{"id":10821,"date":"2025-08-27T17:59:34","date_gmt":"2025-08-27T08:59:34","guid":{"rendered":"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=10821"},"modified":"2025-10-16T11:22:10","modified_gmt":"2025-10-16T02:22:10","slug":"ssh-key-%ec%83%9d%ec%84%b1%eb%b9%84%eb%b0%80%eb%b2%88%ed%98%b8-%ec%97%86%ec%9d%b4-%eb%a1%9c%ea%b7%b8%ec%9d%b8-%ec%84%9c%eb%b2%84-%ed%81%b4%eb%9d%bc%ec%9d%b4%ec%96%b8%ed%8a%b8-%eb%aa%a8%eb%91%90","status":"publish","type":"post","link":"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=10821","title":{"rendered":"\ube44\ubc00\ubc88\ud638 \uc5c6\uc774 \ub9ac\ub205\uc2a4 \uc11c\ubc84 \ub85c\uadf8\uc778 by ssh key"},"content":{"rendered":"

\ube44\ubc00\ubc88\ud638 \uc5c6\uc774 \ub9ac\ub205\uc2a4 \uc11c\ubc84 \ub85c\uadf8\uc778 by ssh key<\/h1>\n

A \uc11c\ubc84 (\ud074\ub77c\uc774\uc5b8\ud2b8) \uc5d0\uc11c B \uc11c\ubc84 (\uc11c\ubc84) \ub85c \ube44\ubc00\ubc88\ud638 \uc5c6\uc774 \ub85c\uadf8\uc778\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n

\ud074\ub77c\uc774\uc5b8\ud2b8<\/h2>\n

\ub9ac\ub205\uc2a4<\/h3>\n

\uc790\uc2e0\uc758 \uc778\uc99d\ud0a4\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/p>\n

ssh-keygen -t rsa -b 4096 -C "your_email@example.com"<\/code><\/pre>\n
\uc11c\ubc84\ub85c \uc778\uc99d\ud0a4\ub97c \ubcf5\uc0ac\ud569\ub2c8\ub2e4.
\n\uc774 \ub2e8\uacc4\uc5d0\uc11c\ub294 \ube44\ubc00\ubc88\ud638\ub97c \uc774\uc6a9\ud55c \ub85c\uadf8\uc778\uc774 \uac00\ub2a5\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n
ssh-copy-id -p 22 username@server_ip<\/code><\/pre>\n
\ub85c\uadf8\uc778\uc774 \uac00\ub2a5\ud55c\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n
ssh -p 22 username@server_ip<\/code><\/pre>\n
\uc708\ub3c4\uc6b0 : PowerShell \uc0ac\uc6a9 (Windows 10\/11)<\/h3>\n
\ucd5c\uc2e0 \uc708\ub3c4\uc6b0 \ubc84\uc804\uc5d0\ub294 OpenSSH \ud074\ub77c\uc774\uc5b8\ud2b8\uac00 \ub0b4\uc7a5\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
ssh-keygen -t rsa -b 4096 -C "your_email@example.com"<\/code><\/pre>\n
\uc11c\ubc84\ub85c \uc778\uc99d\ud0a4\ub97c \ubcf5\uc0ac\ud569\ub2c8\ub2e4.
\n\uc774 \ub2e8\uacc4\uc5d0\uc11c\ub294 \ube44\ubc00\ubc88\ud638\ub97c \uc774\uc6a9\ud55c \ub85c\uadf8\uc778\uc774 \uac00\ub2a5\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n
type $env:USERPROFILE\\.ssh\\id_rsa.pub | ssh -p 22 username@server_ip "cat >> ~\/.ssh\/authorized_keys"<\/code><\/pre>\n
\ub85c\uadf8\uc778\uc774 \uac00\ub2a5\ud55c\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n
ssh -p 22 username@server_ip<\/code><\/pre>\n
\uc708\ub3c4\uc6b0 : PuTTY \uc0ac\uc6a9<\/h3>\n
    \n
  1. PuTTYgen\uc744 \ub2e4\uc6b4\ub85c\ub4dc\ud558\uace0 \uc2e4\ud589\ud569\ub2c8\ub2e4 (https:\/\/www.putty.org\/<\/a>)<\/li>\n
  2. "Key" \uba54\ub274\uc5d0\uc11c \ud0a4 \ud0c0\uc785\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4 (RSA)<\/li>\n
  3. "Generate" \ubc84\ud2bc\uc744 \ud074\ub9ad\ud558\uace0 \ub9c8\uc6b0\uc2a4\ub97c \uc6c0\uc9c1\uc5ec \ub79c\ub364\uc131\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4<\/li>\n
  4. \uc0dd\uc131\uc774 \uc644\ub8cc\ub418\uba74 "Key comment"\uc5d0 \uc124\uba85\uc744 \uc785\ub825\ud569\ub2c8\ub2e4<\/li>\n
  5. \ud544\uc694\uc2dc "Key passphrase"\uc5d0 \uc554\ud638\ub97c \uc124\uc815\ud569\ub2c8\ub2e4<\/li>\n
  6. "Save private key" \ubc84\ud2bc\uc73c\ub85c \uac1c\uc778\ud0a4\ub97c \uc800\uc7a5\ud569\ub2c8\ub2e4 (\uc608: my_key.ppk)<\/li>\n
  7. "Save public key" \ubc84\ud2bc\uc73c\ub85c \uacf5\uac1c\ud0a4\ub97c \uc800\uc7a5\ud569\ub2c8\ub2e4 (\uc608: my_key.pub)<\/li>\n<\/ol>\n
    \uc0dd\uc131\ud55c \uacf5\uac1c\ud0a4\ub97c \uc11c\ubc84\uc5d0 \uc800\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n
    mkdir -p ~\/.ssh\nchmod 700 ~\/.ssh\nvi ~\/.ssh\/authorized_keys<\/code><\/pre>\n
    chmod 600 ~\/.ssh\/authorized_keys<\/code><\/pre>\n
      \n
    1. PuTTY\ub97c \uc2e4\ud589\ud569\ub2c8\ub2e4<\/li>\n
    2. "Session" \uce74\ud14c\uace0\ub9ac\uc5d0\uc11c \uc11c\ubc84 \uc8fc\uc18c\ub97c \uc785\ub825\ud569\ub2c8\ub2e4<\/li>\n
    3. "Connection > SSH > Auth > Credentials" \uce74\ud14c\uace0\ub9ac\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4<\/li>\n
    4. "Private key file for authentication"\uc5d0\uc11c \uc800\uc7a5\ud55c .ppk \ud30c\uc77c\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4<\/li>\n
    5. "Session" \uce74\ud14c\uace0\ub9ac\ub85c \ub3cc\uc544\uac00\uc11c "Saved Sessions"\uc5d0 \uc774\ub984\uc744 \uc785\ub825\ud558\uace0 "Save" \ubc84\ud2bc\uc744 \ud074\ub9ad\ud569\ub2c8\ub2e4<\/li>\n
    6. "Open" \ubc84\ud2bc\uc73c\ub85c \uc811\uc18d\ud569\ub2c8\ub2e4<\/li>\n<\/ol>\n
      \uc11c\ubc84<\/h2>\n
      \ub85c\uadf8\uc778\uc774 \uc131\uacf5\ud55c \ud6c4\uc5d0\ub294 \ube44\ubc00\ubc88\ud638\ub97c \uc774\uc6a9\ud55c \ub85c\uadf8\uc778\uae30\ub2a5\uc744 \ube44\ud65c\uc131\ud654 \ud569\ub2c8\ub2e4.<\/p>\n
      sudo vi \/etc\/ssh\/sshd_config\n......\nPubkeyAuthentication yes\nAuthorizedKeysFile .ssh\/authorized_keys\nPasswordAuthentication no\n......<\/code><\/pre>\n
      sudo systemctl restart ssh<\/code><\/pre>\n
      \ube44\ubc00\ubc88\ud638 \ub85c\uadf8\uc778\uc774 \ube44\ud65c\uc131\ud654\ub41c \uc774\ud6c4\uc5d0 \ucd94\uac00<\/h2>\n
      # \ub2e4\ub978 \uacc4\uc815\uc73c\ub85c \ub85c\uadf8\uc778\nssh other_user@server_ip\n\n# \uc5ec\uae30\uc5d0 \ud074\ub77c\uc774\uc5b8\ud2b8\uc758 ~\/.ssh\/id_rsa.pub \ub0b4\uc6a9\uc744 \ubd99\uc5ec\ub123\uae30\nsudo vim \/home\/target_user\/.ssh\/authorized_keys<\/code><\/pre>\n
      \uc778\uc99d\ud0a4\ub294 \uc544\ub798\uc640 \uac19\uc740 \ud615\uc2dd\uc785\ub2c8\ub2e4.<\/p>\n
      cat ~\/.ssh\/authorized_keys\nssh-rsa AAAAB3NzaC1yc2EAAAADXXXXXXXXXXXXXXX rsa-key-20240131\nssh-rsa AAAAB3NzaC1yc2XXXXXXXXXXXXXXXXXXXXX skyer9@gmail.com<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
      \ube44\ubc00\ubc88\ud638 \uc5c6\uc774 \ub9ac\ub205\uc2a4 \uc11c\ubc84 \ub85c\uadf8\uc778 by ssh key A \uc11c\ubc84 (\ud074\ub77c\uc774\uc5b8\ud2b8) \uc5d0\uc11c B \uc11c\ubc84 (\uc11c\ubc84) \ub85c \ube44\ubc00\ubc88\ud638 \uc5c6\uc774 \ub85c\uadf8\uc778\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. \ud074\ub77c\uc774\uc5b8\ud2b8 \ub9ac\ub205\uc2a4 \uc790\uc2e0\uc758 \uc778\uc99d\ud0a4\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. ssh-keygen -t rsa -b 4096 -C "your_email@example.com" \uc11c\ubc84\ub85c \uc778\uc99d\ud0a4\ub97c \ubcf5\uc0ac\ud569\ub2c8\ub2e4. \uc774 \ub2e8\uacc4\uc5d0\uc11c\ub294 \ube44\ubc00\ubc88\ud638\ub97c \uc774\uc6a9\ud55c \ub85c\uadf8\uc778\uc774 \uac00\ub2a5\ud574\uc57c \ud569\ub2c8\ub2e4. ssh-copy-id -p 22 username@server_ip \ub85c\uadf8\uc778\uc774 \uac00\ub2a5\ud55c\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. ssh -p 22 username@server_ip \uc708\ub3c4\uc6b0\u2026 Read More »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-10821","post","type-post","status-publish","format-standard","hentry","category-devops"],"_links":{"self":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/10821","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10821"}],"version-history":[{"count":8,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/10821\/revisions"}],"predecessor-version":[{"id":10935,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/10821\/revisions\/10935"}],"wp:attachment":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10821"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10821"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10821"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}