{"id":45306,"date":"2024-10-06T21:56:20","date_gmt":"2024-10-06T13:56:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/45306\/"},"modified":"2024-10-06T21:56:20","modified_gmt":"2024-10-06T13:56:20","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-centos-rhel-8-7-%e4%b8%8a%e4%bd%bf%e7%94%a8-dnsmasq-%e9%83%a8%e7%bd%b2-dns-dhcp-%e4%bc%ba%e6%9c%8d%e5%99%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/45306\/","title":{"rendered":"\u5982\u4f55\u5728 CentOS\/RHEL 8\/7 \u4e0a\u4f7f\u7528 dnsmasq \u90e8\u7f72 DNS\/DHCP \u4f3a\u670d\u5668"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8-centos-rhel-8-7-%e4%b8%8a%e4%bd%bf%e7%94%a8-dnsmasq-%e9%83%a8%e7%bd%b2-dns-dhcp-%e4%bc%ba%e6%9c%8d%e5%99%a8-JvpfddegLF\">\u5982\u4f55\u5728 CentOS\/RHEL 8\/7 \u4e0a\u4f7f\u7528 dnsmasq \u90e8\u7f72 DNS\/DHCP \u4f3a\u670d\u5668<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0cDNS\uff08\u57df\u540d\u7cfb\u7d71\uff09\u548cDHCP\uff08\u52d5\u614b\u4e3b\u6a5f\u914d\u7f6e\u5354\u8b70\uff09\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u7d44\u4ef6\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u6307\u5c0e\u60a8\u5982\u4f55\u5728 CentOS\/RHEL 8\/7 \u4e0a\u4f7f\u7528 dnsmasq \u90e8\u7f72\u4e00\u500b\u7c21\u55ae\u800c\u9ad8\u6548\u7684 DNS\/DHCP \u4f3a\u670d\u5668\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-dnsmasq%ef%bc%9f-JvpfddegLF\">\u4ec0\u9ebc\u662f dnsmasq\uff1f<\/h2>\n<p>dnsmasq \u662f\u4e00\u500b\u8f15\u91cf\u7d1a\u7684 DNS \u548c DHCP \u4f3a\u670d\u5668\uff0c\u9069\u5408\u5c0f\u578b\u7db2\u7d61\u4f7f\u7528\u3002\u5b83\u7684\u4e3b\u8981\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u63d0\u4f9b DNS \u89e3\u6790\u670d\u52d9\uff0c\u5c07\u57df\u540d\u8f49\u63db\u70ba IP \u5730\u5740\u3002<\/li>\n<li>\u63d0\u4f9b DHCP \u670d\u52d9\uff0c\u70ba\u7db2\u7d61\u4e2d\u7684\u8a2d\u5099\u5206\u914d IP \u5730\u5740\u3002<\/li>\n<li>\u652f\u6301 PXE \u5f15\u5c0e\uff0c\u65b9\u4fbf\u7db2\u7d61\u555f\u52d5\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%ae%89%e8%a3%9d-dnsmasq-JvpfddegLF\">\u5b89\u88dd dnsmasq<\/h2>\n<p>\u5728 CentOS\/RHEL \u7cfb\u7d71\u4e0a\u5b89\u88dd dnsmasq \u975e\u5e38\u7c21\u55ae\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u5b89\u88dd\uff1a<\/p>\n<pre><code>sudo dnf install dnsmasq<\/code><\/pre>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5 dnsmasq \u662f\u5426\u5df2\u6210\u529f\u5b89\u88dd\uff1a<\/p>\n<pre><code>dnsmasq --version<\/code><\/pre>\n<h2 id=\"%e9%85%8d%e7%bd%ae-dnsmasq-JvpfddegLF\">\u914d\u7f6e dnsmasq<\/h2>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u60a8\u9700\u8981\u914d\u7f6e dnsmasq\u3002\u914d\u7f6e\u6587\u4ef6\u901a\u5e38\u4f4d\u65bc \/etc\/dnsmasq.conf\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u6587\u672c\u7de8\u8f2f\u5668\u6253\u958b\u8a72\u6587\u4ef6\uff1a<\/p>\n<pre><code>sudo vi \/etc\/dnsmasq.conf<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u7684\u914d\u7f6e\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e9%85%8d%e7%bd%ae-dns-JvpfddegLF\">\u914d\u7f6e DNS<\/h3>\n<p>\u8981\u8a2d\u7f6e DNS \u670d\u52d9\uff0c\u60a8\u53ef\u4ee5\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre><code># \u8a2d\u7f6e\u4e0a\u6e38 DNS \u4f3a\u670d\u5668\nserver=8.8.8.8\nserver=8.8.4.4\n<\/code><\/pre>\n<h3 id=\"%e9%85%8d%e7%bd%ae-dhcp-JvpfddegLF\">\u914d\u7f6e DHCP<\/h3>\n<p>\u8981\u8a2d\u7f6e DHCP \u670d\u52d9\uff0c\u60a8\u9700\u8981\u6307\u5b9a IP \u5730\u5740\u7bc4\u570d\u548c\u5176\u4ed6\u9078\u9805\uff1a<\/p>\n<pre><code># \u8a2d\u7f6e DHCP \u7bc4\u570d\ndhcp-range=192.168.1.50,192.168.1.150,12h\n# \u8a2d\u7f6e DHCP \u9818\u57df\u540d\u7a31\ndomain-needed\nbogus-priv\n<\/code><\/pre>\n<p>\u9019\u88e1\u7684\u7bc4\u570d\u8868\u793a DHCP \u4f3a\u670d\u5668\u5c07\u5728 192.168.1.50 \u5230 192.168.1.150 \u4e4b\u9593\u5206\u914d IP \u5730\u5740\uff0c\u79df\u7d04\u6642\u9593\u70ba 12 \u5c0f\u6642\u3002<\/p>\n<h2 id=\"%e5%95%9f%e5%8b%95-dnsmasq-%e6%9c%8d%e5%8b%99-JvpfddegLF\">\u555f\u52d5 dnsmasq \u670d\u52d9<\/h2>\n<p>\u914d\u7f6e\u5b8c\u6210\u5f8c\uff0c\u60a8\u53ef\u4ee5\u555f\u52d5 dnsmasq \u670d\u52d9\u4e26\u8a2d\u7f6e\u5176\u5728\u7cfb\u7d71\u555f\u52d5\u6642\u81ea\u52d5\u555f\u52d5\uff1a<\/p>\n<pre><code>sudo systemctl start dnsmasq\nsudo systemctl enable dnsmasq<\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5 dnsmasq \u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>sudo systemctl status dnsmasq<\/code><\/pre>\n<h2 id=\"%e6%b8%ac%e8%a9%a6-dns-%e5%92%8c-dhcp-JvpfddegLF\">\u6e2c\u8a66 DNS \u548c DHCP<\/h2>\n<p>\u8981\u6e2c\u8a66 DNS \u529f\u80fd\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u8a62\u4e00\u500b\u57df\u540d\uff1a<\/p>\n<pre><code>nslookup example.com 192.168.1.1<\/code><\/pre>\n<p>\u8981\u6e2c\u8a66 DHCP \u529f\u80fd\uff0c\u60a8\u53ef\u4ee5\u5728\u7db2\u7d61\u4e2d\u7684\u4e00\u53f0\u8a2d\u5099\u4e0a\u91cd\u65b0\u555f\u52d5\u7db2\u7d61\u9023\u63a5\uff0c\u7136\u5f8c\u6aa2\u67e5\u8a72\u8a2d\u5099\u662f\u5426\u7372\u5f97\u4e86\u6b63\u78ba\u7684 IP \u5730\u5740\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e6%8e%92%e9%99%a4-JvpfddegLF\">\u6545\u969c\u6392\u9664<\/h2>\n<p>\u5982\u679c\u60a8\u9047\u5230\u554f\u984c\uff0c\u53ef\u4ee5\u67e5\u770b dnsmasq \u7684\u65e5\u8a8c\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\uff1a<\/p>\n<pre><code>sudo journalctl -u dnsmasq<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u78ba\u4fdd\u9632\u706b\u7246\u5141\u8a31 DNS \u548c DHCP \u6d41\u91cf\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u958b\u653e\u76f8\u61c9\u7684\u7aef\u53e3\uff1a<\/p>\n<pre><code>sudo firewall-cmd --add-service=dns --permanent\nsudo firewall-cmd --add-service=dhcp --permanent\nsudo firewall-cmd --reload<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-JvpfddegLF\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u60a8\u61c9\u8a72\u80fd\u5920\u5728 CentOS\/RHEL 8\/7 \u4e0a\u6210\u529f\u90e8\u7f72 dnsmasq \u4f5c\u70ba DNS\/DHCP \u4f3a\u670d\u5668\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7db2\u7d61\u7684\u7ba1\u7406\u6548\u7387\uff0c\u9084\u80fd\u70ba\u60a8\u7684\u8a2d\u5099\u63d0\u4f9b\u7a69\u5b9a\u7684\u7db2\u7d61\u9023\u63a5\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u9032\u4e00\u6b65\u63d0\u5347\u60a8\u7684\u670d\u52d9\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b66\u4e60\u5982\u4f55\u5728 CentOS\/RHEL 8\/7 \u4e0a\u4f7f\u7528 dnsmasq \u90e8\u7f72\u9ad8\u6548\u7684 DNS \u548c DHCP \u670d\u52a1\u5668\uff0c\u7b80\u5316\u7f51\u7edc\u7ba1\u7406\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-45306","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45306","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=45306"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45306\/revisions"}],"predecessor-version":[{"id":45307,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45306\/revisions\/45307"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=45306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=45306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=45306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}