{"id":549110,"date":"2021-12-31T00:03:09","date_gmt":"2021-12-30T16:03:09","guid":{"rendered":"http:\/\/4563.org\/?p=549110"},"modified":"2021-12-31T00:03:09","modified_gmt":"2021-12-30T16:03:09","slug":"%e9%97%ae%e4%b8%80%e4%b8%8b-etc-dhcp-dhclient-conf%e5%92%8c-etc-resolv-conf","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=549110","title":{"rendered":"\u95ee\u4e00\u4e0b\/etc\/dhcp\/dhclient.conf\u548c\/etc\/resolv.conf"},"content":{"rendered":"\n

\t\t\t\t\t\u5609\u7136\u4eca\u5929\u5403\u4ec0\u4e48<\/strong> \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n

\u95ee\u4e00\u4e0b\/etc\/dhcp\/dhclient.conf\u548c\/etc\/resolv.conf<\/h3>\n

\t\t\u8fd9\u4e24\u5904\u4fee\u6539dns\u6709\u4ec0\u4e48\u533a\u522b\u5462\uff1f\t\t\t\t<\/p>\n

\t\t\t\t\tjekyll<\/strong> \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n

<\/h3>\n

\t\t\u5b89\u88c5resolvconf<\/p>\n

apt install resolvconf -y
\u4fee\u6539\/etc\/resolvconf\/resolv.conf.d\/head\u6587\u4ef6<\/p>\n

nano \/etc\/resolvconf\/resolv.conf.d\/head
\u6dfb\u52a0nameserver<\/p>\n

nameserver 1.1.1.1
Ctrl+X\u9000\u51fa\u4fdd\u5b58\u540e\uff0c\u751f\u6548<\/p>\n

resolvconf -u\t\t\t\t<\/p>\n

\t\t\t\t\tJoannaEva<\/strong> \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n

<\/h3>\n

\t\t1\u5143\u548c10\u89d2\u6709\u4ec0\u4e48\u533a\u522b~:)\t\t\t\t<\/p>\n

\t\t\t\t\t\u5609\u7136\u4eca\u5929\u5403\u4ec0\u4e48<\/strong> \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n

<\/h3>\n

\t\tJoannaEva \u5927\u4f6c\u6709\u8bdd\u8bf4 : 2021-12-30 17:39
1\u5143\u548c10\u89d2\u6709\u4ec0\u4e48\u533a\u522b~<\/p>\n

\/etc\/resolv.conf\u91cc\u6709dns\u4f46\/etc\/dhcp\/dhclient.conf\u91cc\u6ca1\u6709\u3002\u6211\u6539\u7684\/etc\/resolv.conf\u91cc\u7684dns\uff0c\u4fdd\u5b58\u540e\u76f4\u63a5\u673a\u5b50\u8fde\u4e0d\u4e0a\u4e86\uff0c\u91cd\u542f\u540e\u4fee\u6539\u7684\u53c8\u90fd\u6d88\u5931\u4e86\t\t\t\t<\/p>\n

\t\t\t\t\ttoneal<\/strong> \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n

<\/h3>\n

\t\tCentOS 7\u6c38\u4e45\u4fee\u6539DNS
2021-07-25 \u5206\u7c7b\uff1a\u8fd0\u7ef4 \u9605\u8bfb(79)
\u5982\u679c\/etc\/resolv.conf\u6587\u4ef6\u7531NetworkManager\u751f\u6210\uff0c\u9009\u62e9\u65b9\u6cd51\u3002<\/p>\n

\u5982\u679c\/etc\/resolv.conf\u6587\u4ef6\u7531DHCP\u751f\u6210\uff0c\u9009\u62e9\u65b9\u6cd52\u3002<\/p>\n

\u6587\u7ae0\u76ee\u5f55\u9690\u85cf
\u65b9\u6cd51\uff1a\u4fee\u6539NetworkManager\u914d\u7f6e
\u65b9\u6cd52\uff1a\u4fee\u6539\u7f51\u5361\u914d\u7f6e
\u65b9\u6cd53\uff1a\u4f7f\u7528nmcli
\u65b9\u6cd51\uff1a\u4fee\u6539NetworkManager\u914d\u7f6e
\u4fee\u6539\/etc\/NetworkManager\/NetworkManager.conf\u6587\u4ef6\uff0c\u5728main\u90e8\u5206\u6dfb\u52a0dns=none\u9009\u9879\uff1a<\/p>\n

plugins=ifcfg-rh
dns=none # \u6ce8\u610f\u662f\u8fd9\u53e5
\u518d\u624b\u52a8\u4fee\u6539\/etc\/resolv.conf\u6587\u4ef6\uff0c\u6dfb\u52a0\u4e0b\u9762\u7684DNS\uff1a<\/p>\n

nameserver 1.1.1.1
nameserver 8.8.8.8
\u6700\u540e\u91cd\u542f\u7f51\u5361\uff1a<\/p>\n

systemctl restart network
\u65b9\u6cd52\uff1a\u4fee\u6539\u7f51\u5361\u914d\u7f6e
\u5217\u51fa\u6240\u6709\u7684\u7f51\u5361\uff1a<\/p>\n

cd \/etc\/sysconfig\/network-scripts\/
ls -al
# \u4e00\u822c\u7b2c\u4e00\u4e2a\u5c31\u662f\u6b63\u5728\u4f7f\u7528\u7684\u7f51\u5361
\u4fee\u6539\u7f51\u5361\u914d\u7f6e\uff0c\u5728\u6700\u540e\u6dfb\u52a0PEERDNS=no\u9009\u9879\uff1a<\/p>\n

vim ifcfg-eth0
\u518d\u624b\u52a8\u4fee\u6539\/etc\/resolv.conf\u6587\u4ef6\uff0c\u6dfb\u52a0\u4e0b\u9762\u7684DNS\uff1a<\/p>\n

nameserver 1.1.1.1
nameserver 8.8.8.8
\u91cd\u542f\u7f51\u5361\uff1a<\/p>\n

systemctl restart network
\u65b9\u6cd53\uff1a\u4f7f\u7528nmcli
\u67e5\u770b\u5f53\u524d\u542f\u52a8\u7684\u8fde\u63a5\uff1a<\/p>\n

nmcli connection show
\u540d\u79f0             UUID                                  \u7c7b\u578b            \u8bbe\u5907
System eth0      5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03802-3-etherneteth0
\u6ce8\u610f\u770b\u6211\u8fd9\u91cc\u7684\u7f51\u5361\u540d\u79f0\u6bd4\u8f83\u7279\u6b8a\uff0c\u662f\u6709\u7a7a\u683c\u7684\u3002\u4e00\u822c\u662f\u76f4\u63a5\u8f93\u5165\u540d\u79f0\u4fee\u6539\u5c31\u884c\u4e86\uff0c\u4f46\u662f\u7531\u4e8e\u6211\u7684\u7f51\u5361\u540d\u79f0\u6709\u7a7a\u683c\uff0c\u901a\u8fc7\u540d\u79f0\u4fee\u6539\u7684\u65b9\u5f0f\u4e0d\u884c\uff0c\u9700\u8981\u4f7f\u7528UUID\u7684\u65b9\u5f0f\u4fee\u6539\u3002\u8fd9\u70b9\u4e00\u5b9a\u8981\u6ce8\u610f\u3002<\/p>\n

\u4e0b\u9762\u6211\u5199\u4e86\u4e24\u79cd\u4fee\u6539\u7684\u65b9\u5f0f\uff0c\u4efb\u9009\u4e00\u79cd\uff1a<\/p>\n

# \u901a\u8fc7\u540d\u79f0\u4fee\u6539
nmcli connection modify eno0 ipv4.dns "1.1.1.1 8.8.8.8"
# \u901a\u8fc7 UUID \u4fee\u6539
nmcli connection modify 5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03 ipv4.dns "1.1.1.1 8.8.8.8"
\u4fee\u6539\u540e\u518d\u6267\u884c\u4ee5\u4e0b\u6307\u4ee4\u4f7fDNS\u8bbe\u5b9a\u7acb\u5373\u751f\u6548\uff1a<\/p>\n

# \u901a\u8fc7\u540d\u79f0\u91cd\u542f\uff0c\u4efb\u9009\u4e00\u79cd
nmcli connection up eno0
# \u901a\u8fc7 UUID \u91cd\u542f
nmcli connection up 5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03\t\t\t <\/p>\n","protected":false},"excerpt":{"rendered":"

\u5609\u7136\u4eca\u5929\u5403\u4ec0\u4e48 \u5927\u4f6c\u6709\u8bdd\u8bf4 : \u95ee…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/549110"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=549110"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/549110\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=549110"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=549110"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=549110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}