{"id":13173,"date":"2024-04-26T17:41:52","date_gmt":"2024-04-26T09:41:52","guid":{"rendered":"http:\/\/xinyiworld.top\/wordpress_it\/?p=13173"},"modified":"2024-08-09T10:30:47","modified_gmt":"2024-08-09T02:30:47","slug":"namespace%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"http:\/\/xinyiworld.top\/wordpress_it\/?p=13173","title":{"rendered":"Namespace\u4ecb\u7ecd"},"content":{"rendered":"<p><a href=\"https:\/\/cloud.tencent.com\/developer\/article\/2129136\">https:\/\/cloud.tencent.com\/developer\/article\/2129136<\/a><br \/>\n<a href=\"https:\/\/www.cnblogs.com\/ExMan\/p\/14665154.html\">https:\/\/www.cnblogs.com\/ExMan\/p\/14665154.html<\/a> (**)<br \/>\n<a href=\"https:\/\/www.cnblogs.com\/luoxn28\/p\/12182586.html\">https:\/\/www.cnblogs.com\/luoxn28\/p\/12182586.html<\/a><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_16 counter-hierarchy counter-decimal ez-toc-grey\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><i class=\"ez-toc-glyphicon ez-toc-icon-toggle\"><\/i><\/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=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=13173\/#%E4%B8%80%E3%80%81namespace%E6%8A%80%E6%9C%AF%E5%8F%91%E5%B1%95%E5%8F%B2\" title=\"\u4e00\u3001namespace\u6280\u672f\u53d1\u5c55\u53f2\">\u4e00\u3001namespace\u6280\u672f\u53d1\u5c55\u53f2<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=13173\/#%E4%BA%8C%E3%80%81namespace%E5%91%BD%E4%BB%A4\" title=\"\u4e8c\u3001namespace\u547d\u4ee4\">\u4e8c\u3001namespace\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-3\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=13173\/#1%E6%9F%A5%E7%9C%8B%E5%BD%93%E5%89%8D%E8%BF%9B%E7%A8%8B%E6%89%80%E6%9C%89%E7%9A%84namespace\" title=\"1.\u67e5\u770b\u5f53\u524d\u8fdb\u7a0b\u6240\u6709\u7684namespace\">1.\u67e5\u770b\u5f53\u524d\u8fdb\u7a0b\u6240\u6709\u7684namespace<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-4\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=13173\/#2%E5%88%9B%E5%BB%BA%E6%88%96%E8%80%85%E5%8A%A0%E5%85%A5namespace\" title=\"2.\u521b\u5efa\u6216\u8005\u52a0\u5165namespace\">2.\u521b\u5efa\u6216\u8005\u52a0\u5165namespace<\/a><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-5\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=13173\/#%E4%B8%89%E3%80%81namespace%E5%88%86%E7%B1%BB\" title=\"\u4e09\u3001namespace\u5206\u7c7b\">\u4e09\u3001namespace\u5206\u7c7b<\/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=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=13173\/#1CLONE_NEWNS\" title=\"1.CLONE_NEWNS\">1.CLONE_NEWNS<\/a><ul class=\"ez-toc-list-level-4\"><li class=\"ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-7\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=13173\/#%E9%87%8D%E7%82%B91\" title=\"\u91cd\u70b91\">\u91cd\u70b91<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-8\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=13173\/#%E9%87%8D%E7%82%B92-%E9%9A%94%E7%A6%BB%E6%96%87%E4%BB%B6%E7%B3%BB%E7%BB%9F\" title=\"\u91cd\u70b92-\u9694\u79bb\u6587\u4ef6\u7cfb\u7edf\">\u91cd\u70b92-\u9694\u79bb\u6587\u4ef6\u7cfb\u7edf<\/a><\/li><\/ul><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-9\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=13173\/#%E5%9B%9B%E3%80%81namespace%E4%BA%A4%E4%BA%92%E5%B7%A5%E5%85%B7nsenter\" title=\"\u56db\u3001namespace\u4ea4\u4e92\u5de5\u5177nsenter\">\u56db\u3001namespace\u4ea4\u4e92\u5de5\u5177nsenter<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%E4%B8%80%E3%80%81namespace%E6%8A%80%E6%9C%AF%E5%8F%91%E5%B1%95%E5%8F%B2\"><\/span>\u4e00\u3001namespace\u6280\u672f\u53d1\u5c55\u53f2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/blog.csdn.net\/yuelai_217\/article\/details\/132664238\">https:\/\/blog.csdn.net\/yuelai_217\/article\/details\/132664238<\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E4%BA%8C%E3%80%81namespace%E5%91%BD%E4%BB%A4\"><\/span>\u4e8c\u3001namespace\u547d\u4ee4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1%E6%9F%A5%E7%9C%8B%E5%BD%93%E5%89%8D%E8%BF%9B%E7%A8%8B%E6%89%80%E6%9C%89%E7%9A%84namespace\"><\/span>1.\u67e5\u770b\u5f53\u524d\u8fdb\u7a0b\u6240\u6709\u7684namespace<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><code> ls -l \/proc\/self\/ns\/<\/code><br \/>\n\u901a\u8fc7\u6bd4\u5bf9namespace\u7684id\u5c31\u77e5\u9053\u8fdb\u7a0b\u5f53\u524d\u5904\u4e8e\u54ea\u4e9bnamespace\u4e0b\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2%E5%88%9B%E5%BB%BA%E6%88%96%E8%80%85%E5%8A%A0%E5%85%A5namespace\"><\/span>2.\u521b\u5efa\u6216\u8005\u52a0\u5165namespace<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Linux\u5bf9Namespace\u7684\u64cd\u4f5c\uff0c\u4e3b\u8981\u662f\u901a\u8fc7<strong>clone<\/strong>\u3001<strong>setns<\/strong>\u548c<strong>unshare<\/strong>\u8fd93\u4e2a\u7cfb\u7edf\u8c03\u7528\u6765\u5b8c\u6210\u7684\uff0cclone\u521b\u5efa\u65b0\u8fdb\u7a0b\u65f6\uff0c\u63a5\u6536\u4e00\u4e2a\u53ebflags\u7684\u53c2\u6570\uff0c\u8fd9\u4e9bflag\u5305\u62ecCLONE_NEWNS\u3001CLONE_NEWIPC\u3001CLONE_NEWUTS\u3001CLONE_NEWNET\uff08Mount namespace\uff09\u3001CLONE_NEWPID\u548cCLONE_NEWUSER\uff0c\u7528\u4e8e\u521b\u5efa\u65b0\u7684namespace\uff0c\u8fd9\u6837clone\u521b\u5efa\u51fa\u6765\u65b0\u8fdb\u7a0b\u4e4b\u540e\u5c31\u5c5e\u4e8e\u65b0\u7684namespace\u4e86\uff0c\u540e\u7eed\u65b0\u8fdb\u7a0b\u521b\u5efa\u7684\u8fdb\u7a0b\u9ed8\u8ba4\u5c5e\u4e8e\u540c\u4e00namespace\u3002<\/p>\n<p>\u5982\u679c\u60f3\u8981\u7ed9\u5df2\u5b58\u5728\u8fdb\u7a0b\u8bbe\u7f6e\u65b0\u7684namespace\uff0c\u53ef\u901a\u8fc7unshare\u51fd\u6570\uff08long unshare(unsigned long flags)\uff09\u5b8c\u6210\u8bbe\u7f6e\uff0c\u5176\u5165\u53c2flags\u8868\u793a\u65b0\u7684namespace\u3002\u5f53\u60f3\u8981\u7ed9\u5df2\u5b58\u5728\u8fdb\u7a0b\u8bbe\u7f6e\u5df2\u5b58\u5728\u7684namespace\uff0c\u53ef\u901a\u8fc7setns\u51fd\u6570\uff08int setns(int fd, int nstype)\uff09\u6765\u5b8c\u6210\u8bbe\u7f6e\uff0c\u6bcf\u4e2a\u8fdb\u7a0b\u5728procfs\u76ee\u5f55\uff08\/proc\/\u8fdb\u7a0bID\/ns\uff09\u4e0b\u5b58\u50a8\u5176\u76f8\u5173\u7684namespace\u4fe1\u606f\uff0c\u53ef\u627e\u5230\u5df2\u5b58\u5728\u7684namesapce\uff0c\u7136\u540e\u901a\u8fc7setns\u8bbe\u7f6e\u5373\u53ef\uff1a<\/p>\n<ul>\n<li>unshare\u547d\u4ee4\u5b9e\u6218<br \/>\n<a href=\"https:\/\/juejin.cn\/post\/6987564689606180900\">https:\/\/juejin.cn\/post\/6987564689606180900<\/a><br \/>\n<a href=\"https:\/\/zhuanlan.zhihu.com\/p\/614728214\">https:\/\/zhuanlan.zhihu.com\/p\/614728214<\/a> \uff08unshare\u547d\u4ee4\u5c01\u88c5\uff09<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%E4%B8%89%E3%80%81namespace%E5%88%86%E7%B1%BB\"><\/span>\u4e09\u3001namespace\u5206\u7c7b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/zhuanlan.zhihu.com\/p\/520309169\">https:\/\/zhuanlan.zhihu.com\/p\/520309169<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"1CLONE_NEWNS\"><\/span>1.CLONE_NEWNS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/blog.csdn.net\/weixin_33494995\/article\/details\/116717946\">https:\/\/blog.csdn.net\/weixin_33494995\/article\/details\/116717946<\/a><br \/>\n\u6ce8\u610fMount Namespace\u5bf9\u5e94CLONE_NEWNS\uff0c\u56e0\u4e3a\u5386\u53f2\u539f\u56e0\u547d\u540d\u4e0d\u4e00\u81f4\u3002<\/p>\n<p><a href=\"https:\/\/blog.csdn.net\/weixin_40108561\/article\/details\/125523491\">https:\/\/blog.csdn.net\/weixin_40108561\/article\/details\/125523491<\/a><br \/>\n<a href=\"https:\/\/www.cnblogs.com\/Benjious\/p\/14856849.html\">https:\/\/www.cnblogs.com\/Benjious\/p\/14856849.html<\/a><\/p>\n<h4><span class=\"ez-toc-section\" id=\"%E9%87%8D%E7%82%B91\"><\/span>\u91cd\u70b91<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>\n<p>\u65b0\u521b\u5efa\u7684\u5bb9\u5668\u4f1a\u76f4\u63a5\u7ee7\u627f\u5bbf\u4e3b\u673a\u7684\u5404\u4e2a\u6302\u8f7d\u70b9 .<\/p>\n<\/li>\n<li>\n<p>\u5728\u65b0\u7684\u8fdb\u7a0b\u4e2d\u6267\u884c mount \u547d\u4ee4, mount \u7684\u6548\u679c\u624d\u4f1a\u751f\u6548 .\u8fd9\u5c31\u662f Mount Namespace \u8ddf\u5176\u4ed6 Namespace \u7684\u4f7f\u7528\u7565\u6709\u4e0d\u540c\u7684\u5730\u65b9\uff1a\u5b83\u5bf9\u5bb9\u5668\u8fdb\u7a0b\u89c6\u56fe\u7684\u6539\u53d8\uff0c\u4e00\u5b9a\u662f\u4f34\u968f\u7740\u6302\u8f7d\u64cd\u4f5c\uff08mount\uff09\u624d\u80fd\u751f\u6548\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e0d\u96be\u60f3\u5230\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u5bb9\u5668\u8fdb\u7a0b\u542f\u52a8\u4e4b\u524d\u91cd\u65b0\u6302\u8f7d\u5b83\u7684\u6574\u4e2a\u6839\u76ee\u5f55\u201c\/\u201d\u3002\u800c\u7531\u4e8e Mount Namespace \u7684\u5b58\u5728\uff0c\u8fd9\u4e2a\u6302\u8f7d\u5bf9\u5bbf\u4e3b\u673a\u4e0d\u53ef\u89c1\uff0c\u6240\u4ee5\u5bb9\u5668\u8fdb\u7a0b\u5c31\u53ef\u4ee5\u5728\u91cc\u9762\u968f\u4fbf\u6298\u817e\u4e86\u3002<br \/>\n\u5982\u679cmnt\u547d\u540d\u7a7a\u95f4\u91cc\u6ca1\u6709mount\uff0c\u76f4\u63a5\u64cd\u4f5c\uff0c\u7b49\u4e8e\u662f\u5728\u4fee\u6539\u5bbf\u4e3b\u673a\u7684\u6587\u4ef6\u7cfb\u7edf\u3002<\/p>\n<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"%E9%87%8D%E7%82%B92-%E9%9A%94%E7%A6%BB%E6%96%87%E4%BB%B6%E7%B3%BB%E7%BB%9F\"><\/span>\u91cd\u70b92-\u9694\u79bb\u6587\u4ef6\u7cfb\u7edf<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u6211\u4eec\u4f7f\u7528namespace mount \u521b\u5efa\u4e86\u4e00\u4e2a\u4e0e\u4e3b\u673a\u6587\u4ef6\u7cfb\u7edf\u9694\u79bb\u7684\u5bb9\u5668\u8fdb\u7a0b\uff0c\u4f46\u662f\u6b64\u65f6\u5bb9\u5668\u5185\u7684\u76ee\u5f55\u6302\u8f7d\u662f\u7ee7\u627f\u4e86\u4e3b\u673a\u76ee\u5f55\u6302\u8f7d\u7684\u3002\u6211\u4eec\u9996\u5148\u8981\u5c06root \u6587\u4ef6\u7cfb\u7edf\u6302\u8f7d\u5230\u4e00\u4e2a\u65b0\u7684\u76ee\u5f55\u4e2d\u3002<\/p>\n<p>\u901a\u8fc7mount\u65e0\u6cd5\u5b9e\u73b0rootfs\u7684\u5207\u6362\uff0c\u56e0\u4e3a\u6211\u4eec\u65e0\u6cd5\u4f7f\u6240\u6709\u7684\u8fdb\u7a0b\u505c\u6b62\u4f7f\u7528\u5f53\u524drootfs \u3002\u5f53\u6211\u4eec\u4f7f\u7528umount \u5378\u8f7d\u5f53\u524drootfs\u6302\u8f7d\u540e\uff0c\u8fdb\u7a0b\u5df2\u7ecf\u65e0\u6cd5\u6b63\u5e38\u63d0\u4f9bmount\u64cd\u4f5c\u652f\u6301\u6211\u4eec\u6302\u8f7d\u65b0\u7684rootfs \u3002\u4f46\u662f\u53ef\u4ee5\u91c7\u7528\u53e6\u4e00\u4e2a\u7cfb\u7edf\u8c03\u7528:pivot_root<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E5%9B%9B%E3%80%81namespace%E4%BA%A4%E4%BA%92%E5%B7%A5%E5%85%B7nsenter\"><\/span>\u56db\u3001namespace\u4ea4\u4e92\u5de5\u5177nsenter<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>nsenter\u5373ns enter\u4e4b\u610f<br \/>\n<a href=\"https:\/\/blog.csdn.net\/IOT_AI\/article\/details\/137592170\">https:\/\/blog.csdn.net\/IOT_AI\/article\/details\/137592170<\/a><br \/>\n<a href=\"https:\/\/blog.csdn.net\/hezuijiudexiaobai\/article\/details\/130495974\">https:\/\/blog.csdn.net\/hezuijiudexiaobai\/article\/details\/130495974<\/a><\/p>\n<p>\u6e90\u7801\u4e0b\u8f7d\uff1a<code>apt-get source util-linux<\/code><\/p>\n<button class=\"simplefavorite-button\" data-postid=\"13173\" data-siteid=\"1\" data-groupid=\"1\" data-favoritecount=\"0\" style=\"\">\u6536\u85cf <i class=\"sf-icon-star-empty\"><\/i><\/button>","protected":false},"excerpt":{"rendered":"<p>https:\/\/cloud.tencent.com\/developer\/article\/212913 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1006],"tags":[],"_links":{"self":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/13173"}],"collection":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=13173"}],"version-history":[{"count":21,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/13173\/revisions"}],"predecessor-version":[{"id":14281,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/13173\/revisions\/14281"}],"wp:attachment":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13173"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13173"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}