{"id":671,"date":"2025-03-29T21:03:06","date_gmt":"2025-03-29T13:03:06","guid":{"rendered":"https:\/\/virtualcardx.com\/?p=671"},"modified":"2026-01-04T13:31:20","modified_gmt":"2026-01-04T05:31:20","slug":"linux-config-network","status":"publish","type":"post","link":"https:\/\/virtualcardx.com\/en\/2025\/03\/29\/linux-config-network\/","title":{"rendered":"How to configure network under linux"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Configuring Linux \/etc\/network\/interfaces<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Edit the \/etc\/network\/interfaces file<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># nano \/etc\/network\/interfaces<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">The default configuration file is as follows:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>source \/etc\/network\/interfaces.d\/*\n\n# The loopback network interface\niface lo inet loopback\niface lo inet loopback<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Check the NIC information first:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1: lo:  mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000\n\n2: enp0s3:  mtu 1500 qdisc fq_codel state UP group default qlen 1000\n\n3: enp0s8:  mtu 1500 qdisc fq_codel state UP group default qlen 1000<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Start Configuration<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Using DHCP autoconfiguration<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">If you want the interface to obtain an IP address automatically at startup, you can use the following configuration:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>auto enp0s3\niface enp0s3 inet dhcp<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">This will cause the enp0s3 interface to automatically use DHCP to configure network settings at boot time.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Static IP Configuration<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">For static IP configuration, you need to specify the IP address, subnet mask and gateway. Example:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>auto enp0s8\niface enp0s8 inet static\n    address 192.168.1.102\n    netmask 255.255.255.0\n    gateway 192.168.1.1\n    dns-nameservers 8.8.8.8 8.8.8.4.4<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>How to configure network under linux<\/p>","protected":false},"author":1,"featured_media":339,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-671","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology-share","resize-featured-image"],"_links":{"self":[{"href":"https:\/\/virtualcardx.com\/en\/wp-json\/wp\/v2\/posts\/671","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/virtualcardx.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/virtualcardx.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/virtualcardx.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/virtualcardx.com\/en\/wp-json\/wp\/v2\/comments?post=671"}],"version-history":[{"count":0,"href":"https:\/\/virtualcardx.com\/en\/wp-json\/wp\/v2\/posts\/671\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/virtualcardx.com\/en\/wp-json\/wp\/v2\/media\/339"}],"wp:attachment":[{"href":"https:\/\/virtualcardx.com\/en\/wp-json\/wp\/v2\/media?parent=671"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/virtualcardx.com\/en\/wp-json\/wp\/v2\/categories?post=671"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/virtualcardx.com\/en\/wp-json\/wp\/v2\/tags?post=671"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}