{"id":4061,"date":"2018-08-13T20:24:01","date_gmt":"2018-08-13T12:24:01","guid":{"rendered":"https:\/\/ixyzero.com\/blog\/?p=4061"},"modified":"2018-08-13T20:24:01","modified_gmt":"2018-08-13T12:24:01","slug":"linux%e7%b3%bb%e7%bb%9f%e4%b8%8b%e7%9a%84nss%e6%9c%8d%e5%8a%a1%e5%92%8c-etc-nsswitch-conf%e6%96%87%e4%bb%b6%e5%ad%a6%e4%b9%a0","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/4061.html","title":{"rendered":"Linux\u7cfb\u7edf\u4e0b\u7684NSS\u670d\u52a1\u548c\/etc\/nsswitch.conf\u6587\u4ef6\u5b66\u4e60"},"content":{"rendered":"<p>=Start=<\/p>\n<h4 id=\"id-\u6a21\u677f-\u7f18\u7531\uff1a\">\u7f18\u7531\uff1a<\/h4>\n<p>\u4e0d\u61c2\u5c31\u95ee\uff0c\u4e0d\u4f1a\u5c31\u67e5\u3002\u591a\u5c1d\u8bd5\uff0c\u591a\u4e86\u89e3\uff0c\u4ee5\u671f\u4e0d\u65ad\u63d0\u5347\u3002<\/p>\n<h4 id=\"id-\u6a21\u677f-\u6b63\u6587\uff1a\">\u6b63\u6587\uff1a<\/h4>\n<h5 id=\"id-\u6a21\u677f-\u53c2\u8003\u89e3\u7b54\uff1a\">\u53c2\u8003\u89e3\u7b54\uff1a<\/h5>\n<h6># NSS \u662f\u4ec0\u4e48\uff1f<\/h6>\n<p>\u6839\u636e<a href=\"https:\/\/en.wikipedia.org\/wiki\/Name_Service_Switch\">wikipedia<\/a>\u4e2d\u7684\u8bf4\u660e\uff0cNSS(Name Service Switch, \u540d\u79f0\u670d\u52a1\u5f00\u5173)\u662f\u7c7bunix\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u4e00\u79cd\u5de5\u5177\uff0c\u5b83\u4e3a\u901a\u7528\u914d\u7f6e\u6570\u636e\u5e93\u548c\u540d\u79f0\u89e3\u6790\u673a\u5236\u63d0\u4f9b\u4e86\u5404\u79cd\u6765\u6e90\u3002\u8fd9\u4e9b\u6e90\u6587\u4ef6\u5305\u62ec\u672c\u5730\u64cd\u4f5c\u7cfb\u7edf\u6587\u4ef6(\u4f8b\u5982\/etc\/passwd\u3001\/etc\/group\u548c\/etc\/hosts)\u3001\u57df\u540d\u7cfb\u7edf(DNS)\u3001\u7f51\u7edc\u4fe1\u606f\u670d\u52a1(NIS)\u548cLDAP\u3002<\/p>\n<h6># nsswitch.conf \u662f\u4ec0\u4e48\uff1f<\/h6>\n<p><strong>nsswitch.conf(name service switch configuration\uff0c\u540d\u79f0\u670d\u52a1\u5207\u6362\u914d\u7f6e)\u6587\u4ef6\u4f4d\u4e8e\/etc\u76ee\u5f55\u4e0b\uff0c<span style=\"color: #ff0000;\">\u7531\u5b83\u89c4\u5b9a\u901a\u8fc7\u54ea\u4e9b\u9014\u5f84\u4ee5\u53ca\u6309\u7167\u4ec0\u4e48\u987a\u5e8f\u4ee5\u53ca\u901a\u8fc7\u8fd9\u4e9b\u9014\u5f84\u6765\u67e5\u627e\u7279\u5b9a\u7c7b\u578b\u7684\u4fe1\u606f\uff0c\u8fd8\u53ef\u4ee5\u6307\u5b9a\u67d0\u4e2a\u65b9\u6cd5\u594f\u6548\u6216\u5931\u6548\u65f6\u7cfb\u7edf\u5c06\u91c7\u53d6\u4ec0\u4e48\u52a8\u4f5c\u3002<\/span><\/strong><\/p>\n<h6># nsswitch.conf \u7684\u539f\u7406\u548c\u914d\u7f6e<\/h6>\n<p>\u5f53\u9700\u8981\u63d0\u4f9bnsswitch.conf\u6587\u4ef6\u6240\u63cf\u8ff0\u7684\u4fe1\u606f\u7684\u65f6\u5019\uff0c\u7cfb\u7edf\u5c06\u68c0\u67e5\u542b\u6709\u76f8\u5173info\u5b57\u6bb5\u7684\u914d\u7f6e\u884c\u3002<span style=\"color: #ff0000;\">\u5b83\u6309\u7167\u4ece\u5de6\u5411\u53f3\u7684\u987a\u5e8f\u5f00\u59cb\u6267\u884c\u914d\u7f6e\u884c\u4e2d\u6307\u5b9a\u7684\u65b9\u6cd5\u3002\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u627e\u5230\u671f\u671b\u7684\u4fe1\u606f\uff0c\u7cfb\u7edf\u5c06\u505c\u6b62\u641c\u7d22\u3002<\/span>\u5982\u679c\u6ca1\u6709\u6307\u5b9aaction\uff0c\u90a3\u4e48\u5f53\u67d0\u4e2a\u65b9\u6cd5\u672a\u80fd\u8fd4\u56de\u7ed3\u679c\u65f6\uff0c\u7cfb\u7edf\u5c31\u4f1a\u5c1d\u8bd5\u4e0b\u4e00\u4e2a\u52a8\u4f5c\u3002\u6709\u53ef\u80fd\u641c\u7d22\u7ed3\u675f\u90fd\u6ca1\u6709\u627e\u5230\u60f3\u8981\u7684\u4fe1\u606f\u3002<\/p>\n<p>nsswitch.conf\u4e2d\u7684\u6bcf\u4e00\u884c\u914d\u7f6e\u90fd\u6307\u660e\u4e86\u5982\u4f55\u641c\u7d22\u4fe1\u606f\uff0c\u6bcf\u884c\u914d\u7f6e\u7684\u683c\u5f0f\u5982\u4e0b\uff1a<br \/>\ninfo: method[[action]] [method[[action]]&#8230;]<br \/>\n\u5176\u4e2d\uff0cinfo\u6307\u5b9a\u8be5\u884c\u6240\u63cf\u8ff0\u7684\u4fe1\u606f\u7684\u7c7b\u578b\uff0cmethod\u4e3a\u7528\u6765\u67e5\u627e\u8be5\u4fe1\u606f\u7684\u65b9\u6cd5\uff0caction\u662f\u5bf9\u524d\u9762\u7684method\u8fd4\u56de\u72b6\u6001\u7684\u54cd\u5e94\u3002action\u8981\u653e\u5728\u65b9\u62ec\u53f7\u91cc\u3002<\/p>\n<h6><strong># \u5e38\u89c1\u4f7f\u7528\u573a\u666f\u548c\u4f5c\u7528<\/strong><\/h6>\n<p>\u5206\u5e03\u5f0f(\u975e\u672c\u5730)\u5e10\u53f7\u914d\u7f6e\uff1b<br \/>\nDNS\u89e3\u6790\u987a\u5e8f\uff1b<br \/>\n\u57fa\u4e8enss_http\u81ea\u5df1\u5b9e\u73b0\u4e00\u4e2aHTTP\u5f62\u5f0f\u7684\u67e5\u8be2\u3001\u8ba4\u8bc1\u63a5\u53e3\uff1b<\/p>\n<p>&nbsp;<\/p>\n<h5 id=\"id-\u6a21\u677f-\u53c2\u8003\u94fe\u63a5\uff1a\">\u53c2\u8003\u94fe\u63a5\uff1a<\/h5>\n<ul>\n<li><a href=\"http:\/\/www.cnblogs.com\/cute\/archive\/2012\/05\/17\/2506342.html\">nsswitch.conf\u6587\u4ef6\u8be6\u89e3<\/a><br \/>\n<a href=\"https:\/\/blog.csdn.net\/water_cow\/article\/details\/7190880\">https:\/\/blog.csdn.net\/water_cow\/article\/details\/7190880<\/a><\/li>\n<li><a href=\"https:\/\/blog.csdn.net\/waqwn\/article\/details\/51687719\">Linux\u7cfb\u7edf\u4e0b\u7684\/etc\/nsswitch.conf\u6587\u4ef6<\/a><br \/>\n<a href=\"https:\/\/www.cnblogs.com\/besharp\/p\/8351227.html\">https:\/\/www.cnblogs.com\/besharp\/p\/8351227.html<\/a><\/li>\n<li>==<\/li>\n<li><a href=\"https:\/\/blog.csdn.net\/astrotycoon\/article\/details\/78144674\">\u4e86\u89e3glibc\u7684Name Service Switch<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/google\/nsscache\/wiki\/BackgroundOnNameServiceSwitch\">BackgroundOnNameServiceSwitch<\/a><\/li>\n<li><a href=\"https:\/\/beeznest.com\/blog\/2008\/07\/14\/name-service-switch-under-unixlinux\/\">Name Service Switch under UNIX\/Linux<\/a><\/li>\n<li><a href=\"https:\/\/docs.oracle.com\/cd\/E19683-01\/806-4077\/6jd6blbbb\/index.html\">The Name Service Switch (Overview)<\/a><\/li>\n<li><a href=\"https:\/\/searchitchannel.techtarget.com\/feature\/Using-nsswitchconf-to-find-Linux-system-information\">How to use nsswitch.com to find Linux system information<\/a><\/li>\n<li><a href=\"http:\/\/book.51cto.com\/art\/200906\/126226.htm\">1.8\u3000nsswitch.conf\uff1a\u670d\u52a1\u641c\u7d22\u987a\u5e8f<\/a><\/li>\n<li><a href=\"https:\/\/www.gnu.org\/software\/libc\/manual\/html_node\/Name-Service-Switch.html\">29 System Databases and Name Service Switch<\/a><\/li>\n<li><a href=\"http:\/\/man7.org\/linux\/man-pages\/man5\/nsswitch.conf.5.html\">http:\/\/man7.org\/linux\/man-pages\/man5\/nsswitch.conf.5.html<\/a><\/li>\n<li><a href=\"https:\/\/serverfault.com\/questions\/76853\/nsswitch-conf-is-there-a-daemon-i-need-to-restart\">https:\/\/serverfault.com\/questions\/76853\/nsswitch-conf-is-there-a-daemon-i-need-to-restart<\/a><\/li>\n<li><a href=\"https:\/\/unix.stackexchange.com\/questions\/140378\/editing-nsswitch-conf-file-safely\">https:\/\/unix.stackexchange.com\/questions\/140378\/editing-nsswitch-conf-file-safely<\/a><\/li>\n<li><a href=\"https:\/\/access.redhat.com\/documentation\/en-us\/red_hat_enterprise_linux\/6\/html\/deployment_guide\/configuration_options-nss_configuration_options\">13.2.5. CONFIGURING SERVICES: NSS<\/a><\/li>\n<\/ul>\n<p>=END=<\/p>\n","protected":false},"excerpt":{"rendered":"<p>=Start= \u7f18\u7531\uff1a \u4e0d\u61c2\u5c31\u95ee\uff0c\u4e0d\u4f1a\u5c31\u67e5\u3002\u591a\u5c1d\u8bd5\uff0c\u591a\u4e86\u89e3\uff0c\u4ee5\u671f\u4e0d\u65ad\u63d0\u5347\u3002 \u6b63\u6587\uff1a \u53c2\u8003\u89e3\u7b54\uff1a # NSS \u662f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,11,25,12],"tags":[30,1196,1201],"class_list":["post-4061","post","type-post","status-publish","format-standard","hentry","category-knowledgebase-2","category-linux","category-security","category-tools","tag-linux","tag-nss","tag-nsswitch-conf"],"views":15536,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/4061","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/comments?post=4061"}],"version-history":[{"count":1,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/4061\/revisions"}],"predecessor-version":[{"id":4062,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/4061\/revisions\/4062"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=4061"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=4061"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=4061"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}