{"id":4240,"date":"2021-04-05T18:32:23","date_gmt":"2021-04-05T09:32:23","guid":{"rendered":"\/blog\/?p=4240"},"modified":"2026-09-09T17:07:12","modified_gmt":"2026-09-09T08:07:12","slug":"disable-ipv6-on-ubuntu","status":"publish","type":"post","link":"https:\/\/hasu0707.duckdns.org\/blog\/?p=4240","title":{"rendered":"Disable IPv6 on Linux"},"content":{"rendered":"\n<div class=\"wp-block-jetpack-markdown\"><h1>IPv6 \ud65c\uc131\ud654 \uc5ec\ubd80 \ud655\uc778 \ubc29\ubc95<\/h1>\n<pre><code class=\"language-bash\">ip addr show | grep inet6\n<\/code><\/pre>\n<hr>\n<h1>OS \ubcc4 IPv6 \ube44\ud65c\uc131\ud654 \ubc29\ubc95<\/h1>\n<h2>CentOS 7<\/h2>\n<pre><code class=\"language-bash\">vi \/etc\/default\/grub\n\nGRUB_CMDLINE_LINUX=&quot;rhgb quiet&quot;\n\ub97c \uc544\ub798\uc640 \uac19\uc774 \uc218\uc815\ud55c\ub2e4.\nGRUB_CMDLINE_LINUX=&quot;rhgb quiet ipv6.disable=1&quot;\n\ngrub2-mkconfig -o \/boot\/grub2\/grub.cfg\n<\/code><\/pre>\n<hr>\n<h2>Ubuntu 20.04.xx<\/h2>\n<pre><code class=\"language-bash\">vi \/etc\/default\/grub\n\nGRUB_CMDLINE_LINUX_DEFAULT=&quot;maybe-ubiquity&quot;\n\ub97c \uc544\ub798\uc640 \uac19\uc774 \uc218\uc815\ud55c\ub2e4.\nGRUB_CMDLINE_LINUX_DEFAULT=&quot;maybe-ubiquity ipv6.disable=1&quot;\n\nupdate-grub\n<\/code><\/pre>\n<hr>\n<h2>Armbian<\/h2>\n<pre><code class=\"language-bash\">vi \/boot\/armbianEnv.txt\n\uc544\ub798\ub97c \ucd94\uac00\nextraargs=ipv6.disable=1\n<\/code><\/pre>\n<\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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