{"id":1677,"date":"2017-01-19T11:08:38","date_gmt":"2017-01-19T03:08:38","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=1677"},"modified":"2025-01-06T20:13:11","modified_gmt":"2025-01-06T12:13:11","slug":"3-%e4%b8%aa%e5%9c%a8-linux-%e4%b8%ad%e6%b0%b8%e4%b9%85%e5%b9%b6%e5%ae%89%e5%85%a8%e5%88%a0%e9%99%a4%e6%96%87%e4%bb%b6%e5%92%8c%e7%9b%ae%e5%bd%95%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/jishu\/linux\/3-%e4%b8%aa%e5%9c%a8-linux-%e4%b8%ad%e6%b0%b8%e4%b9%85%e5%b9%b6%e5%ae%89%e5%85%a8%e5%88%a0%e9%99%a4%e6%96%87%e4%bb%b6%e5%92%8c%e7%9b%ae%e5%bd%95%e7%9a%84%e6%96%b9%e6%b3%95\/","title":{"rendered":"3 \u4e2a\u5728 Linux \u4e2d\u6c38\u4e45\u5e76\u5b89\u5168\u5220\u9664\u6587\u4ef6\u548c\u76ee\u5f55\u7684\u65b9\u6cd5"},"content":{"rendered":"\n<p>\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4e60\u60ef\u4e8e\u4f7f\u7528 <code>Delete<\/code> \u952e\u3001\u5783\u573e\u7bb1\u6216 <code>rm<\/code> \u547d\u4ee4\u4ece\u6211\u4eec\u7684\u8ba1\u7b97\u673a\u4e2d\u5220\u9664\u6587\u4ef6\uff0c\u4f46\u8fd9\u4e0d\u662f\u6c38\u4e45\u5b89\u5168\u5730\u4ece\u786c\u76d8\u4e2d\uff08\u6216\u4efb\u4f55\u5b58\u50a8\u4ecb\u8d28\uff09\u5220\u9664\u6587\u4ef6\u7684\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p>\u8be5\u6587\u4ef6\u53ea\u662f\u5bf9\u7528\u6237\u9690\u85cf\uff0c\u5b83\u9a7b\u7559\u5728\u786c\u76d8\u4e0a\u7684\u67d0\u4e2a\u5730\u65b9\u3002\u5b83\u6709\u53ef\u80fd\u88ab\u6570\u636e\u7a83\u8d3c\u3001\u6267\u6cd5\u53d6\u8bc1\u6216\u5176\u5b83\u65b9\u5f0f\u6765\u6062\u590d\u3002<\/p>\n\n\n\n<p>\u5047\u8bbe\u6587\u4ef6\u5305\u542b\u5bc6\u7ea7\u6216\u673a\u5bc6\u5185\u5bb9\uff0c\u4f8b\u5982\u5b89\u5168\u7cfb\u7edf\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\uff0c\u5177\u6709\u5fc5\u8981\u77e5\u8bc6\u548c\u6280\u80fd\u7684\u653b\u51fb\u8005\u53ef\u4ee5\u8f7b\u677e\u5730\u6062\u590d\u5220\u9664\u6587\u4ef6\u7684\u526f\u672c\u5e76\u8bbf\u95ee\u8fd9\u4e9b\u7528\u6237\u51ed\u8bc1\uff08\u4f60\u53ef\u4ee5\u731c\u6d4b\u5230\u8fd9\u79cd\u60c5\u51b5\u7684\u540e\u679c\uff09\u3002<\/p>\n\n\n\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u89e3\u91ca\u4e00\u4e9b\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u7528\u4e8e\u6c38\u4e45\u5e76\u5b89\u5168\u5730\u5220\u9664 Linux \u4e2d\u7684\u6587\u4ef6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc_1\">1\u3001 shred \u2013 \u8986\u76d6\u6587\u4ef6\u6765\u9690\u85cf\u5185\u5bb9<\/h3>\n\n\n\n<p><code>shred<\/code> \u4f1a\u8986\u76d6\u6587\u4ef6\u6765\u9690\u85cf\u5b83\u7684\u5185\u5bb9\uff0c\u5e76\u4e14\u4e5f\u53ef\u4ee5\u9009\u62e9\u5220\u9664\u5b83\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ shred <\/span><span class=\"pun\">-<\/span><span class=\"pln\">zvu <\/span><span class=\"pun\">-<\/span><span class=\"pln\">n <\/span><span class=\"lit\">5<\/span><span class=\"pln\"> passwords<\/span><span class=\"pun\">.<\/span><span class=\"kwd\">list<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<p>\u5728\u4e0b\u9762\u7684\u547d\u4ee4\u4e2d\uff0c\u9009\u9879\u6709\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code>-z<\/code> &#8211; \u7528\u96f6\u8986\u76d6\u4ee5\u9690\u85cf\u788e\u7247<\/li>\n\n\n\n<li><code>-v<\/code> &#8211; \u663e\u793a\u64cd\u4f5c\u8fdb\u5ea6<\/li>\n\n\n\n<li><code>-u<\/code> &#8211; \u5728\u8986\u76d6\u540e\u622a\u65ad\u5e76\u5220\u9664\u6587\u4ef6<\/li>\n\n\n\n<li><code>-n<\/code> &#8211; \u6307\u5b9a\u8986\u76d6\u6587\u4ef6\u5185\u5bb9\u7684\u6b21\u6570\uff08\u9ed8\u8ba4\u503c\u4e3a3\uff09<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/01\/shred.png\"><img loading=\"lazy\" decoding=\"async\" width=\"593\" height=\"458\" src=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/01\/shred.png\" alt=\"\" class=\"wp-image-8994\" title=\"shred - \u8986\u76d6\u6587\u4ef6\u6765\u9690\u85cf\u5b83\u7684\u5185\u5bb9\" srcset=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/01\/shred.png 593w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/01\/shred-300x232.png 300w\" sizes=\"auto, (max-width: 593px) 100vw, 593px\" \/><\/a><\/figure>\n\n\n\n<p class=\"article_img\"><\/p>\n\n\n\n<p class=\"article_img_desc\"><em>shred &#8211; \u8986\u76d6\u6587\u4ef6\u6765\u9690\u85cf\u5b83\u7684\u5185\u5bb9<\/em><\/p>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u5728 <code>shred<\/code> \u7684\u5e2e\u52a9\u9875\u4e2d\u627e\u5230\u66f4\u591a\u7684\u7528\u6cd5\u9009\u9879\u548c\u4fe1\u606f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">man<\/span><span class=\"pln\"> shred<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc_2\">2\u3001 wipe \u2013 \u5728 Linux \u4e2d\u5b89\u5168\u5220\u9664\u6587\u4ef6<\/h3>\n\n\n\n<p><code>wipe<\/code> \u547d\u4ee4\u53ef\u4ee5\u5b89\u5168\u5730\u64e6\u9664\u78c1\u76d8\u4e2d\u7684\u6587\u4ef6\uff0c\u4ece\u800c\u4e0d\u53ef\u80fd\u6062\u590d\u5220\u9664\u7684\u6587\u4ef6\u6216\u76ee\u5f55\u5185\u5bb9\u3002<\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u4f60\u9700\u8981\u5b89\u88c5 <code>wipe<\/code> \u5de5\u5177\uff0c\u8fd0\u884c\u4ee5\u4e0b\u9002\u5f53\u7684\u547d\u4ee4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">sudo<\/span> <span class=\"kwd\">apt-get<\/span><span class=\"pln\"> install wipe <\/span><span class=\"pun\">[<\/span><span class=\"typ\">Debian<\/span> <span class=\"pun\">\u53ca\u5176\u884d\u751f\u7248]<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">sudo<\/span> <span class=\"kwd\">yum<\/span><span class=\"pln\"> install wipe <\/span><span class=\"pun\">[\u57fa\u4e8e<\/span> <span class=\"typ\">RedHat<\/span> <span class=\"pun\">\u7684\u7cfb\u7edf]<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<p>\u4e0b\u9762\u7684\u547d\u4ee4\u4f1a\u9500\u6bc1 private \u76ee\u5f55\u4e0b\u7684\u6240\u6709\u6587\u4ef6\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ wipe <\/span><span class=\"pun\">-<\/span><span class=\"pln\">rfi <\/span><span class=\"kwd\">private<\/span><span class=\"com\">\/*<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<p>\u5f53\u4f7f\u7528\u4e0b\u9762\u7684\u6807\u5fd7\u65f6\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code>-r<\/code> &#8211; \u544a\u8bc9 <code>wipe<\/code> \u9012\u5f52\u5730\u64e6\u9664\u5b50\u76ee\u5f55<\/li>\n\n\n\n<li><code>-f<\/code> &#8211; \u542f\u7528\u5f3a\u5236\u5220\u9664\u5e76\u7981\u7528\u786e\u8ba4\u67e5\u8be2<\/li>\n\n\n\n<li><code>-i<\/code> &#8211; \u663e\u793a\u64e6\u9664\u8fdb\u5ea6<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/01\/wipe.png\"><img loading=\"lazy\" decoding=\"async\" width=\"963\" height=\"249\" src=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/01\/wipe.png\" alt=\"\" class=\"wp-image-8995\" title=\"wipe \u2013 \u5728 Linux \u4e2d\u5b89\u5168\u64e6\u9664\u6587\u4ef6\" srcset=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/01\/wipe.png 963w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/01\/wipe-300x78.png 300w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/01\/wipe-768x199.png 768w\" sizes=\"auto, (max-width: 963px) 100vw, 963px\" \/><\/a><\/figure>\n\n\n\n<p class=\"article_img\"><\/p>\n\n\n\n<p class=\"article_img_desc\"><em>wipe \u2013 \u5728 Linux \u4e2d\u5b89\u5168\u64e6\u9664\u6587\u4ef6<\/em><\/p>\n\n\n\n<p>\u6ce8\u610f\uff1a<code>wipe<\/code> \u4ec5\u53ef\u4ee5\u5728\u78c1\u6027\u5b58\u50a8\u4e0a\u53ef\u4ee5\u53ef\u9760\u5730\u5de5\u4f5c\uff0c\u56e0\u6b64\u5bf9\u56fa\u6001\u78c1\u76d8\uff08\u5185\u5b58\uff09\u8bf7\u4f7f\u7528\u5176\u4ed6\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p>\u9605\u8bfb <code>wipe<\/code> \u624b\u518c\u4ee5\u83b7\u53d6\u5176\u4ed6\u4f7f\u7528\u9009\u9879\u548c\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">man<\/span><span class=\"pln\"> wipe<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc_3\">3\u3001 Linux \u4e2d\u7684\u5b89\u5168\u5220\u9664\u5de5\u5177\u96c6<\/h3>\n\n\n\n<p>secure-delete \u662f\u4e00\u4e2a\u5b89\u5168\u6587\u4ef6\u5220\u9664\u5de5\u5177\u7684\u96c6\u5408\uff0c\u5b83\u5305\u542b\u7528\u4e8e\u5b89\u5168\u5220\u9664\u6587\u4ef6\u7684 <code>srm<\/code>\uff08secure_deletion\uff09\u5de5\u5177\u3002<\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u4f60\u9700\u8981\u4f7f\u7528\u4ee5\u4e0b\u76f8\u5173\u547d\u4ee4\u5b89\u88c5\u5b83\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">sudo<\/span> <span class=\"kwd\">apt-get<\/span><span class=\"pln\"> install secure<\/span><span class=\"pun\">-<\/span><span class=\"kwd\">delete<\/span> <span class=\"pun\">[<\/span><span class=\"typ\">Debian<\/span> <span class=\"pun\">\u53ca\u5176\u884d\u751f\u7248]<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">sudo<\/span> <span class=\"kwd\">yum<\/span><span class=\"pln\"> install secure<\/span><span class=\"pun\">-<\/span><span class=\"kwd\">delete<\/span> <span class=\"pun\">[\u57fa\u4e8e<\/span> <span class=\"typ\">RedHat<\/span> <span class=\"pun\">\u7684\u7cfb\u7edf]<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<p>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 <code>srm<\/code> \u5de5\u5177\u5728 Linux \u4e2d\u5b89\u5168\u5730\u5220\u9664\u6587\u4ef6\u548c\u76ee\u5f55\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ srm <\/span><span class=\"pun\">-<\/span><span class=\"pln\">vz <\/span><span class=\"kwd\">private<\/span><span class=\"com\">\/*<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<p>\u4e0b\u9762\u662f\u4f7f\u7528\u7684\u9009\u9879\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code>-v<\/code>\u00a0\u2013 \u542f\u7528 verbose \u6a21\u5f0f<\/li>\n\n\n\n<li><code>-z<\/code>\u00a0\u2013 \u75280\u800c\u4e0d\u662f\u968f\u673a\u6570\u636e\u6765\u64e6\u9664\u6700\u540e\u7684\u5199\u5165<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/01\/srm.png\"><img loading=\"lazy\" decoding=\"async\" width=\"725\" height=\"154\" src=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/01\/srm.png\" alt=\"\" class=\"wp-image-8996\" title=\"srm \u2013 \u5728 Linux \u4e2d\u5b89\u5168\u5220\u9664\u6587\u4ef6\" srcset=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/01\/srm.png 725w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/01\/srm-300x64.png 300w\" sizes=\"auto, (max-width: 725px) 100vw, 725px\" \/><\/a><\/figure>\n\n\n\n<p class=\"article_img\"><\/p>\n\n\n\n<p class=\"article_img_desc\"><em>srm \u2013 \u5728 Linux \u4e2d\u5b89\u5168\u5220\u9664\u6587\u4ef6<\/em><\/p>\n\n\n\n<p>\u9605\u8bfb srm \u624b\u518c\u6765\u83b7\u53d6\u66f4\u591a\u7684\u4f7f\u7528\u9009\u9879\u548c\u4fe1\u606f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">man<\/span><span class=\"pln\"> srm<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc_4\">4\u3001 sfill -\u5b89\u5168\u514d\u8d39\u7684\u78c1\u76d8 \/ inode \u7a7a\u95f4\u64e6\u9664\u5668<\/h3>\n\n\n\n<p><code>sfill<\/code> \u662f secure-deletetion \u5de5\u5177\u5305\u7684\u4e00\u90e8\u5206\uff0c\u662f\u4e00\u4e2a\u5b89\u5168\u514d\u8d39\u7684\u78c1\u76d8\u548c inode \u7a7a\u95f4\u64e6\u9664\u5668\uff0c\u5b83\u4ee5\u5b89\u5168\u7684\u65b9\u6cd5\u5220\u9664\u53ef\u7528\u78c1\u76d8\u7a7a\u95f4\u4e2d\u7684\u6587\u4ef6\u3002 <code>sfill<\/code> \u4f1a\u68c0\u67e5\u6307\u5b9a\u5206\u533a\u4e0a\u7684\u53ef\u7528\u7a7a\u95f4\uff0c\u5e76\u4f7f\u7528\u6765\u81ea <code>\/dev\/urandom<\/code> \u7684\u968f\u673a\u6570\u636e\u586b\u5145\u5b83\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u547d\u4ee4\u5c06\u5728\u6211\u7684\u6839\u5206\u533a\u4e0a\u6267\u884c <code>sfill<\/code>\uff0c\u4f7f\u7528 `-v&#8217; \u9009\u9879\u542f\u7528 verbose \u6a21\u5f0f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">sudo<\/span><span class=\"pln\"> sfill <\/span><span class=\"pun\">-<\/span><span class=\"pln\">v <\/span><span class=\"pun\">\/<\/span><span class=\"pln\">home<\/span><span class=\"pun\">\/<\/span><span class=\"pln\">aaronkilik<\/span><span class=\"pun\">\/<\/span><span class=\"pln\">tmp<\/span><span class=\"pun\">\/<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<p>\u5047\u8bbe\u4f60\u521b\u5efa\u4e86\u4e00\u4e2a\u5355\u72ec\u7684\u5206\u533a <code>\/home<\/code> \u6765\u5b58\u50a8\u6b63\u5e38\u7684\u7cfb\u7edf\u7528\u6237\u4e3b\u76ee\u5f55\uff0c\u4f60\u53ef\u4ee5\u5728\u8be5\u5206\u533a\u4e0a\u6307\u5b9a\u4e00\u4e2a\u76ee\u5f55\uff0c\u4ee5\u4fbf\u5728\u5176\u4e0a\u5e94\u7528 <code>sfill<\/code>\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">sudo<\/span><span class=\"pln\"> sfill <\/span><span class=\"pun\">-<\/span><span class=\"pln\">v <\/span><span class=\"pun\">\/<\/span><span class=\"pln\">home<\/span><span class=\"pun\">\/<\/span><span class=\"pln\">username<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u5728 sfill \u7684\u624b\u518c\u4e0a\u770b\u5230\u4e00\u4e9b\u9650\u5236\uff0c\u4f60\u4e5f\u53ef\u4ee5\u770b\u5230\u989d\u5916\u7684\u4f7f\u7528\u6807\u5fd7\u548c\u547d\u4ee4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">man<\/span><span class=\"pln\"> sfill<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<p>\u6ce8\u610f\uff1asecure-deletetion \u5de5\u5177\u5305\u4e2d\u7684\u53e6\u5916\u4e24\u4e2a\u5de5\u5177\uff08<code>sswap<\/code> \u548c <code>sdmem<\/code>\uff09\u4e0e\u672c\u6307\u5357\u7684\u8303\u56f4\u4e0d\u76f4\u63a5\u76f8\u5173\uff0c\u4f46\u662f\uff0c\u4e3a\u4e86\u5c06\u6765\u7684\u4f7f\u7528\u548c\u4f20\u64ad\u77e5\u8bc6\u7684\u76ee\u7684\uff0c\u6211\u4eec\u4f1a\u5728\u4e0b\u9762\u4ecb\u7ecd\u5b83\u4eec\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc_5\">5\u3001 sswap \u2013 \u5b89\u5168 swap \u64e6\u9664\u5668<\/h3>\n\n\n\n<p>\u5b83\u662f\u4e00\u4e2a\u5b89\u5168\u7684\u5206\u533a\u64e6\u9664\u5668\uff0c<code>sswap<\/code> \u4ee5\u5b89\u5168\u7684\u65b9\u5f0f\u5220\u9664 swap \u5206\u533a\u4e0a\u5b58\u5728\u7684\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u8b66\u544a\uff1a\u8bf7\u8bb0\u4f4f\u5728\u4f7f\u7528 <code>sswap<\/code> \u4e4b\u524d\u5378\u8f7d swap \u5206\u533a\uff01 \u5426\u5219\u4f60\u7684\u7cfb\u7edf\u53ef\u80fd\u4f1a\u5d29\u6e83\uff01<\/p>\n\n\n\n<p>\u8981\u627e\u5230\u4ea4\u6362\u5206\u533a\uff08\u5e76\u68c0\u67e5\u5206\u9875\u548c\u4ea4\u6362\u8bbe\u5907\/\u6587\u4ef6\u662f\u5426\u5df2\u7ecf\u4f7f\u7528\uff0c\u8bf7\u4f7f\u7528 <code>swapon<\/code> \u547d\u4ee4\uff09\uff0c\u63a5\u4e0b\u6765\uff0c\u4f7f\u7528 <code>swapoff<\/code> \u547d\u4ee4\u7981\u7528\u5206\u9875\u548c\u4ea4\u6362\u8bbe\u5907\/\u6587\u4ef6\uff08\u4f7f swap \u5206\u533a\u4e0d\u53ef\u7528\uff09\u3002<\/p>\n\n\n\n<p>\u7136\u540e\u5728\uff08\u5173\u95ed\u7684\uff09 swap \u5206\u533a\u4e0a\u8fd0\u884c <code>sswap<\/code> \u547d\u4ee4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">cat<\/span> <span class=\"pun\">\/<\/span><span class=\"pln\">proc<\/span><span class=\"pun\">\/<\/span><span class=\"pln\">swaps <\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">swapon<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">sudo<\/span> <span class=\"kwd\">swapoff<\/span> <span class=\"pun\">\/<\/span><span class=\"pln\">dev<\/span><span class=\"pun\">\/<\/span><span class=\"pln\">sda6<\/span><\/code><\/li>\n\n\n\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">sudo<\/span><span class=\"pln\"> sswap <\/span><span class=\"pun\">\/<\/span><span class=\"pln\">dev<\/span><span class=\"pun\">\/<\/span><span class=\"pln\">sda6 <\/span><span class=\"com\">#\u8fd9\u4e2a\u547d\u4ee4\u8981\u82b1\u8d39\u4e00\u4e9b\u65f6\u95f4\uff0c\u9ed8\u8ba4\u8981\u8fdb\u884c<\/span> <span class=\"lit\">38<\/span> <span class=\"pun\">\u904d\u64e6\u9664<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/01\/sswap.png\"><img loading=\"lazy\" decoding=\"async\" width=\"805\" height=\"268\" src=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/01\/sswap.png\" alt=\"\" class=\"wp-image-8997\" title=\"sswap \u2013 \u5b89\u5168 swap \u64e6\u9664\u5668\" srcset=\"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/01\/sswap.png 805w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/01\/sswap-300x100.png 300w, https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/01\/sswap-768x256.png 768w\" sizes=\"auto, (max-width: 805px) 100vw, 805px\" \/><\/a><\/figure>\n\n\n\n<p class=\"article_img\"><\/p>\n\n\n\n<p class=\"article_img_desc\"><em>sswap \u2013 \u5b89\u5168 swap \u64e6\u9664\u5668<\/em><\/p>\n\n\n\n<p>\u9605\u8bfb <code>sswap<\/code> \u7684\u624b\u518c\u6765\u83b7\u53d6\u66f4\u591a\u7684\u9009\u9879\u548c\u4fe1\u606f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">man<\/span><span class=\"pln\"> sswap<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc_6\">6\u3001 sdmem \u2013 \u5b89\u5168\u5185\u5b58\u64e6\u9664\u5668<\/h3>\n\n\n\n<p><code>sdmem<\/code> \u662f\u4e00\u4e2a\u5b89\u5168\u7684\u5185\u5b58\u64e6\u9664\u5668\uff0c\u5176\u8bbe\u8ba1\u76ee\u7684\u662f\u4ee5\u5b89\u5168\u7684\u65b9\u5f0f\u5220\u9664\u5b58\u50a8\u5668\uff08RAM\uff09\u4e2d\u7684\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u5b83\u6700\u521d\u547d\u540d\u4e3a smem\uff0c\u4f46\u662f\u56e0\u4e3a\u5728 Debain \u7cfb\u7edf\u4e0a\u5b58\u5728\u53e6\u4e00\u4e2a\u5305 smem &#8211; \u62a5\u544a\u6bcf\u4e2a\u8fdb\u7a0b\u548c\u6bcf\u4e2a\u7528\u6237\u7684\u5185\u5b58\u6d88\u8017\uff0c\u5f00\u53d1\u4eba\u5458\u51b3\u5b9a\u5c06\u5b83\u91cd\u547d\u540d\u4e3a <code>sdmem<\/code>\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">sudo<\/span><span class=\"pln\"> sdmem <\/span><span class=\"pun\">-<\/span><span class=\"pln\">f <\/span><span class=\"pun\">-<\/span><span class=\"pln\">v<\/span><\/code><\/li>\n<\/ol>\n\n\n\n<p>\u5173\u4e8e\u66f4\u591a\u7684\u4f7f\u7528\u4fe1\u606f\uff0c\u9605\u8bfb <code>sdmen<\/code> \u7684\u624b\u518c\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list linenums\">\n<li><code><span class=\"pln\">$ <\/span><span class=\"kwd\">man<\/span><span class=\"pln\"> sdmem <\/span><\/code><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4e60\u60ef\u4e8e\u4f7f\u7528 Delete \u952e\u3001\u5783\u573e\u7bb1\u6216 rm \u547d\u4ee4\u4ece\u6211\u4eec\u7684\u8ba1\u7b97\u673a\u4e2d\u5220\u9664\u6587\u4ef6\uff0c\u4f46\u8fd9\u4e0d\u662f\u6c38\u4e45\u5b89 &#8230; <a title=\"3 \u4e2a\u5728 Linux \u4e2d\u6c38\u4e45\u5e76\u5b89\u5168\u5220\u9664\u6587\u4ef6\u548c\u76ee\u5f55\u7684\u65b9\u6cd5\" class=\"read-more\" href=\"https:\/\/cn.hostease.com\/xueyuan\/jishu\/linux\/3-%e4%b8%aa%e5%9c%a8-linux-%e4%b8%ad%e6%b0%b8%e4%b9%85%e5%b9%b6%e5%ae%89%e5%85%a8%e5%88%a0%e9%99%a4%e6%96%87%e4%bb%b6%e5%92%8c%e7%9b%ae%e5%bd%95%e7%9a%84%e6%96%b9%e6%b3%95\/\" aria-label=\"\u9605\u8bfb 3 \u4e2a\u5728 Linux \u4e2d\u6c38\u4e45\u5e76\u5b89\u5168\u5220\u9664\u6587\u4ef6\u548c\u76ee\u5f55\u7684\u65b9\u6cd5\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[49],"tags":[38,37],"class_list":["post-1677","post","type-post","status-publish","format-standard","hentry","category-linux","tag-linux","tag-rm"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/1677","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/comments?post=1677"}],"version-history":[{"count":2,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/1677\/revisions"}],"predecessor-version":[{"id":8998,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/1677\/revisions\/8998"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=1677"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=1677"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=1677"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}