{"id":233,"date":"2026-01-30T23:48:58","date_gmt":"2026-01-30T14:48:58","guid":{"rendered":"http:\/\/word.igoni.kr\/?p=233"},"modified":"2026-02-02T22:34:00","modified_gmt":"2026-02-02T13:34:00","slug":"ntp%eb%a5%bc-ipv4%eb%a7%8c-%ec%82%ac%ec%9a%a9%ed%95%b4%ec%84%9c-%ec%8b%9c%ea%b0%84-%eb%8f%99%ea%b8%b0%ed%99%94-%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"http:\/\/www.igoni.kr\/?p=233","title":{"rendered":"ntp\ub97c ipv4\ub9cc \uc0ac\uc6a9\ud574\uc11c \uc2dc\uac04 \ub3d9\uae30\ud654 \ud558\uae30"},"content":{"rendered":"<p id=\"bkmrk-ntp%ED%81%B4%EB%9D%BC%EC%9D%B4%EC%96%B8%ED%8A%B8%EB%A5%BC-ipv4%EB%A7%8C-%EC%82%AC%EC%9A%A9%ED%95%98%EA%B3%A0\">ntp\ud074\ub77c\uc774\uc5b8\ud2b8\ub97c ipv4\ub9cc \uc0ac\uc6a9\ud558\uace0\uc790 \ud560 \ub54c<\/p>\n<pre><code class=\"language-shell\">$&gt; vi \/etc\/sysconfig\/ntpd\n# Drop root to id &#039;ntp:ntp&#039; by default.\n...\nOPTIONS=&quot;-u ntp:ntp -p \/var\/run\/ntpd.pid -g -4&quot;\n...\n\n<\/code><\/pre>\n<table style=\"border-collapse: collapse;width: 100%;height: 59.757px\" border=\"1\"><colgroup><col style=\"width: 99.881%\"><\/colgroup>\n<tbody>\n<tr style=\"height: 29.8785px\">\n<td style=\"height: 29.8785px\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-463\" src=\"http:\/\/word.igoni.kr\/wp-content\/uploads\/2026\/01\/b01e4d1a-d090-4090-9dbc-864c90b511c7.png\" alt=\"\" width=\"1024\" height=\"1024\" srcset=\"http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/01\/b01e4d1a-d090-4090-9dbc-864c90b511c7.png 1024w, http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/01\/b01e4d1a-d090-4090-9dbc-864c90b511c7-300x300.png 300w, http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/01\/b01e4d1a-d090-4090-9dbc-864c90b511c7-150x150.png 150w, http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/01\/b01e4d1a-d090-4090-9dbc-864c90b511c7-768x768.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/td>\n<\/tr>\n<tr style=\"height: 29.8785px\">\n<td class=\"align-right\" style=\"height: 29.8785px;text-align: right\">perplexity\uc5d0\uc11c \uc0dd\uc131\ud55c AI\uc774\ubbf8\uc9c0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<pre id=\"bkmrk-%24%3E-vi-%2Fetc%2Fsysconfig\"><code class=\"language-shell\"><\/code><\/pre>","protected":false},"excerpt":{"rendered":"<p>ntp\ud074\ub77c\uc774\uc5b8\ud2b8\ub97c ipv4\ub9cc \uc0ac\uc6a9\ud558\uace0\uc790 \ud560 \ub54c $&gt; vi \/etc\/sysconfig\/ntpd # Drop root to id &#039;ntp:ntp&#039; by default.&hellip;<\/p>","protected":false},"author":1,"featured_media":463,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[9,67,71],"class_list":["post-233","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux-","tag-centos","tag-linux","tag-ntp"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"ntp\ud074\ub77c\uc774\uc5b8\ud2b8\ub97c ipv4\ub9cc \uc0ac\uc6a9\ud558\uace0\uc790 \ud560 \ub54c $&gt; vi \/etc\/sysconfig\/ntpd # Drop root to id &#039;ntp:ntp&#039; by default. ... OPTIONS=&quot;-u ntp:ntp -p \/var\/run\/ntpd.pid -g -4&quot; ... perplexity\uc5d0\uc11c \uc0dd\uc131\ud55c AI\uc774\ubbf8\uc9c0\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"artop0420\"\/>\n\t<link rel=\"canonical\" href=\"http:\/\/www.igoni.kr\/?p=233\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.0.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"ko_KR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"\uc774\uace4\uc544\uc774 - \uc798\ub098\uac00\ub294 \uc804\uc0b0\uc7c1\uc774\uc758 \ube14\ub85c\uadf8\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"ntp\ub97c ipv4\ub9cc \uc0ac\uc6a9\ud574\uc11c \uc2dc\uac04 \ub3d9\uae30\ud654 \ud558\uae30 - \uc774\uace4\uc544\uc774\" \/>\n\t\t<meta property=\"og:description\" content=\"ntp\ud074\ub77c\uc774\uc5b8\ud2b8\ub97c ipv4\ub9cc \uc0ac\uc6a9\ud558\uace0\uc790 \ud560 \ub54c $&gt; vi \/etc\/sysconfig\/ntpd # Drop root to id &#039;ntp:ntp&#039; by default. ... OPTIONS=&quot;-u ntp:ntp -p \/var\/run\/ntpd.pid -g -4&quot; ... perplexity\uc5d0\uc11c \uc0dd\uc131\ud55c AI\uc774\ubbf8\uc9c0\" \/>\n\t\t<meta property=\"og:url\" content=\"http:\/\/www.igoni.kr\/?p=233\" \/>\n\t\t<meta property=\"og:image\" content=\"http:\/\/word.igoni.kr\/wp-content\/uploads\/2026\/01\/cropped-j3fi6eistvc5ixa6lvm3ra-1.jpg\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-01-30T14:48:58+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-02-02T13:34:00+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"ntp\ub97c ipv4\ub9cc \uc0ac\uc6a9\ud574\uc11c \uc2dc\uac04 \ub3d9\uae30\ud654 \ud558\uae30 - \uc774\uace4\uc544\uc774\" \/>\n\t\t<meta name=\"twitter:description\" content=\"ntp\ud074\ub77c\uc774\uc5b8\ud2b8\ub97c ipv4\ub9cc \uc0ac\uc6a9\ud558\uace0\uc790 \ud560 \ub54c $&gt; vi \/etc\/sysconfig\/ntpd # Drop root to id &#039;ntp:ntp&#039; by default. ... OPTIONS=&quot;-u ntp:ntp -p \/var\/run\/ntpd.pid -g -4&quot; ... perplexity\uc5d0\uc11c \uc0dd\uc131\ud55c AI\uc774\ubbf8\uc9c0\" \/>\n\t\t<meta name=\"twitter:image\" content=\"http:\/\/word.igoni.kr\/wp-content\/uploads\/2026\/01\/cropped-j3fi6eistvc5ixa6lvm3ra-1.jpg\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BlogPosting\",\"@id\":\"http:\\\/\\\/www.igoni.kr\\\/?p=233#blogposting\",\"name\":\"ntp\\ub97c ipv4\\ub9cc \\uc0ac\\uc6a9\\ud574\\uc11c \\uc2dc\\uac04 \\ub3d9\\uae30\\ud654 \\ud558\\uae30 - \\uc774\\uace4\\uc544\\uc774\",\"headline\":\"ntp\\ub97c ipv4\\ub9cc \\uc0ac\\uc6a9\\ud574\\uc11c \\uc2dc\\uac04 \\ub3d9\\uae30\\ud654 \\ud558\\uae30\",\"author\":{\"@id\":\"http:\\\/\\\/www.igoni.kr\\\/?author=1#author\"},\"publisher\":{\"@id\":\"http:\\\/\\\/www.igoni.kr\\\/#person\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"http:\\\/\\\/www.igoni.kr\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/b01e4d1a-d090-4090-9dbc-864c90b511c7.png\",\"width\":1024,\"height\":1024},\"datePublished\":\"2026-01-30T23:48:58+09:00\",\"dateModified\":\"2026-02-02T22:34:00+09:00\",\"inLanguage\":\"ko-KR\",\"mainEntityOfPage\":{\"@id\":\"http:\\\/\\\/www.igoni.kr\\\/?p=233#webpage\"},\"isPartOf\":{\"@id\":\"http:\\\/\\\/www.igoni.kr\\\/?p=233#webpage\"},\"articleSection\":\"Linux \\uacf5\\ud1b5, centos, linux, ntp\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\\\/\\\/www.igoni.kr\\\/?p=233#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"http:\\\/\\\/www.igoni.kr#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"http:\\\/\\\/www.igoni.kr\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"http:\\\/\\\/www.igoni.kr\\\/?cat=5#listItem\",\"name\":\"1. 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