684\u5b57\u6bb5\u4e2d\u6309 ENTER\u3002<\/p>\n<h3>\u6b65\u9aa4 3 &#8211; \u6388\u4e88\u7ba1\u7406\u6743\u9650<\/h3>\n<p>\u73b0\u5728\u60a8\u6709\u4e86\u4e00\u4e2a\u5177\u6709\u666e\u901a\u8d26\u6237\u6743\u9650\u7684\u65b0\u7528\u6237\u8d26\u6237\u3002\u4f46\u662f&#xff0c;\u60a8\u6709\u65f6\u9700\u8981\u4ee5 root \u7528\u6237\u8eab\u4efd\u6267\u884c\u7ba1\u7406\u4efb\u52a1\u3002<\/p>\n<p>\u4e3a\u4e86\u907f\u514d\u6ce8\u9500\u666e\u901a\u7528\u6237\u518d\u4ee5 root \u8d26\u6237\u91cd\u65b0\u767b\u5f55&#xff0c;\u60a8\u53ef\u4ee5\u4e3a\u60a8\u7528\u6237\u7684\u666e\u901a\u8d26\u6237\u8bbe\u7f6e\u6240\u8c13\u7684\u8d85\u7ea7\u7528\u6237\u6216 root \u6743\u9650\u3002\u8fd9\u4e9b\u6743\u9650\u5c06\u4f7f\u60a8\u7684\u666e\u901a\u7528\u6237\u80fd\u591f\u5728\u547d\u4ee4\u524d\u52a0\u4e0a sudo \u6765\u4ee5\u7ba1\u7406\u6743\u9650\u8fd0\u884c\u547d\u4ee4\u3002<\/p>\n<p>\u8981\u5c06\u8fd9\u4e9b\u6743\u9650\u6dfb\u52a0\u5230\u60a8\u7684\u65b0\u7528\u6237&#xff0c;\u60a8\u9700\u8981\u5c06\u8be5\u7528\u6237\u6dfb\u52a0\u5230 sudo \u7cfb\u7edf\u7ec4\u3002\u5728 Ubuntu \u4e0a&#xff0c;\u9ed8\u8ba4\u60c5\u51b5\u4e0b&#xff0c;\u5c5e\u4e8e sudo \u7ec4\u6210\u5458\u7684\u7528\u6237\u88ab\u5141\u8bb8\u4f7f\u7528 sudo \u547d\u4ee4\u3002<\/p>\n<p>\u4ee5 root \u8eab\u4efd&#xff0c;\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u5c06\u60a8\u7684\u65b0\u7528\u6237\u6dfb\u52a0\u5230 sudo \u7ec4&#xff08;\u5c06\u9ad8\u4eae\u7684 sammy \u7528\u6237\u540d\u66ff\u6362\u4e3a\u60a8\u7684\u65b0\u7528\u6237&#xff09;&#xff1a;<\/p>\n<p>usermod -aG sudo sammy<\/p>\n<p>\u73b0\u5728&#xff0c;\u5f53\u4ee5\u60a8\u7684\u666e\u901a\u7528\u6237\u8eab\u4efd\u767b\u5f55\u65f6&#xff0c;\u60a8\u53ef\u4ee5\u5728\u547d\u4ee4\u524d\u8f93\u5165 sudo \u4ee5\u8d85\u7ea7\u7528\u6237\u6743\u9650\u8fd0\u884c\u5b83\u4eec\u3002<\/p>\n<h3>\u6b65\u9aa4 4 &#8211; \u8bbe\u7f6e\u9632\u706b\u5899<\/h3>\n<p>Ubuntu \u670d\u52a1\u5668\u53ef\u4ee5\u4f7f\u7528 UFW firewall \u5e94\u7528\u6765\u786e\u4fdd\u53ea\u5141\u8bb8\u8fde\u63a5\u5230\u7279\u5b9a\u670d\u52a1\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u6b64\u5e94\u7528\u7a0b\u5e8f\u8bbe\u7f6e\u57fa\u672c\u9632\u706b\u5899\u3002<\/p>\n<p>\u6ce8\u610f&#xff1a; \u5982\u679c\u60a8\u7684\u670d\u52a1\u5668\u8fd0\u884c\u5728 DigitalOcean \u4e91\u5e73\u53f0\u4e0a&#xff0c;\u60a8\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528 DigitalOcean Cloud Firewalls \u800c\u4e0d\u662f UFW firewall\u3002\u6211\u4eec\u5efa\u8bae\u4e00\u6b21\u53ea\u4f7f\u7528\u4e00\u4e2a\u9632\u706b\u5899&#xff0c;\u4ee5\u907f\u514d\u53ef\u80fd\u96be\u4ee5\u8c03\u8bd5\u7684\u89c4\u5219\u51b2\u7a81\u3002<\/p>\n<p>\u5e94\u7528\u7a0b\u5e8f\u5728\u5b89\u88c5\u65f6\u53ef\u4ee5\u5411 UFW \u6ce8\u518c\u5176\u914d\u7f6e\u6587\u4ef6\u3002\u8fd9\u4e9b\u914d\u7f6e\u6587\u4ef6\u5141\u8bb8 UFW \u6309\u540d\u79f0\u7ba1\u7406\u8fd9\u4e9b\u5e94\u7528\u7a0b\u5e8f\u3002\u5141\u8bb8\u60a8\u8fde\u63a5\u5230\u670d\u52a1\u5668\u7684\u670d\u52a1 OpenSSH \u5df2\u5728 UFW \u4e2d\u6ce8\u518c\u4e86\u914d\u7f6e\u6587\u4ef6\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u5df2\u5b89\u88c5\u7684 UFW \u914d\u7f6e\u6587\u4ef6\u5217\u8868&#xff1a;<\/p>\n<p>ufw app list<\/p>\n<p>\u8f93\u51fa<\/p>\n<p>Available applications:<br \/>\n  OpenSSH<\/p>\n<p>\u60a8\u9700\u8981\u786e\u4fdd\u9632\u706b\u5899\u5141\u8bb8 SSH \u8fde\u63a5&#xff0c;\u4ee5\u4fbf\u60a8\u4e0b\u6b21\u53ef\u4ee5\u767b\u5f55\u670d\u52a1\u5668\u3002\u901a\u8fc7\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u5141\u8bb8\u8fd9\u4e9b\u8fde\u63a5&#xff1a;<\/p>\n<p>ufw allow OpenSSH<\/p>\n<p>\u73b0\u5728\u901a\u8fc7\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u542f\u7528\u9632\u706b\u5899&#xff1a;<\/p>\n<p>ufw enable<\/p>\n<p>\u8f93\u5165 y \u5e76\u6309 ENTER \u7ee7\u7eed\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b SSH \u8fde\u63a5\u662f\u5426\u4ecd\u7136\u88ab\u5141\u8bb8&#xff1a;<\/p>\n<p>ufw status<\/p>\n<p>\u8f93\u51fa<\/p>\n<p>Status: active<\/p>\n<p>To                         Action      From<br \/>\n&#8212;                         &#8212;&#8212;      &#8212;-<br \/>\nOpenSSH                    ALLOW       Anywhere<br \/>\nOpenSSH (v6)               ALLOW       Anywhere (v6)<\/p>\n<p>\u9632\u706b\u5899\u5f53\u524d\u9664\u4e86 SSH \u5916\u963b\u6b62\u6240\u6709\u8fde\u63a5\u3002\u5982\u679c\u60a8\u5b89\u88c5\u5e76\u914d\u7f6e\u4e86\u5176\u4ed6\u670d\u52a1&#xff0c;\u60a8\u5c06\u9700\u8981\u8c03\u6574\u9632\u706b\u5899\u8bbe\u7f6e\u4ee5\u5141\u8bb8\u65b0\u7684\u6d41\u91cf\u8fdb\u5165\u60a8\u7684\u670d\u52a1\u5668\u3002<\/p>\n<p>\u4ee5\u540e\u8981\u6dfb\u52a0 HTTP \u8bbf\u95ee&#xff0c;\u8bf7\u4ec5\u5141\u8bb8\u60a8\u9700\u8981\u7684\u670d\u52a1&#xff1a;<\/p>\n<p>ufw allow 80\/tcp<br \/>\nufw allow 443\/tcp<\/p>\n<h3>\u6b65\u9aa4 5 &#8211; \u4e3a\u60a8\u7684\u666e\u901a\u7528\u6237\u542f\u7528\u5916\u90e8\u8bbf\u95ee<\/h3>\n<p>\u73b0\u5728\u60a8\u6709\u4e86\u4e00\u4e2a\u4f9b\u65e5\u5e38\u4f7f\u7528\u7684\u666e\u901a\u7528\u6237&#xff0c;\u60a8\u9700\u8981\u786e\u4fdd\u53ef\u4ee5\u76f4\u63a5 SSH \u767b\u5f55\u5230\u8be5\u8d26\u6237\u3002<\/p>\n<p>\u6ce8\u610f&#xff1a; \u5728\u786e\u8ba4\u60a8\u53ef\u4ee5\u4f7f\u7528\u65b0\u7528\u6237\u767b\u5f55\u5e76\u4f7f\u7528 sudo \u4e4b\u524d&#xff0c;\u6211\u4eec\u5efa\u8bae\u4fdd\u6301\u4ee5 root \u8eab\u4efd\u767b\u5f55\u3002\u5982\u679c\u9047\u5230\u8fde\u63a5\u95ee\u9898&#xff0c;\u60a8\u53ef\u4ee5\u4ee5 root \u8eab\u4efd\u8fdb\u884c\u6545\u969c\u6392\u9664\u5e76\u8fdb\u884c\u5fc5\u8981\u7684\u66f4\u6539\u3002\u5982\u679c\u60a8\u4f7f\u7528 DigitalOcean Droplet \u5e76\u4e14\u9047\u5230 root SSH \u8fde\u63a5\u95ee\u9898&#xff0c;\u53ef\u4ee5\u4f7f\u7528 Recovery Console \u91cd\u65b0\u83b7\u5f97\u5bf9 Droplet \u7684\u8bbf\u95ee\u6743\u9650\u3002<\/p>\n<p>\u4e3a\u60a8\u7684\u666e\u901a\u7528\u6237\u914d\u7f6e SSH \u8bbf\u95ee\u53d6\u51b3\u4e8e\u60a8\u670d\u52a1\u5668\u7684 root \u8d26\u6237\u662f\u4f7f\u7528\u5bc6\u7801\u8fd8\u662f SSH \u5bc6\u94a5\u8fdb\u884c\u8ba4\u8bc1\u3002<\/p>\n<p>\u5982\u679c root \u8d26\u6237\u4f7f\u7528\u5bc6\u7801\u8ba4\u8bc1<\/p>\n<p>\u5982\u679c\u60a8\u4f7f\u7528\u5bc6\u7801\u767b\u5f55\u5230 root \u8d26\u6237&#xff0c;\u5219 SSH \u5df2\u542f\u7528\u5bc6\u7801\u8ba4\u8bc1\u3002\u60a8\u53ef\u4ee5\u6253\u5f00\u4e00\u4e2a\u65b0\u7684\u7ec8\u7aef\u4f1a\u8bdd&#xff0c;\u4f7f\u7528 SSH \u548c\u60a8\u7684\u65b0\u7528\u6237\u540d\u767b\u5f55\u5230\u60a8\u7684\u65b0\u7528\u6237\u8d26\u6237&#xff1a;<\/p>\n<p>ssh sammy&#064;your_server_ip<\/p>\n<p>\u8f93\u5165\u60a8\u666e\u901a\u7528\u6237\u7684\u5bc6\u7801\u540e&#xff0c;\u60a8\u5c06\u88ab\u767b\u5f55\u3002\u8bf7\u8bb0\u4f4f&#xff0c;\u5982\u679c\u60a8\u9700\u8981\u4ee5\u7ba1\u7406\u6743\u9650\u8fd0\u884c\u547d\u4ee4&#xff0c;\u8bf7\u5728\u547d\u4ee4\u524d\u8f93\u5165 sudo&#xff0c;\u5982\u4e0b\u6240\u793a&#xff1a;<\/p>\n<p>sudo command_to_run<\/p>\n<p>\u5728\u6bcf\u4e2a\u4f1a\u8bdd\u4e2d\u9996\u6b21\u4f7f\u7528 sudo \u65f6&#xff08;\u4ee5\u53ca\u4e4b\u540e\u5b9a\u671f\u5730&#xff09;&#xff0c;\u7cfb\u7edf\u4f1a\u63d0\u793a\u60a8\u8f93\u5165\u666e\u901a\u7528\u6237\u7684\u5bc6\u7801\u3002<\/p>\n<p>\u4e3a\u4e86\u589e\u5f3a\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027&#xff0c;\u6211\u4eec\u5f3a\u70c8\u5efa\u8bae\u8bbe\u7f6e SSH \u5bc6\u94a5\u800c\u4e0d\u662f\u4f7f\u7528\u5bc6\u7801\u8ba4\u8bc1\u3002\u6309\u7167\u6211\u4eec\u5173\u4e8e\u5728 Ubuntu \u4e0a\u8bbe\u7f6e SSH \u5bc6\u94a5 \u7684\u6307\u5357\u6765\u5b66\u4e60\u5982\u4f55\u914d\u7f6e\u57fa\u4e8e\u5bc6\u94a5\u7684\u8ba4\u8bc1\u3002<\/p>\n<p>\u5982\u679c root \u8d26\u6237\u4f7f\u7528 \u200bSSH\u200b\u200b \u5bc6\u94a5\u8ba4\u8bc1<\/p>\n<p>\u5982\u679c\u60a8\u4f7f\u7528 SSH \u5bc6\u94a5\u767b\u5f55\u5230 root \u8d26\u6237&#xff0c;\u5219 SSH \u7684\u5bc6\u7801\u8ba4\u8bc1\u662f\u7981\u7528\u7684\u3002\u8981\u4f7f\u7528 SSH \u5bc6\u94a5\u4ee5\u666e\u901a\u7528\u6237\u8eab\u4efd\u767b\u5f55&#xff0c;\u60a8\u5fc5\u987b\u5c06\u672c\u5730\u516c\u94a5\u7684\u526f\u672c\u6dfb\u52a0\u5230\u60a8\u65b0\u7528\u6237\u7684 ~\/.ssh\/authorized_keys \u6587\u4ef6\u4e2d\u3002<\/p>\n<p>\u7531\u4e8e\u60a8\u7684\u516c\u94a5\u5df2\u7ecf\u5728\u670d\u52a1\u5668\u4e0a root \u8d26\u6237\u7684 ~\/.ssh\/authorized_keys \u6587\u4ef6\u4e2d&#xff0c;\u60a8\u53ef\u4ee5\u4f7f\u7528\u5f53\u524d\u4f1a\u8bdd\u5c06\u8be5\u6587\u4ef6\u548c\u76ee\u5f55\u7ed3\u6784\u590d\u5236\u5230\u60a8\u7684\u65b0\u7528\u6237\u8d26\u6237\u3002<\/p>\n<p>\u4f7f\u7528\u6b63\u786e\u7684\u6240\u6709\u6743\u548c\u6743\u9650\u590d\u5236\u6587\u4ef6\u7684\u6700\u7b80\u5355\u65b9\u6cd5\u662f\u4f7f\u7528 rsync \u547d\u4ee4\u3002\u8fd9\u4e2a\u547d\u4ee4\u5c06\u590d\u5236 root \u7528\u6237\u7684 .ssh \u76ee\u5f55&#xff0c;\u4fdd\u7559\u6743\u9650&#xff0c;\u5e76\u4fee\u6539\u6587\u4ef6\u6240\u6709\u8005&#xff0c;\u6240\u6709\u8fd9\u4e9b\u64cd\u4f5c\u5728\u4e00\u4e2a\u547d\u4ee4\u4e2d\u5b8c\u6210\u3002\u8bf7\u786e\u4fdd\u66f4\u6539\u4e0b\u9762\u547d\u4ee4\u4e2d\u9ad8\u4eae\u7684\u90e8\u5206\u4ee5\u5339\u914d\u60a8\u666e\u901a\u7528\u6237\u7684\u540d\u79f0&#xff1a;<\/p>\n<p>\u6ce8\u610f&#xff1a; rsync \u547d\u4ee4\u5bf9\u4ee5\u5c3e\u90e8\u659c\u6760\u7ed3\u5c3e\u7684\u6e90\u548c\u76ee\u6807\u4e0e\u6ca1\u6709\u5c3e\u90e8\u659c\u6760\u7684\u5904\u7406\u65b9\u5f0f\u4e0d\u540c\u3002\u4f7f\u7528\u4e0b\u9762\u7684 rsync \u65f6&#xff0c;\u8bf7\u786e\u4fdd\u6e90\u76ee\u5f55&#xff08;~\/.ssh&#xff09;\u4e0d\u5305\u542b\u5c3e\u90e8\u659c\u6760&#xff08;\u68c0\u67e5\u786e\u8ba4\u60a8\u6ca1\u6709\u4f7f\u7528 ~\/.ssh\/&#xff09;\u3002<\/p>\n<p>\u5982\u679c\u610f\u5916\u5730\u5728\u547d\u4ee4\u4e2d\u6dfb\u52a0\u4e86\u5c3e\u90e8\u659c\u6760&#xff0c;rsync \u5c06\u590d\u5236 root \u8d26\u6237 ~\/.ssh \u76ee\u5f55\u7684*\u5185\u5bb9*\u5230 sudo \u7528\u6237\u7684\u4e3b\u76ee\u5f55&#xff0c;\u800c\u4e0d\u662f\u590d\u5236\u6574\u4e2a ~\/.ssh \u76ee\u5f55\u7ed3\u6784\u3002\u6587\u4ef6\u5c06\u4f4d\u4e8e\u9519\u8bef\u7684\u4f4d\u7f6e&#xff0c;SSH \u5c06\u65e0\u6cd5\u627e\u5230\u5e76\u4f7f\u7528\u5b83\u4eec\u3002<\/p>\n<p>rsync &#8211;archive &#8211;chown&#061;sammy:sammy ~\/.ssh \/home\/sammy<\/p>\n<p>\u73b0\u5728&#xff0c;\u5728\u672c\u5730\u673a\u5668\u4e0a\u6253\u5f00\u4e00\u4e2a\u65b0\u7684\u7ec8\u7aef\u4f1a\u8bdd&#xff0c;\u5e76\u4f7f\u7528 SSH \u548c\u60a8\u7684\u65b0\u7528\u6237\u540d&#xff1a;<\/p>\n<p>ssh sammy&#064;your_server_ip<\/p>\n<p>\u60a8\u5e94\u8be5\u53ef\u4ee5\u5728\u4e0d\u4f7f\u7528\u5bc6\u7801\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\u65b0\u7528\u6237\u8d26\u6237\u8fde\u63a5\u5230\u60a8\u7684\u670d\u52a1\u5668\u3002\u8bf7\u8bb0\u4f4f&#xff0c;\u5982\u679c\u60a8\u9700\u8981\u4ee5\u7ba1\u7406\u6743\u9650\u8fd0\u884c\u547d\u4ee4&#xff0c;\u8bf7\u5728\u547d\u4ee4\u524d\u8f93\u5165 sudo&#xff0c;\u5982\u4e0b\u6240\u793a&#xff1a;<\/p>\n<p>sudo command_to_run<\/p>\n<p>\u5728\u6bcf\u4e2a\u4f1a\u8bdd\u4e2d\u9996\u6b21\u4f7f\u7528 sudo \u65f6&#xff08;\u4ee5\u53ca\u4e4b\u540e\u5b9a\u671f\u5730&#xff09;&#xff0c;\u7cfb\u7edf\u4f1a\u63d0\u793a\u60a8\u8f93\u5165\u666e\u901a\u7528\u6237\u7684\u5bc6\u7801\u3002<\/p>\n<h3>\u5e38\u89c1\u95ee\u9898<\/h3>\n<p>1. Ubuntu \u53ef\u4ee5\u7528\u4f5c\u670d\u52a1\u5668\u5417&#xff1f;<\/p>\n<p>\u5f53\u7136\u53ef\u4ee5\u3002Ubuntu \u662f\u5168\u7403\u6700\u53d7\u6b22\u8fce\u7684\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edf\u4e4b\u4e00&#xff0c;\u8bbe\u8ba1\u7528\u4e8e\u5e7f\u6cdb\u7684\u573a\u666f&#xff0c;\u4ece\u8f7b\u91cf\u7ea7 VPS \u5b9e\u4f8b\u5230\u4f01\u4e1a\u7ea7\u96c6\u7fa4\u3002<\/p>\n<p>Ubuntu Server \u7684\u4e3b\u8981\u4f18\u52bf&#xff1a;<\/p>\n<table>\n<tr>\u7279\u6027\u63cf\u8ff0<\/tr>\n<tbody>\n<tr>\n<td>\u5f00\u6e90\u4e14\u514d\u8d39<\/td>\n<td>\u65e0\u9700\u8bb8\u53ef\u8bc1\u8d39\u7528\u3002<\/td>\n<\/tr>\n<tr>\n<td>LTS \u652f\u6301<\/td>\n<td>\u957f\u671f\u652f\u6301\u7248\u672c\u53ef\u83b7\u5f97 5 \u5e74\u7684\u66f4\u65b0\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u4e91\u5c31\u7eea<\/td>\n<td>\u9488\u5bf9\u4e3b\u6d41\u4e91&#xff08;DigitalOcean\u3001AWS\u3001GCP&#xff09;\u7684\u4f18\u5316\u955c\u50cf\u3002<\/td>\n<\/tr>\n<tr>\n<td>DevOps \u53cb\u597d<\/td>\n<td>\u81ea\u5e26 OpenSSH\u3001apt \u548c systemd\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5e7f\u6cdb\u7684\u786c\u4ef6\u652f\u6301<\/td>\n<td>\u53ef\u5728 x86\u3001ARM\u3001PPC \u7b49\u67b6\u6784\u4e0a\u8fd0\u884c\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ubuntu \u80fd\u591f\u5f88\u597d\u5904\u7406\u7684\u670d\u52a1\u5668\u4efb\u52a1\u793a\u4f8b&#xff1a;<\/p>\n<ul>\n<li>Web \u6258\u7ba1&#xff08;Apache\u3001Nginx&#xff09;<\/li>\n<li>\u6570\u636e\u5e93&#xff08;PostgreSQL\u3001MySQL\u3001MongoDB&#xff09;<\/li>\n<li>\u5e94\u7528\u670d\u52a1\u5668&#xff08;Node.js\u3001Python\u3001Java&#xff09;<\/li>\n<li>\u5bb9\u5668\u7f16\u6392&#xff08;Docker\u3001Kubernetes&#xff09;<\/li>\n<li>\u6587\u4ef6\u5b58\u50a8\u548c\u5907\u4efd<\/li>\n<\/ul>\n<p>\u793a\u4f8b&#xff1a; \u8981\u68c0\u67e5\u60a8\u7684 Ubuntu \u7248\u672c&#xff1a;<\/p>\n<p>lsb_release -a<br \/>\n# \u6216\u8005<br \/>\ncat \/etc\/os-release<\/p>\n<p>\u6709\u5173 SSH \u548c\u5305\u7ba1\u7406\u7684\u66f4\u591a\u4fe1\u606f&#xff0c;\u8bf7\u53c2\u9605 DigitalOcean \u82f1\u6587\u5b98\u7f51\u7684&#xff1a;OpenSSH \u5bc6\u94a5\u6307\u5357\u3002<\/p>\n<p>2. Ubuntu Server \u662f\u514d\u8d39\u7684\u5417&#xff1f;<\/p>\n<p>\u662f\u7684\u3002Ubuntu Server \u5b8c\u5168\u514d\u8d39\u4e0b\u8f7d\u3001\u5b89\u88c5\u548c\u4f7f\u7528&#xff0c;\u9002\u7528\u4e8e\u4efb\u4f55\u76ee\u7684\u2014\u2014\u4e2a\u4eba\u3001\u6559\u80b2\u6216\u5546\u4e1a\u7528\u9014\u3002\u6ca1\u6709\u8bb8\u53ef\u8d39\u7528\u6216\u8ba2\u9605\u8d39\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u4e00\u4e2a\u7b80\u5355\u53ef\u9760\u7684\u65b9\u5f0f\u6765\u5f00\u59cb&#xff0c;\u53ef\u4ee5\u8003\u8651\u5728 DigitalOcean \u4e0a\u90e8\u7f72\u4e00\u4e2a Ubuntu Droplet\u3002DigitalOcean \u63d0\u4f9b\u9884\u914d\u7f6e\u7684 Ubuntu \u670d\u52a1\u5668\u955c\u50cf&#xff0c;\u56e0\u6b64\u60a8\u53ea\u9700\u70b9\u51fb\u51e0\u4e0b\u5373\u53ef\u542f\u52a8\u5b89\u5168\u3001\u53ef\u7528\u4e8e\u751f\u4ea7\u7684\u670d\u52a1\u5668\u2014\u2014\u975e\u5e38\u9002\u5408\u521d\u5b66\u8005\u548c\u4e13\u5bb6\u3002<\/p>\n<p>\u6ce8\u610f&#xff1a; \u53ea\u6709\u9700\u8981\u6269\u5c55\u5b89\u5168\u7ef4\u62a4\u3001\u5408\u89c4\u6027\u529f\u80fd\u6216\u4f01\u4e1a\u652f\u6301\u65f6&#xff0c;\u60a8\u624d\u9700\u8981 Ubuntu Pro\u3002\u5bf9\u4e8e\u5927\u591a\u6570\u7528\u6237\u548c\u5178\u578b\u5de5\u4f5c\u8d1f\u8f7d&#xff0c;\u514d\u8d39\u7248\u672c\u7684 Ubuntu Server \u5df2\u7ef0\u7ef0\u6709\u4f59\u3002<\/p>\n<p>3. \u5bf9\u4e8e\u65b0\u670d\u52a1\u5668&#xff0c;\u6211\u5e94\u8be5\u9009\u62e9\u54ea\u4e2a Ubuntu \u7248\u672c&#xff1f;<\/p>\n<p>\u5efa\u8bae&#xff1a;<\/p>\n<p>\u4f7f\u7528\u957f\u671f\u652f\u6301&#xff08;LTS&#xff09;\u7248\u672c\u3002LTS \u7248\u672c\u662f\u751f\u4ea7\u5c31\u7eea\u7684&#xff0c;\u5e76\u53ef\u83b7\u5f97\u4e94\u5e74\u7684\u66f4\u65b0\u3002<\/p>\n<p>\u6d41\u884c\u7684 \u200bLTS\u200b\u200b \u7248\u672c&#xff1a;<\/p>\n<table>\n<tr>\u7248\u672c\u53d1\u5e03\u65e5\u671f\u652f\u6301\u7ed3\u675f\u65f6\u95f4\u5907\u6ce8<\/tr>\n<tbody>\n<tr>\n<td>Ubuntu 24.04 LTS<\/td>\n<td>2024 \u5e74 4 \u6708<\/td>\n<td>2029 \u5e74 4 \u6708<\/td>\n<td>\u6700\u65b0\u7248\u672c&#xff1b;\u63a8\u8350\u7528\u4e8e\u65b0\u5b89\u88c5<\/td>\n<\/tr>\n<tr>\n<td>Ubuntu 22.04 LTS<\/td>\n<td>2022 \u5e74 4 \u6708<\/td>\n<td>2027 \u5e74 4 \u6708<\/td>\n<td>\u5e7f\u6cdb\u4f7f\u7528&#xff1b;\u9ad8\u5ea6\u7a33\u5b9a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u68c0\u67e5\u60a8\u5f53\u524d\u7684\u7248\u672c&#xff1a;<\/p>\n<p>lsb_release -cs   # \u663e\u793a\u4ee3\u53f7&#xff08;\u4f8b\u5982&#xff0c;22.04 \u662f &#039;jammy&#039;&#xff09;<\/p>\n<p>\u672c\u6307\u5357\u53ca\u5176\u547d\u4ee4\u5df2\u5728 24.04 LTS \u548c 22.04 LTS \u4e0a\u9a8c\u8bc1\u3002<\/p>\n<p>4. \u6211\u5e94\u8be5\u4e3a \u200bSSH\u200b\u200b \u7981\u7528\u5bc6\u7801\u8ba4\u8bc1\u5417&#xff1f;<\/p>\n<p>\u662f\u7684&#xff0c;\u4e3a\u4e86\u589e\u5f3a\u5b89\u5168\u6027\u3002<\/p>\n<p>\u4e00\u65e6\u60a8\u8bbe\u7f6e\u4e86 SSH \u5bc6\u94a5\u8ba4\u8bc1\u5e76\u786e\u8ba4\u53ef\u4ee5\u767b\u5f55&#xff0c;\u4e3a SSH \u7981\u7528\u5bc6\u7801\u8ba4\u8bc1\u53ef\u4ee5\u51cf\u5c11\u60a8\u670d\u52a1\u5668\u906d\u53d7\u66b4\u529b\u7834\u89e3\u653b\u51fb\u7684\u98ce\u9669\u3002<\/p>\n<p>\u6b65\u9aa4&#xff1a;<\/p>\n<p>\u6253\u5f00 SSH \u914d\u7f6e&#xff1a;<\/p>\n<p>sudo nano \/etc\/ssh\/sshd_config<\/p>\n<p>\u627e\u5230\u5e76\u8bbe\u7f6e&#xff1a;<\/p>\n<p>PasswordAuthentication no<\/p>\n<p>\u91cd\u542f SSH&#xff1a;<\/p>\n<p>sudo systemctl reload sshd<\/p>\n<p>\u91cd\u8981&#xff1a; \u5728\u8fdb\u884c\u6b64\u66f4\u6539\u4e4b\u524d&#xff0c;\u8bf7\u59cb\u7ec8\u4fdd\u6301\u53e6\u4e00\u79cd\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u5f0f&#xff0c;\u4f8b\u5982 DigitalOcean \u7684 Droplet \u63a7\u5236\u53f0\u6216\u5907\u7528\u8bbf\u95ee\u3002<\/p>\n<p>5. \u6211\u9700\u8981\u66f4\u6539\u9ed8\u8ba4\u7684 \u200bSSH\u200b\u200b \u200b\u7aef\u53e3\u200b\u5417&#xff1f;<\/p>\n<p>\u5c06 SSH \u7aef\u53e3\u4ece 22 \u66f4\u6539\u4e3a\u662f\u53ef\u9009\u7684&#xff0c;\u5e76\u4e14\u4e0d\u80fd\u66ff\u4ee3\u6b63\u786e\u7684 SSH \u5bc6\u94a5\u8ba4\u8bc1\u6216\u9632\u706b\u5899\u914d\u7f6e\u3002<\/p>\n<p>\u5229\u5f0a&#xff1a;<\/p>\n<table>\n<tr>\u66f4\u6539\u7aef\u53e3 22\u5f71\u54cd<\/tr>\n<tbody>\n<tr>\n<td>\u7565\u5fae\u51cf\u5c11\u626b\u63cf<\/td>\n<td>\u81ea\u52a8\u5316\u673a\u5668\u4eba\u53ef\u80fd\u4f1a\u7ed5\u8fc7\u975e 22 \u7aef\u53e3<\/td>\n<\/tr>\n<tr>\n<td>\u4e0d\u662f\u5b89\u5168\u66ff\u4ee3\u54c1<\/td>\n<td>\u653b\u51fb\u8005\u4ecd\u7136\u53ef\u4ee5\u627e\u5230\u5f00\u653e\u7aef\u53e3<\/td>\n<\/tr>\n<tr>\n<td>\u9700\u8981\u66f4\u65b0\u9632\u706b\u5899<\/td>\n<td>\u9700\u8981\u66f4\u6539 UFW \u6216 firewalld \u89c4\u5219<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5982\u679c\u60a8\u8981\u66f4\u6539\u7aef\u53e3&#xff1a;<\/p>\n<p>\u7f16\u8f91 \/etc\/ssh\/sshd_config&#xff1a;<\/p>\n<p>Port 2277   # \u793a\u4f8b\u7aef\u53e3&#xff1b;\u4f7f\u7528 &gt;1024 \u4e14\u672a\u88ab\u5360\u7528\u7684\u7aef\u53e3<\/p>\n<p>\u66f4\u65b0 UFW \u89c4\u5219&#xff1a;<\/p>\n<p>sudo ufw allow 2277\/tcp<\/p>\n<p>\u8fde\u63a5\u65f6\u4f7f\u7528&#xff1a;<\/p>\n<p>ssh -p 2277 user&#064;your_server_ip<\/p>\n<p>\u8bb0\u5f55\u60a8\u7684\u65b0\u7aef\u53e3\u4ee5\u907f\u514d\u88ab\u9501\u5728\u5916\u9762\u3002\u5c06\u5176\u4f5c\u4e3a\u989d\u5916\u6b65\u9aa4\u4f7f\u7528&#xff0c;\u800c\u4e0d\u662f\u60a8\u7684\u4e3b\u8981\u9632\u5fa1\u624b\u6bb5\u3002<\/p>\n<h3>\u5c0f\u7ed3<\/h3>\n<p>\u606d\u559c&#xff01;\u60a8\u5df2\u7ecf\u5b8c\u6210\u4e86 Ubuntu \u670d\u52a1\u5668\u57fa\u672c\u7684\u521d\u59cb\u8bbe\u7f6e\u8fc7\u7a0b\u3002\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u6b65\u9aa4&#xff0c;\u60a8\u6781\u5927\u5730\u63d0\u9ad8\u4e86\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u5e76\u4e3a\u672a\u6765\u7684\u914d\u7f6e\u5960\u5b9a\u4e86\u57fa\u7840\u3002\u60a8\u73b0\u5728\u62e5\u6709\u4e00\u4e2a\u5177\u6709 sudo \u6743\u9650\u7684\u975e root \u7528\u6237\u8d26\u6237&#xff0c;\u7528\u4e8e\u66f4\u5b89\u5168\u7684\u65e5\u5e38\u7ba1\u7406&#xff1b;\u4e00\u4e2a\u914d\u7f6e\u597d\u7684\u9632\u706b\u5899&#xff08;UFW&#xff09;&#xff0c;\u9650\u5236\u9664\u60a8\u660e\u786e\u5141\u8bb8\u4e4b\u5916\u7684\u6240\u6709\u6d41\u91cf&#xff1b;\u4ee5\u53ca\u4e00\u4e2a\u5b89\u5168\u7684 SSH \u5bc6\u94a5\u8ba4\u8bc1\u7cfb\u7edf\u2014\u2014\u663e\u8457\u964d\u4f4e\u4e86\u672a\u7ecf\u6388\u6743\u8bbf\u95ee\u7684\u98ce\u9669\u3002<\/p>\n<p>\u6709\u4e86\u8fd9\u4e9b\u6700\u4f73\u5b9e\u8df5&#xff0c;\u60a8\u7684 Ubuntu \u670d\u52a1\u5668\u5df2\u7ecf\u4e3a Web \u6258\u7ba1\u3001\u5e94\u7528\u7a0b\u5e8f\u90e8\u7f72\u4ee5\u53ca\u60a8\u9700\u8981\u7684\u4efb\u4f55\u8fdb\u4e00\u6b65\u5b9a\u5236\u505a\u597d\u4e86\u51c6\u5907\u3002\u672c\u6559\u7a0b\u4e2d\u5b8c\u6210\u7684\u8bbe\u7f6e\u662f\u51e0\u4e4e\u6240\u6709 Linux \u670d\u52a1\u5668\u9879\u76ee\u7684\u57fa\u672c\u8981\u6c42&#xff0c;\u7406\u89e3\u8fd9\u4e9b\u57fa\u7840\u77e5\u8bc6\u5c06\u5e2e\u52a9\u60a8\u81ea\u4fe1\u5730\u7ba1\u7406\u4e91\u4e2d\u6216\u672c\u5730\u7684\u57fa\u7840\u8bbe\u65bd\u3002<\/p>\n<p>\u5982\u679c\u4f60\u8fd8\u9700\u8981\u6d4f\u89c8\u66f4\u591a\u5173\u4e8e\u4e91\u670d\u52a1\u76f8\u5173\u77e5\u8bc6\u6216 DigitalOcean \u4e91\u5e73\u53f0\u4ea7\u54c1\u7684\u4f7f\u7528\u6559\u7a0b&#xff0c;\u53ef\u8bbf\u95ee DigitalOcean \u4e2d\u56fd\u533a\u72ec\u5bb6\u6218\u7565\u5408\u4f5c\u4f19\u4f34\u5353\u666e\u4e91 AI Droplet \u5b98\u7f51\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u6b21\u521b\u5efa\u65b0\u7684 Ubuntu 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