{"id":415,"date":"2025-08-22T09:48:21","date_gmt":"2025-08-22T00:48:21","guid":{"rendered":"http:\/\/qmac.kr\/wordpress\/?p=415"},"modified":"2025-08-22T14:42:21","modified_gmt":"2025-08-22T05:42:21","slug":"ssh-key-%ec%a0%9c%ea%b1%b0%ed%9b%84-%ec%9e%ac%ec%a0%91%ec%86%8d","status":"publish","type":"post","link":"http:\/\/qmac.kr\/wordpress\/ssh-key-%ec%a0%9c%ea%b1%b0%ed%9b%84-%ec%9e%ac%ec%a0%91%ec%86%8d\/","title":{"rendered":"ssh-key \uc81c\uac70\ud6c4 \uc7ac\uc811\uc18d"},"content":{"rendered":"\n<p>\uc811\uc18d \uc548\ub41c \uc774\uc720 : \uc2dc\ub180\ub85c\uc9c0 \uc81c\uc5b4\ud310 &#8216;\ud130\ubbf8\ub110 \ubc0f SNMP&#8217; \uc124\uc815\uc5d0\uc11c \ud3ec\ud2b8\ubcc0\uacbd.<\/p>\n\n\n\n<p>SSH \uacbd\uace0 \uba54\uc2dc\uc9c0 \u201cREMOTE HOST IDENTIFICATION HAS CHANGED!\u201d \uc548\uc804\ud558\uac8c \ud574\uacb0\ud558\ub294 \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">1. \uba3c\uc800 \uc11c\ubc84 \ud638\uc2a4\ud2b8 \ud0a4 \ubcc0\uacbd\uc774 \uc815\ub2f9\ud55c\uc9c0 \ud655\uc778<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc11c\ubc84 \uad00\ub9ac\uc790\ub098 \ud638\uc2a4\ud305 \uc11c\ube44\uc2a4\uc5d0 \uc5f0\ub77d\ud574 \ud574\ub2f9 \uc11c\ubc84\uc758 SSH \ud638\uc2a4\ud2b8 \ud0a4\uac00 \uc2e4\uc81c\ub85c \ubcc0\uacbd\ub418\uc5c8\ub294\uc9c0 \ubc18\ub4dc\uc2dc \ud655\uc778\ud558\uc138\uc694.<\/li>\n\n\n\n<li>\uc815\ub2f9\ud55c \ubcc0\uacbd(\uc11c\ubc84 \uc7ac\uc124\uc815, \uad50\uccb4 \ub4f1)\uc774 \uc544\ub2c8\uba74 \uc2e4\uc81c \uacf5\uaca9(\uc911\uac04\uc790 \uacf5\uaca9)\uc77c \uac00\ub2a5\uc131\uc774 \uc788\uc73c\ubbc0\ub85c \uc8fc\uc758\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. \uae30\uc874\uc5d0 \uc800\uc7a5\ub41c \ud638\uc2a4\ud2b8 \ud0a4 \uc0ad\uc81c\ud558\uae30<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SSH\uac00 \uc800\uc7a5\ud574 \ub454 \uc774\uc804 \ud638\uc2a4\ud2b8 \ud0a4\uac00 \ubb38\uc81c\uc758 \uc6d0\uc778\uc774\ubbc0\ub85c, \uc774 \ud0a4\ub97c \uc0ad\uc81c\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud130\ubbf8\ub110\uc5d0\uc11c \ub2e4\uc74c \uba85\ub839\uc744 \uc2e4\ud589\ud558\uc138\uc694. \uc5ec\uae30\uc11c <code>qmac.kr<\/code> \ub294 \ubb38\uc81c\uc758 \ud638\uc2a4\ud2b8\uba85\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>ssh-keygen -R qmac.kr<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc774 \uba85\ub839\uc740 <code>~\/.ssh\/known_hosts<\/code> \ud30c\uc77c\uc5d0\uc11c \ud574\ub2f9 \ud638\uc2a4\ud2b8\uc758 \uc774\uc804 \ud638\uc2a4\ud2b8 \ud0a4 \uc815\ubcf4\ub97c \uc548\uc804\ud558\uac8c \uc0ad\uc81c\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. \ub2e4\uc2dc SSH \uc811\uc18d \uc2dc\ub3c4\ud574\uc11c \uc0c8\ub85c\uc6b4 \ud638\uc2a4\ud2b8 \ud0a4 \ub4f1\ub85d<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ub2e4\uc74c\uacfc \uac19\uc774 \ub2e4\uc2dc SSH \uc811\uc18d \uba85\ub839\uc744 \uc2e4\ud589\ud558\uc138\uc694:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>ssh fixian@qmac.kr<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc811\uc18d \uc2dc \u201cThe authenticity of host &#8216;qmac.kr&#8217; can&#8217;t be established\u2026\u201d \uc640 \ube44\uc2b7\ud55c \uba54\uc2dc\uc9c0\uac00 \ub739\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uba54\uc2dc\uc9c0\uac00 \ub098\uc624\uba74 <code>yes<\/code>\ub97c \uc785\ub825\ud574 \uc0c8 \ud638\uc2a4\ud2b8 \ud0a4\ub97c \uc2e0\ub8b0\ud558\uace0 <code>known_hosts<\/code> \ud30c\uc77c\uc5d0 \uc800\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. \ucd94\uac00 \ubcf4\uc548 \ud301<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc0c8\ub85c \ub4f1\ub85d\ub41c \ud638\uc2a4\ud2b8 \ud0a4\uc758 RSA \uc9c0\ubb38(SHA256 \ub4f1)\uc744 \uc11c\ubc84 \uad00\ub9ac\uc790\uc5d0\uac8c \ud655\uc778\ud574 \uc815\ud655\ud55c \ud0a4\uc778\uc9c0 \uac80\uc99d\ud558\uba74 \ub354 \uc548\uc804\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uacf5\uc6a9 Wi-Fi\ucc98\ub7fc \ubd88\uc548\uc804\ud55c \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c\ub294 \uc911\uac04\uc790 \uacf5\uaca9 \uc704\ud5d8\uc774 \uc788\uc73c\ubbc0\ub85c \uc8fc\uc758\ud558\uc138\uc694.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\uc774 \uacfc\uc815\uc744 \ub530\ub974\uba74 SSH \ud638\uc2a4\ud2b8 \ud0a4 \ubcc0\uacbd \uacbd\uace0\ub97c <strong>\uc548\uc804\ud558\uac8c \ud574\uacb0<\/strong>\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ud544\uc694 \uc2dc \uc54c\ub824\uc8fc\uc2dc\uba74 \ub2e8\uacc4\ubcc4 \uba85\ub839\uc5b4 \uc2e4\ud589 \ubc29\ubc95\ub3c4 \uc790\uc138\ud788 \uc548\ub0b4\ud574 \ub4dc\ub9ac\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ucd9c\ucc98<br>[1] [AWS] SSH \ud638\uc2a4\ud2b8 \ud0a4 \ubcc0\uacbd\uc73c\ub85c \uc778\ud55c \uacbd\uace0 &#8211; \uae30\ub85d\uc7a5 &#8211; \ud2f0\uc2a4\ud1a0\ub9ac https:\/\/sung-98.tistory.com\/157<br>[2] [SFTP] SFTP \uc5f0\uacb0 \uc2dc &#8220;\uc6d0\uaca9 \ud638\uc2a4\ud2b8 \uc2dd\ubcc4 \ubcc0\uacbd&#8221; \uacbd\uace0 \ud574\uacb0\ud558\uae30 https:\/\/louis-j.tistory.com\/entry\/SFTP-SFTP-%EC%97%B0%EA%B2%B0-%EC%8B%9C-%EC%9B%90%EA%B2%A9-%ED%98%B8%EC%8A%A4%ED%8A%B8-%EC%8B%9D%EB%B3%84-%EB%B3%80%EA%B2%BD-%EA%B2%BD%EA%B3%A0-%ED%95%B4%EA%B2%B0%ED%95%98%EA%B8%B0<br>[3] known_hosts \ud2b8\ub7ec\ube14 \uc288\ud305 &#8211; ghdwlsgur \uae30\uc220\ube14\ub85c\uadf8 https:\/\/ghdwlsgur.github.io\/docs\/Linux\/known_hosts<br>[4] SSH \ud638\uc2a4\ud2b8\ud0a4 \ubcc0\uacbd \uacbd\uace0 &amp; Private Key \uad8c\ud55c \uc624\ub958 \ud574\uacb0 \uac00\uc774\ub4dc https:\/\/dong-it-engineer.tistory.com\/110<br>[5] SSH \uc815\ub9ac &#8211; collie \uae30\uc220\ube14\ub85c\uadf8 &#8211; \ud2f0\uc2a4\ud1a0\ub9ac https:\/\/hsjs.tistory.com\/54<br>[6] SSH \uc811\uc18d \uc624\ub958 : REMOTE HOST IDENTIFICATION HAS \u2026 https:\/\/kingsong.tistory.com\/127<br>[7] SSH \uc5f0\uacb0 &#8211; \uc6d0\uaca9 \ud638\uc2a4\ud2b8 \uc2dd\ubcc4\uc774 \ubcc0\uacbd\ub418\uc5c8\ub300? \ud639\uc2dc \ub2e4\ub978 \uc0ac\ub78c \u2026 https:\/\/www.reddit.com\/r\/RemarkableTablet\/comments\/nw2obm\/connecting_to_ssh_remote_host_identification_has\/?tl=ko<br>[8] REMOTE HOST IDENTIFICATION HAS CHANGED!&#8221; ubuntu \u2026 https:\/\/seongduck.tistory.com\/110<br>[9] REMOTE HOST IDENTIFICATION HAS CHANGED &#8211; JooTC https:\/\/jootc.com\/p\/20170126153<br>[10] SSH \ud638\uc2a4\ud2b8 \ud0a4 \ud655\uc778 \uc624\ub958 \ud2b8\ub7ec\ube14\uc288\ud305 https:\/\/www.cisco.com\/c\/ko_kr\/support\/docs\/security-vpn\/secure-shell-ssh\/222108-troubleshoot-ssh-host-key-verification-f.html<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc811\uc18d \uc548\ub41c \uc774\uc720 : \uc2dc\ub180\ub85c\uc9c0 \uc81c\uc5b4\ud310 &#8216;\ud130\ubbf8\ub110 \ubc0f SNMP&#8217; \uc124\uc815\uc5d0\uc11c \ud3ec\ud2b8\ubcc0\uacbd. SSH \uacbd\uace0 \uba54\uc2dc\uc9c0 \u201cREMOTE HOST IDENTIFICATION HAS CHANGED!\u201d \uc548\uc804\ud558\uac8c \ud574\uacb0\ud558\ub294 \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. 1. \uba3c\uc800 \uc11c\ubc84 \ud638\uc2a4\ud2b8 \ud0a4 \ubcc0\uacbd\uc774 \uc815\ub2f9\ud55c\uc9c0 \ud655\uc778 2. \uae30\uc874\uc5d0 \uc800\uc7a5\ub41c \ud638\uc2a4\ud2b8 \ud0a4 \uc0ad\uc81c\ud558\uae30 3. \ub2e4\uc2dc SSH \uc811\uc18d \uc2dc\ub3c4\ud574\uc11c \uc0c8\ub85c\uc6b4 \ud638\uc2a4\ud2b8 \ud0a4 \ub4f1\ub85d 4. \ucd94\uac00 \ubcf4\uc548 \ud301 \uc774 \uacfc\uc815\uc744 \ub530\ub974\uba74 SSH [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,13],"tags":[],"class_list":["post-415","post","type-post","status-publish","format-standard","hentry","category-nas","category-wp"],"_links":{"self":[{"href":"http:\/\/qmac.kr\/wordpress\/wp-json\/wp\/v2\/posts\/415","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/qmac.kr\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/qmac.kr\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/qmac.kr\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/qmac.kr\/wordpress\/wp-json\/wp\/v2\/comments?post=415"}],"version-history":[{"count":2,"href":"http:\/\/qmac.kr\/wordpress\/wp-json\/wp\/v2\/posts\/415\/revisions"}],"predecessor-version":[{"id":428,"href":"http:\/\/qmac.kr\/wordpress\/wp-json\/wp\/v2\/posts\/415\/revisions\/428"}],"wp:attachment":[{"href":"http:\/\/qmac.kr\/wordpress\/wp-json\/wp\/v2\/media?parent=415"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/qmac.kr\/wordpress\/wp-json\/wp\/v2\/categories?post=415"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/qmac.kr\/wordpress\/wp-json\/wp\/v2\/tags?post=415"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}