{"id":2803,"date":"2026-08-30T13:55:15","date_gmt":"2026-08-30T05:55:15","guid":{"rendered":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/?p=2803"},"modified":"2026-08-30T14:06:32","modified_gmt":"2026-08-30T06:06:32","slug":"qt-qpa-xcb-could-not-connect-to-display-10-0","status":"publish","type":"post","link":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/2026\/08\/30\/qt-qpa-xcb-could-not-connect-to-display-10-0\/","title":{"rendered":"qt.qpa.xcb: could not connect to display :10.0"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">miniDNServer \u542f\u52a8 DNS \u670d\u52a1\u9700\u8981\u7ed1\u5b9a\u6807\u51c6 53 \u7aef\u53e3\uff0c\u5728 Linux \u7cfb\u7edf\u4e0b\u9ed8\u8ba4\u9700\u8981\u6709 root \u6743\u9650\uff08\u6216\u8005 sudo \uff09\u624d\u80fd\u7ed1\u5b9a 1024 \u4ee5\u4e0b\u7684\u7aef\u53e3\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\u90fd\u80fd\u6b63\u5e38\u8fd0\u884c\uff0c\u4f46\u662f\u5728 Pi \u7cfb\u7edf\u4e2d\u4ee5 sudo \u65b9\u5f0f\u8fd0\u884c\u65f6\uff0c\u63d0\u793a\u4ee5\u4e0b\u9519\u8bef\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">No protocol specified\nqt.qpa.xcb: could not connect to display :10.0\nqt.qpa.plugin: Could not load the Qt platform plugin \"xcb\" in \"\" even though it was found.\nThis application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.\n\nAvailable platform plugins are: xcb.<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u662f X11 auth \u5bfc\u81f4\u7684\u95ee\u9898\u3002sudo \u7528\u6237\u6ca1\u6709\u8bbe\u7f6e\u8bbf\u95ee x server \u7684\u6743\u9650\uff0c\u6309\u4ee5\u4e0b\u6b65\u9aa4\u53ef\u4ee5\u89e3\u51b3\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uff081\uff09\u5f53\u524d\u6b63\u5e38\u7528\u6237\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u67e5\u770b\u6b63\u5e38 cookie\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">xauth list $DISPLAY<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b63\u5e38\u60c5\u51b5\u4e0b\u4f1a\u663e\u793a\u591a\u6761\u8bb0\u5f55\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">raspberrypi\/unix:10 MIT-MAGIC-COOKIE-1 4f8433752c1eac61313208cbf9050683<br>raspberrypi\/unix:11 MIT-MAGIC-COOKIE-1 2c67fcb8cf523a837bedadcebad49958<br>raspberrypi\/unix:0 MIT-MAGIC-COOKIE-1 0cd700917a92e9f330154efdd19b6acf<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uff082\uff09\u5c06\u8fd9\u4e9b\u7ed3\u679c\u5168\u90e8\u52a0\u5165 sudo \u7684 xauth\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sudo xauth add raspberrypi\/unix:10 MIT-MAGIC-COOKIE-1 4f8433752c1eac61313208cbf9050683<br>sudo xauth add raspberrypi\/unix:11 MIT-MAGIC-COOKIE-1 2c67fcb8cf523a837bedadcebad49958<br>sudo xauth add raspberrypi\/unix:0 MIT-MAGIC-COOKIE-1 0cd700917a92e9f330154efdd19b6acf<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>miniDNServer \u542f\u52a8 DNS \u670d\u52a1\u9700\u8981\u7ed1\u5b9a\u6807\u51c6 53 \u7aef\u53e3\uff0c\u5728 Linux \u7cfb\u7edf\u4e0b\u9ed8\u8ba4\u9700\u8981\u6709 root \u6743\u9650\uff08\u6216\u8005 sudo \uff09\u624d\u80fd\u7ed1\u5b9a 1024 \u4ee5&#8230;<\/p>\n<p class=\"read-more\"><a class=\"btn btn-default\" href=\"https:\/\/www.myvoipapp.com\/blogs\/yxh\/2026\/08\/30\/qt-qpa-xcb-could-not-connect-to-display-10-0\/\"> Read More<span class=\"screen-reader-text\">  Read More<\/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":[53],"tags":[963,959,70,52,962,964,960],"class_list":["post-2803","post","type-post","status-publish","format-standard","hentry","category-53","tag-auth","tag-display","tag-qt","tag-root","tag-x11","tag-xauth","tag-xcb"],"_links":{"self":[{"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/posts\/2803","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/comments?post=2803"}],"version-history":[{"count":5,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/posts\/2803\/revisions"}],"predecessor-version":[{"id":2808,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/posts\/2803\/revisions\/2808"}],"wp:attachment":[{"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/media?parent=2803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/categories?post=2803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/tags?post=2803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}