{"id":44630,"date":"2024-10-06T17:02:14","date_gmt":"2024-10-06T09:02:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/44630\/"},"modified":"2024-10-06T17:02:14","modified_gmt":"2024-10-06T09:02:14","slug":"linux-%e5%91%bd%e4%bb%a4%ef%bc%9aat-%e6%8e%92%e9%9a%8a%e3%80%81%e6%aa%a2%e6%9f%a5%e6%88%96%e5%88%aa%e9%99%a4%e7%a8%8d%e5%be%8c%e5%9f%b7%e8%a1%8c%e7%9a%84%e4%bd%9c%e6%a5%ad","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/44630\/","title":{"rendered":"Linux \u547d\u4ee4\uff1aat &#8211; \u6392\u968a\u3001\u6aa2\u67e5\u6216\u522a\u9664\u7a0d\u5f8c\u57f7\u884c\u7684\u4f5c\u696d"},"content":{"rendered":"<h1 id=\"linux-%e5%91%bd%e4%bb%a4%ef%bc%9aat-%e6%8e%92%e9%9a%8a%e3%80%81%e6%aa%a2%e6%9f%a5%e6%88%96%e5%88%aa%e9%99%a4%e7%a8%8d%e5%be%8c%e5%9f%b7%e8%a1%8c%e7%9a%84%e4%bd%9c%e6%a5%ad-RzniZIppYb\">Linux \u547d\u4ee4\uff1aat &#8211; \u6392\u968a\u3001\u6aa2\u67e5\u6216\u522a\u9664\u7a0d\u5f8c\u57f7\u884c\u7684\u4f5c\u696d<\/h1>\n<p>\u5728 Linux \u7cfb\u7d71\u4e2d\uff0c\u7ba1\u7406\u4efb\u52d9\u7684\u57f7\u884c\u6642\u9593\u662f\u4e00\u9805\u91cd\u8981\u7684\u6280\u80fd\u3002<code>at<\/code> \u547d\u4ee4\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u5141\u8a31\u7528\u6236\u6392\u968a\u7a0d\u5f8c\u57f7\u884c\u7684\u4f5c\u696d\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u6df1\u5165\u63a2\u8a0e <code>at<\/code> \u547d\u4ee4\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u5305\u62ec\u5982\u4f55\u6392\u968a\u3001\u6aa2\u67e5\u548c\u522a\u9664\u4f5c\u696d\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-at-%e5%91%bd%e4%bb%a4%ef%bc%9f-RzniZIppYb\">\u4ec0\u9ebc\u662f at \u547d\u4ee4\uff1f<\/h2>\n<p><code>at<\/code> \u547d\u4ee4\u662f\u4e00\u500b\u7528\u65bc\u5728\u6307\u5b9a\u6642\u9593\u57f7\u884c\u547d\u4ee4\u7684\u5de5\u5177\u3002\u8207 <code>cron<\/code> \u4e0d\u540c\uff0c<code>cron<\/code> \u7528\u65bc\u5b9a\u671f\u57f7\u884c\u4efb\u52d9\uff0c\u800c <code>at<\/code> \u5247\u662f\u4e00\u6b21\u6027\u57f7\u884c\u3002\u9019\u4f7f\u5f97 <code>at<\/code> \u6210\u70ba\u8a08\u5283\u55ae\u6b21\u4efb\u52d9\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-at-%e5%91%bd%e4%bb%a4%e6%8e%92%e9%9a%8a%e4%bd%9c%e6%a5%ad-RzniZIppYb\">\u5982\u4f55\u4f7f\u7528 at \u547d\u4ee4\u6392\u968a\u4f5c\u696d<\/h2>\n<p>\u8981\u4f7f\u7528 <code>at<\/code> \u547d\u4ee4\u6392\u968a\u4f5c\u696d\uff0c\u9996\u5148\u9700\u8981\u78ba\u4fdd <code>atd<\/code> \u670d\u52d9\u6b63\u5728\u904b\u884c\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u670d\u52d9\u72c0\u614b\uff1a<\/p>\n<pre><code>systemctl status atd<\/code><\/pre>\n<p>\u5982\u679c\u670d\u52d9\u672a\u904b\u884c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u555f\u52d5\uff1a<\/p>\n<pre><code>sudo systemctl start atd<\/code><\/pre>\n<p>\u63a5\u4e0b\u4f86\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>at<\/code> \u547d\u4ee4\u6392\u968a\u4f5c\u696d\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>at [\u6642\u9593] [\u65e5\u671f]<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u5728\u660e\u5929\u7684\u4e0a\u5348 10 \u9ede\u57f7\u884c\u4e00\u500b\u547d\u4ee4\uff0c\u53ef\u4ee5\u9019\u6a23\u8f38\u5165\uff1a<\/p>\n<pre><code>at 10:00 tomorrow<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u8f38\u5165\u8981\u57f7\u884c\u7684\u547d\u4ee4\uff0c\u6700\u5f8c\u6309 <code>Ctrl + D<\/code> \u4f86\u7d50\u675f\u8f38\u5165\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>echo \"Hello, World!\" &gt; \/home\/user\/hello.txt<\/code><\/pre>\n<h2 id=\"%e6%aa%a2%e6%9f%a5%e6%8e%92%e9%9a%8a%e7%9a%84%e4%bd%9c%e6%a5%ad-RzniZIppYb\">\u6aa2\u67e5\u6392\u968a\u7684\u4f5c\u696d<\/h2>\n<p>\u8981\u6aa2\u67e5\u5df2\u6392\u968a\u7684\u4f5c\u696d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>atq<\/code> \u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u6703\u5217\u51fa\u6240\u6709\u6392\u968a\u7684\u4f5c\u696d\u53ca\u5176 ID\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>atq<\/code><\/pre>\n<p>\u8f38\u51fa\u53ef\u80fd\u985e\u4f3c\u65bc\u4ee5\u4e0b\u5167\u5bb9\uff1a<\/p>\n<pre><code>1       2023-10-01 10:00 a user\n2       2023-10-02 11:00 a user<\/code><\/pre>\n<h2 id=\"%e5%88%aa%e9%99%a4%e6%8e%92%e9%9a%8a%e7%9a%84%e4%bd%9c%e6%a5%ad-RzniZIppYb\">\u522a\u9664\u6392\u968a\u7684\u4f5c\u696d<\/h2>\n<p>\u5982\u679c\u9700\u8981\u522a\u9664\u67d0\u500b\u6392\u968a\u7684\u4f5c\u696d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>atrm<\/code> \u547d\u4ee4\uff0c\u5f8c\u9762\u8ddf\u4e0a\u4f5c\u696d\u7684 ID\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u522a\u9664 ID \u70ba 1 \u7684\u4f5c\u696d\uff0c\u53ef\u4ee5\u9019\u6a23\u8f38\u5165\uff1a<\/p>\n<pre><code>atrm 1<\/code><\/pre>\n<p>\u57f7\u884c\u5f8c\uff0c\u8a72\u4f5c\u696d\u5c07\u88ab\u522a\u9664\uff0c\u4e26\u4e14\u4e0d\u6703\u518d\u57f7\u884c\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-at-%e5%91%bd%e4%bb%a4%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-RzniZIppYb\">\u4f7f\u7528 at \u547d\u4ee4\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u78ba\u4fdd <code>atd<\/code> \u670d\u52d9\u6b63\u5728\u904b\u884c\u3002<\/li>\n<li>\u4f7f\u7528\u8005\u5fc5\u9808\u6709\u6b0a\u9650\u4f7f\u7528 <code>at<\/code> \u547d\u4ee4\uff0c\u9019\u901a\u5e38\u7531\u7cfb\u7d71\u7ba1\u7406\u54e1\u8a2d\u5b9a\u3002<\/li>\n<li>\u6392\u968a\u7684\u4f5c\u696d\u6703\u5728\u6307\u5b9a\u7684\u6642\u9593\u57f7\u884c\uff0c\u56e0\u6b64\u8acb\u78ba\u4fdd\u547d\u4ee4\u7684\u6b63\u78ba\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-RzniZIppYb\">\u7e3d\u7d50<\/h2>\n<p>\u5728 Linux \u74b0\u5883\u4e2d\uff0c<code>at<\/code> \u547d\u4ee4\u662f\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u6709\u6548\u5730\u7ba1\u7406\u4efb\u52d9\u7684\u57f7\u884c\u6642\u9593\u3002\u901a\u904e\u5b78\u7fd2\u5982\u4f55\u6392\u968a\u3001\u6aa2\u67e5\u548c\u522a\u9664\u4f5c\u696d\uff0c\u7528\u6236\u53ef\u4ee5\u66f4\u9748\u6d3b\u5730\u5b89\u6392\u5de5\u4f5c\u6d41\u7a0b\u3002\u82e5\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u7ba1\u7406\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 Linux \u547d\u4ee4 at \u7684\u7528\u6cd5\uff0c\u8f15\u9b06\u6392\u968a\u3001\u6aa2\u67e5\u6216\u522a\u9664\u7a0d\u5f8c\u57f7\u884c\u7684\u4f5c\u696d\uff0c\u63d0\u5347\u60a8\u7684\u7cfb\u7d71\u7ba1\u7406\u6548\u7387\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-44630","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44630","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=44630"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44630\/revisions"}],"predecessor-version":[{"id":44631,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44630\/revisions\/44631"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=44630"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=44630"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=44630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}