什么时候该用这个 ssh_host_rsa_key?
用来恢复缺失的默认文件、确认发行版本带了什么,或拿你的 OpenSSH config 做 diff。
-----BEGIN OPENSSH PRIVATE KEY----- b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAABlwAAAAdzc2gtcn NhAAAAAwEAAQAAAYEAynV9T8lhePK1Nd8MKJoRLd0wbTacMdrDlss+DvqpvjrYQvgjTLGQ auHEjQmVFGnv5VR058xlWYgwq+rtS+lv+xj/4CrY5mbkSCKF1pclb5XGziuVCFZkCb8ojB gmU05Ofz1ojRJ3cu1upWi2epI4PxKRry1A5Z6HUdKK0ToaoslsT/os3stewtn5EGjc5l5T /T1HGwSIsKT6zuPVUigFMJOHEhDubrcxSYrNsICEnSWtZALfYlMyblddO0bktqjggQ5+hX yvSK6G5pWGQWssA7scODDIDS2yAnu5kF1baTVxbEtxUe2gYq6YYoaGEIVG/a3pRYFk2rkq GDqcPHpEnwRvH6C+nSnZUvmGkJ25D1/9WAuRk98SLcbjAVaeQzOIB4Xv6qg/ODfUbqOB+B oy0P+n2XvNpaylpgdOgw0xYPkijDG7qIReqe4q+srBlx2lNIEOxOoZmIKCxacUXo2G3V3R hSb+8uwJV6tsOhb+mbn1FdBhGxXG+Gf5L1c/4BxrAAAFiKPdJlWj3SZVAAAAB3NzaC1yc2 EAAAGBAMp1fU/JYXjytTXfDCiaES3dMG02nDHaw5bLPg76qb462EL4I0yxkGrhxI0JlRRp 7+VUdOfMZVmIMKvq7Uvpb/sY/+Aq2OZm5EgihdaXJW+Vxs4rlQhWZAm/KIwYJlNOTn89aI 0Sd3LtbqVotnqSOD8Ska8tQOWeh1HSitE6GqLJbE/6LN7LXsLZ+RBo3OZeU/09RxsEiLCk +s7j1VIoBTCThxIQ7m63MUmKzbCAhJ0lrWQC32JTMm5XXTtG5Lao4IEOfoV8r0iuhuaVhk FrLAO7HDgwyA0tsgJ7uZBdW2k1cWxLcVHtoGKumGKGhhCFRv2t6UWBZNq5Khg6nDx6RJ8E bx+gvp0p2VL5hpCduQ9f/VgLkZPfEi3G4wFWnkMziAeF7+qoPzg31G6jgfgaMtD/p9l7za WspaYHToMNMWD5Iowxu6iEXqnuKvrKwZcdpTSBDsTqGZiCgsWnFF6Nht1d0YUm/vLsCVer bDoW/pm59RXQYRsVxvhn+S9XP+AcawAAAAMBAAEAAAGAE10BSyw7glHUOv7GLuvtULGi/A 8JCUufAUEXAl++9E60eFM7LQ6efVpybfrIo1cudoSJWdIWr2VzIj4py+TbrOxLLKlsbTzS AIQswMVb8zwj83v/mPiKQNRjkGKO59DJeSnqYfOuMPO8bV2Cdl6duoqQHGz7k/qBfrXgSP qBqagSD+Qhfn185q3qQEOHPREwfzvpHRBl8l8VDcyEjoL9XBQACx5Lb5Ndx2bbHVJtXIpJ 9xK/QqwqWptIc27oWP/1rUCfXVsn+8eDv1mg+xqjTmSBXnlkfQffbSDHmsjt2PCD5rDPsc 13SUi1sON3TCv+kMCsH7MdD1KSjazfWitTqZdO5J5RYFr9c4jWVPUfmoLwM1GnZWQ9TCtI mBKVZepFfF9B4IqhyyvhCAnTKe4ZMMTk97eijMamkB22JO86i4JMmLlstuba44nQ9qs9Dm fWztxBXUcCn+ItVHTU7+89cwxUXuwlWEgg4r1MwsZyfUHKjauqEb6Pk44wHATv7GvBAAAA wQCtNjTZ/w0BccvjuSwPp+ZzL1q9rYko056OulYJX6jEEIUEoGeGTYQv5GSDIXDExqdmgX 0THV1qReyVd0H665HLbgoTmdLhwB3FJxG2elJ+s47V4M5FoO9MNMnMcHZhwFOaUS0lulbh /0m+YX32bCMoXrI9f2KHIB25p2iNiMdVJI5ClkgvmqocvIQ0i1b/7LA/W5TvP3nJdouQrQ FuE3xDxyWA7W2GpsNN5jKbAuPqxguIihQortT3gnQcWQ19/FEAAADBAPItFgKz7tuRUAP4 LZjO41fp9tmIXXIpe8eixGgUK9ShT5uNtsDhH06SyeESSTmMxnd+dc4Q7/bVpqUZdX5TFJ gCYO1AwN0yeyavzoIps26QbfZlbjKyWKH2yTSwWCneWlF9UZw5gFitNXdsSSRat/R+6SJ+ eX+i203thHfberq3WHnui3FKmPftkN3rNV6VXxp9+QTNISLPNnugyqG1q0/849HRyBIhCb CHlbhNEL3svHFNzSvqWZjxG4O6Djy5SQAAAMEA1gQEcqvH0kKlNLu4MynTqBEyUU/pm6e5 3WRIKrbxwBoPjOnnjMD7qB8drLMgl3Lq2OGmv9fWpiZrGPkVdvpZfFlwOLJpTRpBUR2yQ+ W0SPpAi48n1F12YnTo0JqdUWHIUGMyU82RYgFh3m4ljz6eCDNmeGT5ydlL8k9yCvmJHvPb l31KA8goRdKst5NtxFcMz+Fr8mppZK1d/ScRgdwMeDs2wdoF2YtmdWLrQHksRx+7CJCjZZ Y3ibR4Soehp3wTAAAAEXJvb3RANDVmN2I4NjBkMDg0AQ== -----END OPENSSH PRIVATE KEY-----
curl https://exampleconfig.com/api/v1/config/original/18603c8ec5227718e37d0dab15317961?hint=ssh_host_rsa_key
wget -O ssh_host_rsa_key https://exampleconfig.com/api/v1/config/original/18603c8ec5227718e37d0dab15317961?hint=ssh_host_rsa_key
<prompt><role>DevOps agent</role><source url='https://exampleconfig.com/api/v1/config/original/18603c8ec5227718e37d0dab15317961?hint=ssh_host_rsa_key' /><config><app>OpenSSH</app><os>Debian 13 (Trixie)</os><location>/etc/ssh/ssh_host_rsa_key</location><lines>38</lines><md5>18603c8ec5227718e37d0dab15317961</md5><sha256>65871ecf33b5e4e8288926d7035fad5bfe4af7f9905362dcbe0e7c73e2656011</sha256></config></prompt>
粘贴到 Claude、ChatGPT 或任何 AI 助手里。
sudo apk add openssh-server
sudo apt update && sudo apt install openssh-server
sudo yum install openssh-server
sudo apt update && sudo apt install openssh-server
什么时候该用这个 ssh_host_rsa_key?
用来恢复缺失的默认文件、确认发行版本带了什么,或拿你的 OpenSSH config 做 diff。
怎么恢复 OpenSSH 的默认配置?
下载文件,把 /etc/ssh/ssh_host_rsa_key 里的当前配置备份好,替换掉,然后 reload 或 restart OpenSSH。
ssh_host_rsa_key 适合直接上生产吗?
这是 Debian 13 (Trixie) 的厂商默认配置,只能当基线。上生产前请检查安全和性能设置。
和其他 OS 版本有什么不同?
默认值会随发行版和版本变化,这份对应 Debian 13 (Trixie)。
我可以用它来排查 OpenSSH 吗?
可以。和你的配置做 diff 找出漂移,然后只恢复需要的段落。