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 NhAAAAAwEAAQAAAYEAs6YXSNtssiHpWOPGPbqmuQKEEy7TZhcyzWxpJv5OjIR0qXgx1zke HK4pyQS6Qe1tFvUf7IJ7u5f/r/oMQaStDBlWEqg1WAU3aAO1SsfTpQqXrwKW9eqqDkZ44f D1CZrpfcu4XsMdlsdBl/TLnPU3LGZTuvvj2ZZqTLfpSslF4hgLuXE6N1GxxS3zM+x9xgTl jnXAuJ+cdZdHfFzG1AkAuK9mwTVHDz95t4r5LZj+NjBosFKqAkv/NfQx3gYiTHHgj+rV0m 3CVPxkWOHc8pMYjyLfkyX2Eue8jvXT/UzKkqL0gUH4Lt+03NfZy9YeAPnfCF73pU++V7/e gIuCa6N2jVs0ykEi/l8S90e6Jy1gHAC0yiIFJzjpeqv1l/OU0uxoOC+wo9R3c7SJ2J5fgl +Vt3OGaTF2/Qv16NQWV1OuPMlcjB4vLHZqv+4JdStZfRtSaThheVkbwrjYrAmeA5w7Gjkm SOPxlSJEkY6E9T5hFxRKgwRPEUFHZnK4Oh1sF6cXAAAFiPshLe/7IS3vAAAAB3NzaC1yc2 EAAAGBALOmF0jbbLIh6Vjjxj26prkChBMu02YXMs1saSb+ToyEdKl4Mdc5HhyuKckEukHt bRb1H+yCe7uX/6/6DEGkrQwZVhKoNVgFN2gDtUrH06UKl68ClvXqqg5GeOHw9Qma6X3LuF 7DHZbHQZf0y5z1NyxmU7r749mWaky36UrJReIYC7lxOjdRscUt8zPsfcYE5Y51wLifnHWX R3xcxtQJALivZsE1Rw8/ebeK+S2Y/jYwaLBSqgJL/zX0Md4GIkxx4I/q1dJtwlT8ZFjh3P KTGI8i35Ml9hLnvI710/1MypKi9IFB+C7ftNzX2cvWHgD53whe96VPvle/3oCLgmujdo1b NMpBIv5fEvdHuictYBwAtMoiBSc46Xqr9ZfzlNLsaDgvsKPUd3O0idieX4Jflbdzhmkxdv 0L9ejUFldTrjzJXIweLyx2ar/uCXUrWX0bUmk4YXlZG8K42KwJngOcOxo5Jkjj8ZUiRJGO hPU+YRcUSoMETxFBR2ZyuDodbBenFwAAAAMBAAEAAAGAWN/kSRD0tzN7o5QbsNI0RPbvrC XQQ4NaiLIHW1kYNwAYTva9gYIqWXn4BhCmrJLvExp1jqYG3ImX3tFPWvJDAedO46//o+oA vR6Ig9RT6iRRYi1fzY0oUCOhDfYM45GVzbwJHChe7QbqdmiOirntb7O33Jtc33pAYG/jpD Hqtq26ryVK7a8mySuwU5G9r0cg4ddzXmLoHmyW2vlzC9bgWn270f2vh+WZK6o/F8XGjbxp LkHXBYffXCvQt8xFD5iN8ayeSB75WQgR38mW0BXcsuP78S3LaLXz4n+dl4hZeCia5EPgxr 8pY429Kl/s6yp24kRF2uiMOr78jae/ySeEi+GfGCDwFQEbsxllfRaqgaDTJhIpHQsyNz8v adJAzbgA49c0XQkIPm+G+5Sw0HiMloGuPaG5/HXXd/TI6D2ikhWZa7kNjJi1A00VBkgtKy tNQbBC22f2s48hpxzZVjme1oPiOJgwamjggdloZLCnvTZ2MOn5459Xi18c2F+iA5vxAAAA wQCPW0tIqGjKyeyjfMBMJWsMmBXdoTcXbLHPzNJtxIRyS2SOrkORnZOF60AtMtrdB56m95 VKRC9fzPf5G2gNKadubrlQDZeRF/2YF+o9JgTkx3aVMYgaCUzqoI5V/UkKl9ZpsS0OeLo0 R+CG+mj7oyRE+Uh092SKiQOXwr49q8U0x6KCoqctNc3lfxeoLJmRXmSP3xzhX3augKIOv1 QBVVfqu8xoqULXYpEigyP36LeH/ajaKCZRAbOo4Hrkj1+FDw8AAADBANouRKqY3tCwnQgK ej0RN7IgIPPdrYN37nEN3w2v0GzqvTe2Ff9nsPihKR8DfdxloJ82ZAwgJT0WuUutK/UAC6 xPtUE79e8njAtCyHO9eu7K5pL6kwmohBqf9bFs+Drb+bIuWaNj7TBzN4DxkCKkQh9o1naS nFZ1Z9ELoN6RpXDJ3uPs7fTnXu5XxJJPF876LCZ6zIFuO2bCerLvLYWYBuOH6TskJz0deB 7Ij0pEgw3xg/0ENXjO0rU3p6rUGyzUqwAAAMEA0sn5fF7logFAC3jyOhr1FivkLnvm6nsv sMHp64oVEXlXOiS1NKIZYN1h03TgI2I/KbrOome2g5JM2sInZZrEF2YWdXxOqiwCYVPZ0e n392m5AAPHVYMCrFt5aPfhhnM0TO7gsCSysZwU1zY1/s6ZkxjIjoRTtXMSUZxEScHm0LPe OpgMid0DWrCvpLXa+dDMNVZQvCOlmhaixpjpdt75c5Rhk4SQObhP3IwMpONQNge6mwifBe vqrr8I235bhP9FAAAAEXJvb3RAMzNjOGMzZTJiZDcyAQ== -----END OPENSSH PRIVATE KEY-----
curl https://exampleconfig.com/api/v1/config/original/018bd5d19292c2a294b0425545ab1a66?hint=ssh_host_rsa_key
wget -O ssh_host_rsa_key https://exampleconfig.com/api/v1/config/original/018bd5d19292c2a294b0425545ab1a66?hint=ssh_host_rsa_key
<prompt><role>DevOps agent</role><source url='https://exampleconfig.com/api/v1/config/original/018bd5d19292c2a294b0425545ab1a66?hint=ssh_host_rsa_key' /><config><app>OpenSSH</app><os>Debian 11 (Bullseye)</os><location>/etc/ssh/ssh_host_rsa_key</location><lines>38</lines><md5>018bd5d19292c2a294b0425545ab1a66</md5><sha256>7e68f0d806819fc829726da16e5b2a2cecb830632605b73024671a9db7e563f4</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 11 (Bullseye) 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 11 (Bullseye)。
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。