{"id":2658,"date":"2020-12-01T10:04:00","date_gmt":"2020-12-01T01:04:00","guid":{"rendered":"http:\/\/43.203.250.216\/?p=2658"},"modified":"2025-10-01T16:26:11","modified_gmt":"2025-10-01T07:26:11","slug":"lightsail-ubuntu-20-04-%ec%97%85%ea%b7%b8%eb%a0%88%ec%9d%b4%eb%93%9c-%ed%9b%84-ssh-%ec%a0%91%ec%86%8d-%eb%b6%88%ea%b0%80-%ed%98%84%ec%83%81","status":"publish","type":"post","link":"https:\/\/litcoder.com\/?p=2658","title":{"rendered":"Lightsail Ubuntu 20.04 \uc5c5\uadf8\ub808\uc774\ub4dc \ud6c4 ssh \uc811\uc18d \ubd88\uac00 \ud604\uc0c1"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Lightsail\uc758 \uc774\ubbf8\uc9c0\ub97c Ubuntu 20.04 LTS\ub85c  \uc5c5\uadf8\ub808\uc774\ub4dc \ud55c \ud6c4 web \ud658\uacbd\uc5d0\uc11c SSH \uc811\uc18d\uc774 \ub418\uc9c0 \uc54a\uc544\uc11c \ub610 \ub9dd\ud588\ub2e4\uba70 \uba38\ub9ac\ub97c \uc950\uc5b4 \ub72f\uace0 \uc788\ub294\ub370, \uc6b0\uc5f0\ud788, \ub2f9\uc5f0\ud788 \uc548 \ub420 \uac70\ub77c\uace0 \uc0dd\uac01\ud588\ub358 \ud130\ubbf8\ub110 \ud504\ub85c\uadf8\ub7a8\uc744 \ud1b5\ud55c SSH \uc811\uc18d\uc740 \ub610 \ub418\ub294 \uae30\ud604\uc0c1\uc744 \ubc1c\uacac\ud588\ub2e4. \uc774 \ub300\ub85c\ub3c4 \ub098\uc058\uc9c4 \uc54a\uc9c0\ub9cc \uc880 \ucc1c\ucc1c \ud558\uae30\ub3c4 \ud558\uace0 \ud574\uc11c \uc880 \ub354 \ucc3e\uc544 \ubcf4\uc558\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"758\" height=\"426\" src=\"https:\/\/litcoder.com\/wp-content\/uploads\/2024\/05\/sc_lightsail_ssh_failure.png\" alt=\"\" class=\"wp-image-3426\" srcset=\"https:\/\/litcoder.com\/wp-content\/uploads\/2024\/05\/sc_lightsail_ssh_failure.png 758w, https:\/\/litcoder.com\/wp-content\/uploads\/2024\/05\/sc_lightsail_ssh_failure-300x169.png 300w, https:\/\/litcoder.com\/wp-content\/uploads\/2024\/05\/sc_lightsail_ssh_failure-624x351.png 624w\" sizes=\"auto, (max-width: 758px) 100vw, 758px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc811\uc18d \uc624\ub958\uac00 \ubc1c\uc0dd\ud560 \ub54c\uc758 \ub85c\uadf8\ub97c \ubcf4\uba74 \ub2e4\uc74c\uacfc \uac19\uc740\ub370,<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"raw\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">$ cat \/var\/log\/auth.log|tail\n...\nsshd[4528]: userauth_pubkey: certificate signature algorithm ssh-rsa: signature algorithm not supported [preauth]\n...<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ubb38\uc81c\uc758 \ud574\uacb0\ucc45\uc5d0 \ub300\ud574 \uc544\uc8fc \uc790\uc138\ud788 \uc124\uba85\ub41c <a href=\"https:\/\/ibug.io\/blog\/2020\/04\/ssh-8.2-rsa-ca\/\">Use RSA CA Certificates with OpenSSH 8.2<\/a>\uc5d0 \ub530\ub974\uba74, (Ubuntu 20.04\uc5d0 \ud3ec\ud568\ub41c) OpenSSH 8.2 \ubd80\ud130\ub294 \ubcf4\uc548 \ubb38\uc81c\ub85c SHA-1 \uae30\ubc18\uc778 ssh-rsa\uac00 \uae30\ubcf8 CA signature \ud56d\ubaa9\uc5d0\uc11c \ube60\uc9c0\uba74\uc11c \uc774\ub7ec\ud55c \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud558\uac8c \ub41c\ub2e4\uace0 \ud55c\ub2e4. \ud574\uacb0 \ubc29\ubc95\uc740 CASignatureAlgorithms\uc5d0 ssh-rsa\ub97c \uc9c0\uc6d0\ud558\ub3c4\ub85d \uba85\uc2dc\ud558\ub294 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"raw\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">$ cat \/etc\/ssh\/sshd_config|tail\n...\n# Use RSA CA cert.\n# https:\/\/ibug.io\/blog\/2020\/04\/ssh-8.2-rsa-ca\/\nCASignatureAlgorithms ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc704\uc758 \ub9c1\ud06c\uc5d0\uc11c \uc81c\uc548\ud558\ub294 \ub300\ub85c sshd_config \ud30c\uc77c\uc5d0 CASignatureAlgorithms \ud56d\ubaa9\uc744 \uc704\uc640 \uac19\uc774 \ucd94\uac00 \ud558\uace0 sshd service\ub97c \uc7ac \uc2e4\ud589 \ud558\uace0\ub098\ub2c8, web \ud658\uacbd SSH\uac00 \uc798 \ub3d9\uc791\ud558\uac8c \ub418\uc5c8\ub2e4. \ubb3c\ub860, \ud130\ubbf8\ub110\ub3c4 \uadf8\ub300\ub85c \uc798 \ub41c\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"686\" height=\"483\" src=\"https:\/\/litcoder.com\/wp-content\/uploads\/2024\/05\/sc_lightsail_ssh_ok.png\" alt=\"\" class=\"wp-image-3427\" srcset=\"https:\/\/litcoder.com\/wp-content\/uploads\/2024\/05\/sc_lightsail_ssh_ok.png 686w, https:\/\/litcoder.com\/wp-content\/uploads\/2024\/05\/sc_lightsail_ssh_ok-300x211.png 300w, https:\/\/litcoder.com\/wp-content\/uploads\/2024\/05\/sc_lightsail_ssh_ok-624x439.png 624w\" sizes=\"auto, (max-width: 686px) 100vw, 686px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Lightsail\uc758 \uc774\ubbf8\uc9c0\ub97c Ubuntu 20.04 LTS\ub85c \uc5c5\uadf8\ub808\uc774\ub4dc \ud55c \ud6c4 web \ud658\uacbd\uc5d0\uc11c SSH \uc811\uc18d\uc774 \ub418\uc9c0 \uc54a\uc544\uc11c \ub610 \ub9dd\ud588\ub2e4\uba70 \uba38\ub9ac\ub97c \uc950\uc5b4 \ub72f\uace0 \uc788\ub294\ub370, \uc6b0\uc5f0\ud788, \ub2f9\uc5f0\ud788 \uc548 \ub420 \uac70\ub77c\uace0 \uc0dd\uac01\ud588\ub358 \ud130\ubbf8\ub110 \ud504\ub85c\uadf8\ub7a8\uc744 \ud1b5\ud55c SSH \uc811\uc18d\uc740 \ub610 \ub418\ub294 \uae30\ud604\uc0c1\uc744 \ubc1c\uacac\ud588\ub2e4. \uc774 \ub300\ub85c\ub3c4 \ub098\uc058\uc9c4 \uc54a\uc9c0\ub9cc \uc880 \ucc1c\ucc1c \ud558\uae30\ub3c4 \ud558\uace0 \ud574\uc11c \uc880 \ub354 \ucc3e\uc544 \ubcf4\uc558\ub2e4. \uc811\uc18d \uc624\ub958\uac00 \ubc1c\uc0dd\ud560 \ub54c\uc758 \ub85c\uadf8\ub97c \ubcf4\uba74 \ub2e4\uc74c\uacfc [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[4,5],"tags":[17,190,258,117,259,257],"class_list":["post-2658","post","type-post","status-publish","format-standard","hentry","category-linux","category-programming","tag-aws","tag-lightsail","tag-openssh","tag-ssh","tag-ssh-rsa","tag-sshd"],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":2575,"url":"https:\/\/litcoder.com\/?p=2575","url_meta":{"origin":2658,"position":0},"title":"Lightshail Ubuntu \ubc30\ud3ec\ud310 \uc5c5\uadf8\ub808\uc774\ub4dc \ud6c4 ssh \uc811\uc18d\uc774 \uc548\ub41c\ub2e4.","author":"litcoder","date":"2020\ub144 10\uc6d4 15\uc77c","format":false,"excerpt":"\ub9dd\ud588\ub2e4! Litghtsail\uc758 Ubuntu \ubc30\ud3ec\ud310\uc774 \ub108\ubb34 \uc624\ub798\uc804 \uac83\uc774\ub77c \ucf58\uc194\uc5d0 \uc811\uadfc\ud574\uc11c \uc870\uc2ec\uc2a4\ub7fd\uac8c screen session\ub3c4 \uc0c8\ub85c \ub9cc\ub4e4\uc5b4 \uac00\uba74\uc11c \uc5c5\uadf8\ub808\uc774\ub4dc\ub97c \ud588\ub294\ub370 \ub05d\ub098\uace0 \ub098\ub2c8 SSH\uac00 \uc548\ub41c\ub2e4. \uc544\ub9c8\ub3c4 \uc911\uac04\uc5d0 SSH\uad00\ub828 \ud658\uacbd\uc124\uc815\uc744 \ud30c\uc77c\uc744 \ubcc0\uacbd\ud560 \uac83\uc778\uc9c0 \ubb3b\ub294 \uc120\ud0dd\uba54\ub274\uac00 \ub098\uc654\ub294\ub370, \ud604\uc7ac \uc124\uc815\uc744 \uadf8\ub0e5 \uc4f0\uaca0\ub2e4\uace0 \ud588\ub358\uac8c \ubb38\uc81c\uc778\uac83 \uac19\ub2e4. \ub2e4\ud589\ud788 blogging service\ub294 \uc798\ub3cc\uc544 \uac00\uace0 \uc788\uc9c0\ub9cc SSH\uac00 \uc548\ub418\uba74 \uc11c\ubc84\uad00\ub9ac\ub97c \ud560 \ubc29\ubc95\uc774 \uc5c6\ub294\ub370...\u2026","rel":"","context":"&quot;Linux&quot;\uc5d0\uc11c","block_context":{"text":"Linux","link":"https:\/\/litcoder.com\/?cat=4"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/litcoder.com\/wp-content\/uploads\/2024\/05\/sc_wp_instance_from_snapshot-1.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/litcoder.com\/wp-content\/uploads\/2024\/05\/sc_wp_instance_from_snapshot-1.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/litcoder.com\/wp-content\/uploads\/2024\/05\/sc_wp_instance_from_snapshot-1.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/litcoder.com\/wp-content\/uploads\/2024\/05\/sc_wp_instance_from_snapshot-1.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":4189,"url":"https:\/\/litcoder.com\/?p=4189","url_meta":{"origin":2658,"position":1},"title":"Lightsail \uc11c\ubc84\uac00 \uc790\uafb8 \uc8fd\uc5b4\uc694","author":"litcoder","date":"2026\ub144 3\uc6d4 18\uc77c","format":false,"excerpt":"Jetpack\uc774 \uc694\uc998\ucc98\ub7fc \ub9ce\uc774 \ub9d0\uc744 \uac74 \uc801\uc774 \uc788\uc5c8\ub358\uac00? \ucd5c\uadfc\uc5d0 Bitnami\uc5d0\uc11c Amazon Linux 2023\uc73c\ub85c \uc774\uc0ac\ud558\uba74\uc11c Lightsail instance\ub97c \ud55c \ub2e8\uacc4 \ube44\uc2fc \uac83\uc73c\ub85c \uc62c\ub9ac\uace0 \ub098\uc11c\ubd80\ud130 \uc6f9\uc0ac\uc774\ud2b8\uac00 \ub2e4\uc6b4\ub418\uc5c8\ub2e4\ub294 Jetpack\uc758 \ub178\ud2f0\uac00 \uacc4\uc18d \ub72c\ub2e4. \ub354 \ube44\uc2f8\uba74 \ub354 \uc798\ub3cc\uc544\uc57c \ub418\ub294 \uac83 \uc544\ub2cc\uac00? \uc774\ub7f0 \ub178\ud2f0\ub97c \ubc1b\uace0\ub098\uc11c \ud655\uc778\ud574 \ubcf4\uba74 \ube14\ub85c\uadf8\uac00 \uc811\uc18d\ub418\uc9c0 \uc54a\uc744 \ubfd0\ub9cc \uc544\ub2c8\ub77c SSH \uc870\ucc28\ub3c4 \ub728\uc9c0 \uc54a\ub294 \uc0c1\ud0dc\uac00 \ub418\uc5b4\u2026","rel":"","context":"&quot;Linux&quot;\uc5d0\uc11c","block_context":{"text":"Linux","link":"https:\/\/litcoder.com\/?cat=4"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/litcoder.com\/wp-content\/uploads\/2026\/02\/xmlrpc_attac_log.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/litcoder.com\/wp-content\/uploads\/2026\/02\/xmlrpc_attac_log.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/litcoder.com\/wp-content\/uploads\/2026\/02\/xmlrpc_attac_log.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/litcoder.com\/wp-content\/uploads\/2026\/02\/xmlrpc_attac_log.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":3779,"url":"https:\/\/litcoder.com\/?p=3779","url_meta":{"origin":2658,"position":2},"title":"\uc678\ubd80\uc5d0\uc11c private\ub9dd\uc5d0 \ubb3c\ub9b0 host\ub85c \uc811\uc18d\ud558\uae30 &#8211; SSH Jump Host","author":"litcoder","date":"2025\ub144 11\uc6d4 4\uc77c","format":false,"excerpt":"\uc0ac\ubb34\uc2e4\uc5d0 \uc788\ub294 \ub0b4 workstation\uc5d0\ub294 \ub450\uac1c\uc758 LAN\uc774 \uc5f0\uacb0\ub418\uc5b4 \uc788\uace0 \uac01\uac01 public network\uc640 private network\uc5d0 \uc5f0\uacb0\ub418\uc5b4\uc788\ub2e4. \uc678\ubd80\uc5d0\uc11c private network\uc5d0 \uc5f0\uacb0\ub418\uc5b4 \uc788\ub294 target host\uc5d0 SSH\ub85c \uc5f0\uacb0 \ud560 \ub54c\ub294 \uba3c\uc800 workstation\uc5d0 ssh\ub85c \uc5f0\uacb0\ud558\uace0, \uc5ec\uae30\uc5d0\uc11c private\ub9dd\uc5d0 \ubb3c\ub824\uc788\ub294 target host\ub85c \ub610 \ub2e4\uc2dc ssh\ub97c \uc5f0\uacb0\ud574\uc57c \ud55c\ub2e4. \ud558\uc9c0\ub9cc ssh\uc758 -J option\uc744 \uc774\uc6a9\ud558\uba74 workstation\uc744 jump host\ub85c \uc774\uc6a9\ud574\uc11c \uc774\ub7f0 \uadc0\ucc2e\uc740\u2026","rel":"","context":"&quot;Linux&quot;\uc5d0\uc11c","block_context":{"text":"Linux","link":"https:\/\/litcoder.com\/?cat=4"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/litcoder.com\/wp-content\/uploads\/2025\/11\/ssh_dual_network-1.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/litcoder.com\/wp-content\/uploads\/2025\/11\/ssh_dual_network-1.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/litcoder.com\/wp-content\/uploads\/2025\/11\/ssh_dual_network-1.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/litcoder.com\/wp-content\/uploads\/2025\/11\/ssh_dual_network-1.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":4409,"url":"https:\/\/litcoder.com\/?p=4409","url_meta":{"origin":2658,"position":3},"title":"[Tip] \ud3ec\ud2b8 \ud3ec\uc6cc\ub529 \uc124\uc815 \uc0c1\ud0dc\uc5d0\uc11c VNC SSH Tunneling","author":"litcoder","date":"2026\ub144 5\uc6d4 20\uc77c","format":false,"excerpt":"VNC SSH Tunneling\uc5d0 \ub300\ud574 \ub2e4\ub8ec \uc801\uc774 \uc788\uc5c8\ub294\ub370, macOS\uc5d0\uc11c \uae30\ubcf8 \uc81c\uacf5\ub418\ub294 Screen Sharing \uac19\uc740 app\uc73c\ub85c \uc811\uc18d\ud558\ub824\uba74 SSH \ud130\ub110\ub9c1\uc744 \uc124\uc815\ud558\ub294 GUI\uac00 \uc5c6\uc73c\ubbc0\ub85c \ud574\ub2f9 \ud3ec\uc2a4\ud305\uc758 \"SSH Tunneling \uc124\uc815\uc774 \uc5c6\ub294 \uacbd\uc6b0\" \ud56d\ubaa9\uc758 \uc548\ub0b4\uc5d0 \ub530\ub77c \ub2e4\uc74c\uacfc \uac19\uc740 \uba85\ub839\uc5b4\ub97c \ud130\ubbf8\ub110\uc5d0 \uc785\ub825\ud558\uace0 localhost\uc758 5999\ubc88 \ud3ec\ud2b8\ub85c \uc5f0\uacb0\uc744 \uc2dc\ub3c4\ud558\uba74 \ub41c\ub2e4\uace0 \ud588\uc5c8\ub2e4. # SSH \ud130\ub110\ub9c1. # 22\ubc88 SSH \ud3ec\ud2b8\ub97c \ud1b5\ud574\u2026","rel":"","context":"&quot;Linux&quot;\uc5d0\uc11c","block_context":{"text":"Linux","link":"https:\/\/litcoder.com\/?cat=4"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/litcoder.com\/wp-content\/uploads\/2026\/05\/macos_screen_sharing_vnc_settings.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":3967,"url":"https:\/\/litcoder.com\/?p=3967","url_meta":{"origin":2658,"position":4},"title":"Shell drop\uc774 \ub418\uc9c0 \uc54a\uc744 \ub54c \uc6d0\uaca9\uc11c\ubc84 \uc7ac\uc2dc\ub3d9","author":"litcoder","date":"2025\ub144 12\uc6d4 10\uc77c","format":false,"excerpt":"\uc6d0\uaca9 \uc11c\ubc84\uc758 \uc2dc\uc2a4\ud15c \ub178\ub4dc\uac00 \ub9dd\uac00\uc84c\uac70\ub098 \uacfc\ub3c4\ud55c task \uc2e4\ud589\uc73c\ub85c ssh\ub85c \uc811\uadfc\ud560 \ub54c \uc81c\ub300\ub85c shell\uc744 drop\ud558\uc9c0 \ubabb\ud558\ub294 \uacbd\uc6b0\uac00 \uc885\uc885 \uc0dd\uae34\ub2e4. ssh\ub294 \uc6d0\uaca9 \uc11c\ubc84\uc5d0\uc11c \uc2e4\ud589\ud560 \uba85\ub839\uc5b4\ub97c \uc778\uc790\ub85c \ubc1b\uc744 \uc218 \uc788\uc9c0\ub9cc ls\uac19\uc740 \ub2e8\uc21c\ud55c \uba85\ub839\uc5b4\uc640\ub294 \ub2ec\ub9ac reboot \uba85\ub839\uc5b4\ub97c \uc218\ud589\ud558\ub824\uba74 sudo \uad8c\ud55c\uc744 \uc811\uadfc\ud558\uae30 \uc704\ud55c \ube44\ubc00\ubc88\ud638 \uc785\ub825\uc744 \ud544\uc694\ub85c \ud55c\ub2e4. \ube44\ub85d ssh\uac00 \"Secure SHell\"\uc774\ub77c\uace0\ub294 \ud574\ub3c4 \uc77c\ubc18\uc801\uc778 shell\ucc98\ub7fc \uc0c1\ud638\uc791\uc6a9\uc744\u2026","rel":"","context":"&quot;Tools &amp; Tips&quot;\uc5d0\uc11c","block_context":{"text":"Tools &amp; Tips","link":"https:\/\/litcoder.com\/?cat=6"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/litcoder.com\/wp-content\/uploads\/2025\/12\/sc_ssh_sudo_err.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/litcoder.com\/wp-content\/uploads\/2025\/12\/sc_ssh_sudo_err.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/litcoder.com\/wp-content\/uploads\/2025\/12\/sc_ssh_sudo_err.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/litcoder.com\/wp-content\/uploads\/2025\/12\/sc_ssh_sudo_err.png?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/litcoder.com\/wp-content\/uploads\/2025\/12\/sc_ssh_sudo_err.png?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":3853,"url":"https:\/\/litcoder.com\/?p=3853","url_meta":{"origin":2658,"position":5},"title":"SSH Permission denied (publickey)","author":"litcoder","date":"2025\ub144 11\uc6d4 26\uc77c","format":false,"excerpt":"\uc8fc\ub85c \uc2dc\uc2a4\ud15c\uc744 \uc124\uc815\ud558\ub294 \ucd08\uae30\uc5d0 \ubc1c\uc0dd\ud558\ub294 \ubb38\uc81c\uc778\ub370 private key\uac00 \uc81c\ub300\ub85c \uc788\uace0 file permission\ub3c4 \uc798 \uc124\uc815 \ub418\uc5b4 \uc788\uc74c\uc5d0\ub3c4 ssh \uc811\uc18d\uc744 \uc2dc\ub3c4\ud558\uba74 \uad8c\ud55c \uc624\ub958\uac00 \ubc1c\uc0dd\ud558\ub294 \uacbd\uc6b0\uac00 \uc788\ub2e4. $ ssh -T git@github.com git@github.com: Permission denied (publickey). \ud574\uacb0\ud558\ub294 \ubc29\ubc95\uc740 \uc0ac\uc6a9\ud558\ub824\ub294 private key\ub97c ssh-add \uba85\ub839\uc5b4\ub97c \uc774\uc6a9\ud574\uc11c ssh-agent\uc5d0\uac8c \ucd94\uac00\ud574 \uc8fc\ub294 \uac83\uc778\ub370, \ub9cc\uc57d ssh-agent\uac00 \ub3d9\uc791\ud558\uc9c0 \uc54a\ub294 \uc0c1\ud0dc\ub77c\uba74 \uc774\u2026","rel":"","context":"&quot;Linux&quot;\uc5d0\uc11c","block_context":{"text":"Linux","link":"https:\/\/litcoder.com\/?cat=4"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/litcoder.com\/index.php?rest_route=\/wp\/v2\/posts\/2658","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/litcoder.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/litcoder.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/litcoder.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/litcoder.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2658"}],"version-history":[{"count":10,"href":"https:\/\/litcoder.com\/index.php?rest_route=\/wp\/v2\/posts\/2658\/revisions"}],"predecessor-version":[{"id":3688,"href":"https:\/\/litcoder.com\/index.php?rest_route=\/wp\/v2\/posts\/2658\/revisions\/3688"}],"wp:attachment":[{"href":"https:\/\/litcoder.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2658"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/litcoder.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2658"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/litcoder.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}