{"id":16737,"date":"2025-02-02T09:08:53","date_gmt":"2025-02-02T05:38:53","guid":{"rendered":"https:\/\/www.itpiran.net\/blog\/?p=16737"},"modified":"2025-02-02T09:08:53","modified_gmt":"2025-02-02T05:38:53","slug":"disable-ipv6-ubuntu-linux","status":"publish","type":"post","link":"https:\/\/www.itpiran.net\/blog\/ja\/tutorials\/disable-ipv6-ubuntu-linux\/","title":{"rendered":"Ubuntu Linux\u3067IPv6\u3092\u7121\u52b9\u306b\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<h2 id=\"%d9%85%d9%82%d8%af%d9%85%d9%87\">\u5c0e\u5165<\/h2>\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u30d0\u30fc\u30b8\u30e7\u30f36\uff08IPv6\uff09\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\uff08IP\uff09\u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3059\u3002\u3053\u306e\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3092\u8b58\u5225\u304a\u3088\u3073\u4f4d\u7f6e\u7279\u5b9a\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u305f\u3081\u306e\u30b7\u30b9\u30c6\u30e0\u3092\u63d0\u4f9b\u3057\u307e\u3059\u30021998\u5e74\u306bIPv4\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4ee3\u66ff\u3068\u3057\u3066\u958b\u767a\u3055\u308c\u307e\u3057\u305f\u3002.<\/p>\n<p>IPv6\u306f\u3001\u30a2\u30c9\u30ec\u30b9\u4e0d\u8db3\u3092\u9632\u304e\u306a\u304c\u3089\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u3002IPv6\u3067\u306f\u3001\u5404\u30c7\u30d0\u30a4\u30b9\u306b\u30b0\u30ed\u30fc\u30d0\u30eb\u306b\u4e00\u610f\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u5272\u308a\u5f53\u3066\u3001128\u30d3\u30c3\u30c8\u3067\u4fdd\u5b58\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001IPv4\u3067\u306f32\u30d3\u30c3\u30c8\u3057\u304b\u4f7f\u7528\u3057\u307e\u305b\u3093\u3002.<\/p>\n<p>IPv4\u3092IPv6\u306b\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u304c\u76ee\u6a19\u3067\u3059\u304c\u3001\u307e\u3060\u9053\u306e\u308a\u306f\u9577\u3044\u3067\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u30b5\u30a4\u30c8\u306e\u3046\u3061\u3001\u30e6\u30fc\u30b6\u30fc\u306bIPv6\u63a5\u7d9a\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u306e\u306f30%\u672a\u6e80\u3067\u3059\uff08Google\u306e\u8ffd\u8de1\u306f\u3053\u3061\u3089\uff09\u3002\u307e\u305f\u3001IPv6\u306f\u4e00\u90e8\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>VPN\u306f\u30b0\u30ed\u30fc\u30d0\u30eb\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u3001IPv6\u306f\u30b0\u30ed\u30fc\u30d0\u30eb\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\uff08\u4e00\u610f\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\uff09\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3057\u3001IPv6\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u306a\u3044ISP\u3082\uff08\u4f9d\u7136\u3068\u3057\u3066\uff09\u5b58\u5728\u3059\u308b\u3068\u3044\u3046\u4e8b\u5b9f\u304b\u3089\u3001\u3053\u306e\u6a5f\u80fd\u306fVPN\u306e\u512a\u5148\u9806\u4f4d\u304c\u4f4e\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001VPN\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u6700\u3082\u91cd\u8981\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u306b\u6ce8\u529b\u3067\u304d\u307e\u3059\u3002.<\/p>\n<p>\u30b7\u30b9\u30c6\u30e0\u3067IPv6\u3092\u7121\u52b9\u306b\u3057\u305f\u3044\u3082\u3046\u4e00\u3064\u306e\u7406\u7531\u306f\u3001\u69d8\u3005\u306a\u8105\u5a01\u306b\u3055\u3089\u3055\u308c\u305f\u304f\u306a\u3044\u3068\u3044\u3046\u70b9\u3067\u3059\u3002IPv6\u81ea\u4f53\u306fIPv4\u3088\u308a\u3082\u5b89\u5168\u3067\u3059\u304c\u3001\u3053\u3053\u3067\u8a00\u53ca\u3057\u3066\u3044\u308b\u30ea\u30b9\u30af\u306f\u6027\u8cea\u304c\u7570\u306a\u308a\u307e\u3059\u3002IPv6\u3068\u305d\u306e\u6a5f\u80fd\u3092\u7a4d\u6975\u7684\u306b\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001IPv6\u3092\u6709\u52b9\u306b\u3059\u308b\u3068\u69d8\u3005\u306a\u653b\u6483\u306b\u5bfe\u3057\u3066\u8106\u5f31\u306b\u306a\u308a\u3001\u30cf\u30c3\u30ab\u30fc\u306b\u65b0\u305f\u306a\u653b\u6483\u624b\u6bb5\u3092\u4e0e\u3048\u3066\u3057\u307e\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n<p>\u3057\u304b\u3057\u3001\u57fa\u672c\u7684\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30eb\u30fc\u30eb\u3092\u8a2d\u5b9a\u3059\u308b\u3060\u3051\u3067\u306f\u5341\u5206\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002IPv6\u306e\u8a2d\u5b9a\u5909\u66f4\u306b\u306f\u3001IPv4\u3068\u540c\u69d8\u306b\u7d30\u5fc3\u306e\u6ce8\u610f\u3092\u6255\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u8a2d\u5b9a\u5909\u66f4\uff08\u304a\u3088\u3073\u7dad\u6301\uff09\u306f\u9762\u5012\u306a\u4f5c\u696d\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002IPv6\u306b\u306fIPv4\u3068\u306f\u7570\u306a\u308b\u554f\u984c\u304c\u3042\u308a\uff08\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u53e4\u3055\u3092\u8003\u3048\u308b\u3068\u3001\u554f\u984c\u306f\u6570\u591a\u304f\u3042\u308a\u307e\u3059\uff09\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u8907\u96d1\u3055\u304c\u3055\u3089\u306b\u5897\u3057\u307e\u3059\u3002.<\/p>\n<p>\u307e\u305f\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306f IPv6 \u3092\u7121\u52b9\u306b\u3059\u308b\u3068\u3001Ubuntu \u306e WiFi \u901f\u5ea6\u304c\u5411\u4e0a\u3059\u308b\u3053\u3068\u3082\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n<h2 id=\"%d8%ba%db%8c%d8%b1%d9%81%d8%b9%d8%a7%d9%84-%da%a9%d8%b1%d8%af%d9%86-ipv6-%d8%af%d8%b1-%d8%a7%d9%88%d8%a8%d9%88%d9%86%d8%aa%d9%88-%d9%81%d9%82%d8%b7-%d8%a8%d8%b1%d8%a7%db%8c-%da%a9%d8%a7%d8%b1%d8%a8\">Ubuntu \u3067 IPv6 \u3092\u7121\u52b9\u306b\u3059\u308b\uff08\u4e0a\u7d1a\u30e6\u30fc\u30b6\u30fc\u306e\u307f\uff09<\/h2>\n<p>\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001Ubuntu\u30de\u30b7\u30f3\u3067IPv6\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u7121\u52b9\u306b\u3059\u308b\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\u30bf\u30fc\u30df\u30ca\u30eb\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\uff1aCtrl+Alt+T\uff09\u3092\u958b\u3044\u3066\u3001\u65e9\u901f\u59cb\u3081\u307e\u3057\u3087\u3046\uff01<\/p>\n<p><span style=\"color: #ff0000;\">\u6ce8: \u30bf\u30fc\u30df\u30ca\u30eb\u306b\u5165\u529b\u3059\u308b\u307b\u3068\u3093\u3069\u306e\u30b3\u30de\u30f3\u30c9\u306b\u306f\u3001root (sudo) \u6a29\u9650\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"color: #ff0000;\">\u666e\u6bb5\u304b\u3089Linux\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u3092\u3054\u5229\u7528\u3067\u3001\u5b89\u5b9a\u3057\u305f\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3092\u3054\u5e0c\u671b\u306e\u5834\u5408\u306f\u3001\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306f\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306f\u3001\u4f55\u3092\u3059\u3079\u304d\u304b\u3001\u306a\u305c\u305d\u3046\u3059\u3079\u304d\u304b\u3092\u7406\u89e3\u3057\u3066\u3044\u308b\u4e0a\u7d1a\u30e6\u30fc\u30b6\u30fc\u5411\u3051\u3067\u3059\u3002.<\/span><\/span><\/p>\n<h2 id=\"1-ipv6-%d8%b1%d8%a7-%d8%a8%d8%a7-%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-sysctl-%d8%ba%db%8c%d8%b1%d9%81%d8%b9%d8%a7%d9%84-%da%a9%d9%86%db%8c%d8%af\">1. Sysctl\u3092\u4f7f\u7528\u3057\u3066IPv6\u3092\u7121\u52b9\u306b\u3059\u308b<\/h2>\n<p>\u307e\u305a\u3001\u30b7\u30b9\u30c6\u30e0\u3067IPv6\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002Ubuntu\u3067IP\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>ip a\r\n<\/code><\/pre>\n<\/div>\n<p>IPv6 \u30a2\u30c9\u30ec\u30b9\u304c\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u5834\u5408\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u307e\u3059 (\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30ab\u30fc\u30c9\u540d\u306f\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059)\u3002<\/p>\n<p><a href=\"https:\/\/cdn.itpiran.net\/2025\/02\/02084233\/1.webp\"><img  loading=\"lazy\"  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  width=\"800\"  height=\"517\"  class=\"aligncenter wp-image-16739 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 800px) 100vw, 800px\"  data-pk-src=\"https:\/\/cdn.itpiran.net\/2025\/02\/02084233\/1.webp\"  data-pk-srcset=\"https:\/\/cdn.itpiran.net\/2025\/02\/02084233\/1.webp 800w, https:\/\/cdn.itpiran.net\/2025\/02\/02084233\/1-300x194.webp 300w, https:\/\/cdn.itpiran.net\/2025\/02\/02084233\/1-768x496.webp 768w, https:\/\/cdn.itpiran.net\/2025\/02\/02084233\/1-110x71.webp 110w, https:\/\/cdn.itpiran.net\/2025\/02\/02084233\/1-200x129.webp 200w, https:\/\/cdn.itpiran.net\/2025\/02\/02084233\/1-380x246.webp 380w, https:\/\/cdn.itpiran.net\/2025\/02\/02084233\/1-255x165.webp 255w, https:\/\/cdn.itpiran.net\/2025\/02\/02084233\/1-550x355.webp 550w\" ><\/a><\/p>\n<p>Ubuntu\u3067\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u518d\u8d77\u52d5\u3059\u308b\u65b9\u6cd5\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u3001sysctl\u30b3\u30de\u30f3\u30c9\u3092\u3054\u89a7\u306b\u306a\u3063\u305f\u3053\u3068\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3053\u3053\u3067\u3082\u3053\u308c\u3092\u4f7f\u3044\u307e\u3059\u3002IPv6\u3092\u7121\u52b9\u306b\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e3\u3064\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3059\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>sudo sysctl -w net.ipv6.conf.all.disable_ipv6=1\r\nsudo sysctl -w net.ipv6.conf.default.disable_ipv6=1\r\nsudo sysctl -w net.ipv6.conf.lo.disable_ipv6=1<\/code><\/pre>\n<\/div>\n<p>\u4ee5\u4e0b\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u78ba\u8a8d\u3067\u304d\u307e\u3059:<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>ip a\r\n<\/code><\/pre>\n<\/div>\n<p>IPv6 \u30a8\u30f3\u30c8\u30ea\u306f\u8868\u793a\u3055\u308c\u306a\u3044\u306f\u305a\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/cdn.itpiran.net\/2025\/02\/02084421\/2.webp\"><img  loading=\"lazy\"  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  width=\"800\"  height=\"442\"  class=\"aligncenter wp-image-16740 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 800px) 100vw, 800px\"  data-pk-src=\"https:\/\/cdn.itpiran.net\/2025\/02\/02084421\/2.webp\"  data-pk-srcset=\"https:\/\/cdn.itpiran.net\/2025\/02\/02084421\/2.webp 800w, https:\/\/cdn.itpiran.net\/2025\/02\/02084421\/2-300x166.webp 300w, https:\/\/cdn.itpiran.net\/2025\/02\/02084421\/2-768x424.webp 768w, https:\/\/cdn.itpiran.net\/2025\/02\/02084421\/2-110x61.webp 110w, https:\/\/cdn.itpiran.net\/2025\/02\/02084421\/2-200x111.webp 200w, https:\/\/cdn.itpiran.net\/2025\/02\/02084421\/2-380x210.webp 380w, https:\/\/cdn.itpiran.net\/2025\/02\/02084421\/2-255x141.webp 255w, https:\/\/cdn.itpiran.net\/2025\/02\/02084421\/2-550x304.webp 550w\" ><\/a><\/p>\n<p>\u305f\u3060\u3057\u3001\u3053\u308c\u306f IPv6 \u3092\u4e00\u6642\u7684\u306b\u7121\u52b9\u306b\u3059\u308b\u3060\u3051\u3067\u3001\u6b21\u56de\u30b7\u30b9\u30c6\u30e0\u3092\u8d77\u52d5\u3059\u308b\u3068 IPv6 \u304c\u518d\u3073\u6709\u52b9\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n<p>\u3053\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6c38\u7d9a\u5316\u3059\u308b\u4e00\u3064\u306e\u65b9\u6cd5\u306f\u3001\/etc\/sysctl.conf \u3092\u7de8\u96c6\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u3053\u3067\u306f vim \u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u7de8\u96c6\u3057\u307e\u3059\u304c\u3001\u304a\u597d\u304d\u306a\u30a8\u30c7\u30a3\u30bf\u3092\u3054\u4f7f\u7528\u304f\u3060\u3055\u3044\u3002root \u6a29\u9650\uff08sudo \u3092\u4f7f\u7528\uff09\u304c\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/cdn.itpiran.net\/2025\/02\/02084611\/3.jpg\"><img  loading=\"lazy\"  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  width=\"800\"  height=\"554\"  class=\"aligncenter wp-image-16741 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 800px) 100vw, 800px\"  data-pk-src=\"https:\/\/cdn.itpiran.net\/2025\/02\/02084611\/3.jpg\"  data-pk-srcset=\"https:\/\/cdn.itpiran.net\/2025\/02\/02084611\/3.jpg 800w, https:\/\/cdn.itpiran.net\/2025\/02\/02084611\/3-300x208.jpg 300w, https:\/\/cdn.itpiran.net\/2025\/02\/02084611\/3-768x532.jpg 768w, https:\/\/cdn.itpiran.net\/2025\/02\/02084611\/3-110x76.jpg 110w, https:\/\/cdn.itpiran.net\/2025\/02\/02084611\/3-200x139.jpg 200w, https:\/\/cdn.itpiran.net\/2025\/02\/02084611\/3-380x263.jpg 380w, https:\/\/cdn.itpiran.net\/2025\/02\/02084611\/3-255x177.jpg 255w, https:\/\/cdn.itpiran.net\/2025\/02\/02084611\/3-550x381.jpg 550w\" ><\/a><\/p>\n<p>\u30d5\u30a1\u30a4\u30eb\u306b\u6b21\u306e\u884c\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>net.ipv6.conf.all.disable_ipv6=1\r\nnet.ipv6.conf.default.disable_ipv6=1\r\nnet.ipv6.conf.lo.disable_ipv6=1<\/code><\/pre>\n<\/div>\n<p>\u8a2d\u5b9a\u3092\u9069\u7528\u3059\u308b\u306b\u306f:<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>sudo sysctl -p\r\n<\/code><\/pre>\n<\/div>\n<p>\u518d\u8d77\u52d5\u5f8c\u3082 IPv6 \u304c\u6709\u52b9\u306a\u5834\u5408\u306f\u3001\/etc\/rc.local \u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059 (root \u6a29\u9650\u3067)\u3002.<\/p>\n<p><span style=\"color: #ff0000;\">\u26a0\ufe0f Ubuntu \u306e\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u304c\u7570\u306a\u308a\u307e\u3059\u3002.<\/span><\/p>\n<p><span style=\"color: #000000;\">Ubuntu 22.04 \u4ee5\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u5834\u5408\u306f\u3001\/etc\/rc.local \u30d5\u30a1\u30a4\u30eb\u3067\u3053\u308c\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/span><\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>#!\/bin\/bash\r\n# \/etc\/rc.local\r\n\/etc\/sysctl.d\r\n\/etc\/init.d\/procps restart\r\nexit 0<\/code><\/pre>\n<\/div>\n<p>Ubuntu 24.04 \u4ee5\u964d\u306e\u5834\u5408\u306f\u3001\u4ee3\u308f\u308a\u306b\u3053\u308c\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>#!\/bin\/bash\r\n# \/etc\/rc.local\r\n\/sbin\/sysctl -p\/etc\/sysctl.conf\r\n\/etc\/init.d\/procps restart\r\nexit 0<\/code><\/pre>\n<\/div>\n<p>\u6b21\u306b\u3001chmod \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u5b9f\u884c\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>sudo chmod 755 \/etc\/rc.local\r\n<\/code><\/pre>\n<\/div>\n<p>\u3053\u308c\u306f\u624b\u52d5\u3067 (\u8d77\u52d5\u6642\u306b) sysctl \u69cb\u6210\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u30ab\u30fc\u30cd\u30eb \u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8aad\u307f\u53d6\u308a\u307e\u3059\u3002.<\/p>\n<h2 id=\"2-ipv6-%d8%b1%d8%a7-%d8%a8%d8%a7-%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-grub-%d8%ba%db%8c%d8%b1%d9%81%d8%b9%d8%a7%d9%84-%da%a9%d9%86%db%8c%d8%af\">2. GRUB\u3092\u4f7f\u7528\u3057\u3066IPv6\u3092\u7121\u52b9\u306b\u3059\u308b<\/h2>\n<p>\u5225\u306e\u65b9\u6cd5\u3068\u3057\u3066\u3001GRUB \u304c\u8d77\u52d5\u6642\u306b\u30ab\u30fc\u30cd\u30eb\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\/etc\/default\/grub \u3092\u7de8\u96c6\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3082\u3001\u7ba1\u7406\u8005\u6a29\u9650\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/cdn.itpiran.net\/2025\/02\/02085028\/4.jpg\"><img  loading=\"lazy\"  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  width=\"800\"  height=\"565\"  class=\"aligncenter wp-image-16742 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 800px) 100vw, 800px\"  data-pk-src=\"https:\/\/cdn.itpiran.net\/2025\/02\/02085028\/4.jpg\"  data-pk-srcset=\"https:\/\/cdn.itpiran.net\/2025\/02\/02085028\/4.jpg 800w, https:\/\/cdn.itpiran.net\/2025\/02\/02085028\/4-300x212.jpg 300w, https:\/\/cdn.itpiran.net\/2025\/02\/02085028\/4-768x542.jpg 768w, https:\/\/cdn.itpiran.net\/2025\/02\/02085028\/4-110x78.jpg 110w, https:\/\/cdn.itpiran.net\/2025\/02\/02085028\/4-200x141.jpg 200w, https:\/\/cdn.itpiran.net\/2025\/02\/02085028\/4-380x268.jpg 380w, https:\/\/cdn.itpiran.net\/2025\/02\/02085028\/4-255x180.jpg 255w, https:\/\/cdn.itpiran.net\/2025\/02\/02085028\/4-550x388.jpg 550w\" ><\/a><\/p>\n<p>\u3053\u3053\u3067\u3001\u8d77\u52d5\u6642\u306b IPv6 \u3092\u7121\u52b9\u306b\u3059\u308b\u306b\u306f\u3001GRUB_CMDLINE_LINUX_DEFAULT \u3068 GRUB_CMDLINE_LINUX \u3092\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>GRUB_CMDLINE_LINUX_DEFAULT=\"quiet splash ipv6.disable=1\"\r\nGRUB_CMDLINE_LINUX=\"ipv6.disable=1\"<\/code><\/pre>\n<\/div>\n<p>\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3001update-grub \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>sudo update-grub\r\n<\/code><\/pre>\n<\/div>\n<p>\u3053\u308c\u3067\u3001\u8a2d\u5b9a\u306f\u518d\u8d77\u52d5\u5f8c\u3082\u7dad\u6301\u3055\u308c\u308b\u306f\u305a\u3067\u3059\u3002.<\/p>\n<h2 id=\"%d9%81%d8%b9%d8%a7%d9%84-%da%a9%d8%b1%d8%af%d9%86-%d9%85%d8%ac%d8%af%d8%af-ipv6-%d8%af%d8%b1-%d8%a7%d9%88%d8%a8%d9%88%d9%86%d8%aa%d9%88\">Ubuntu\u3067IPv6\u3092\u518d\u5ea6\u6709\u52b9\u306b\u3059\u308b<\/h2>\n<p>IPv6\u3092\u518d\u5ea6\u6709\u52b9\u306b\u3059\u308b\u306b\u306f\u3001\u5909\u66f4\u3092\u5143\u306b\u623b\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u518d\u8d77\u52d5\u307e\u3067IPv6\u3092\u6709\u52b9\u306b\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u3092\u5165\u529b\u3057\u307e\u3059\u3002<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>sudo sysctl -w net.ipv6.conf.all.disable_ipv6=0\r\nsudo sysctl -w net.ipv6.conf.default.disable_ipv6=0\r\nsudo sysctl -w net.ipv6.conf.lo.disable_ipv6=0<\/code><\/pre>\n<\/div>\n<p>\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u3001\/etc\/sysctl.conf \u3092\u5909\u66f4\u3057\u305f\u5834\u5408\u306f\u3001\u8ffd\u52a0\u3057\u305f\u884c\u3092\u524a\u9664\u3059\u308b\u304b\u3001\u6b21\u306e\u3088\u3046\u306b\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>net.ipv6.conf.all.disable_ipv6=0\r\nnet.ipv6.conf.default.disable_ipv6=0\r\nnet.ipv6.conf.lo.disable_ipv6=0<\/code><\/pre>\n<\/div>\n<p>\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3053\u308c\u3089\u306e\u5024\u3092\u518d\u30ed\u30fc\u30c9\u3067\u304d\u307e\u3059\u3002<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>sudo sysctl -p\r\n<\/code><\/pre>\n<\/div>\n<p>IPv6 \u30a2\u30c9\u30ec\u30b9\u304c\u518d\u5ea6\u8868\u793a\u3055\u308c\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/cdn.itpiran.net\/2025\/02\/02085413\/5.webp\"><img  loading=\"lazy\"  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  width=\"800\"  height=\"517\"  class=\"aligncenter wp-image-16743 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 800px) 100vw, 800px\"  data-pk-src=\"https:\/\/cdn.itpiran.net\/2025\/02\/02085413\/5.webp\"  data-pk-srcset=\"https:\/\/cdn.itpiran.net\/2025\/02\/02085413\/5.webp 800w, https:\/\/cdn.itpiran.net\/2025\/02\/02085413\/5-300x194.webp 300w, https:\/\/cdn.itpiran.net\/2025\/02\/02085413\/5-768x496.webp 768w, https:\/\/cdn.itpiran.net\/2025\/02\/02085413\/5-110x71.webp 110w, https:\/\/cdn.itpiran.net\/2025\/02\/02085413\/5-200x129.webp 200w, https:\/\/cdn.itpiran.net\/2025\/02\/02085413\/5-380x246.webp 380w, https:\/\/cdn.itpiran.net\/2025\/02\/02085413\/5-255x165.webp 255w, https:\/\/cdn.itpiran.net\/2025\/02\/02085413\/5-550x355.webp 550w\" ><\/a><\/p>\n<p>\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3001\/etc\/rc.local \u3092\u524a\u9664\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>sudo rm \/etc\/rc.local\r\n<\/code><\/pre>\n<\/div>\n<p>\/etc\/default\/grub \u306e\u30ab\u30fc\u30cd\u30eb \u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u5909\u66f4\u3057\u305f\u5834\u5408\u306f\u3001\u8ffd\u52a0\u3055\u308c\u305f\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u524a\u9664\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>GRUB_CMDLINE_LINUX_DEFAULT=\"quiet splash\"\r\nGRUB_CMDLINE_LINUX=\"\"<\/code><\/pre>\n<\/div>\n<p>\u4eca\u3059\u3050\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044:<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>sudo update-grub\r\n<\/code><\/pre>\n<\/div>\n<h2 id=\"%d9%86%d8%aa%db%8c%d8%ac%d9%87\">\u7d50\u679c<\/h2>\n<p>\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001Linux \u3067 IPv6 \u3092\u7121\u52b9\u306b\u3059\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u3001IPv6 \u3068\u306f\u4f55\u304b\u3001\u306a\u305c\u7121\u52b9\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u304b\u306b\u3064\u3044\u3066\u3082\u8aac\u660e\u3057\u307e\u3057\u305f\u3002.<\/p>","protected":false},"excerpt":{"rendered":"\u306f\u3058\u3081\u306b \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u30d0\u30fc\u30b8\u30e7\u30f36\uff08IPv6\uff09\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\uff08IP\uff09\u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3059\u3002\u3053\u306e\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u8b58\u5225\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u2026","protected":false},"author":1,"featured_media":16745,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"\u0646\u062d\u0648\u0647 \u063a\u06cc\u0631\u0641\u0639\u0627\u0644 \u06a9\u0631\u062f\u0646 IPv6 \u062f\u0631 \u0644\u06cc\u0646\u0648\u06a9\u0633 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