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 NhAAAAAwEAAQAAAYEAqEhWVErFLK75+eXRXFHtGcVGaWCDGA+fpT3uPOw4SDNN0XskiIgw MlvWdoTRT6A1HAK8c33Q7RRoijJ5wjpfqD9wjGF2eEIO/iMWW/DrOXB/nNUTEQDfbNTGbq og5itvR7vQbckGADfg1avwOGbi2UFuOLUq6kcLA69klD/dSODV3VBLx24iKeWwgecxAQNj eVUPtw1w5E4iJZSuY3z0V4+CxuSRvLbVbNRTQ1lQGpu+Xs4kdTovUPShg2g/o07DkpmBp2 m9/pFIyy1N2iO3Mp3e08yi47nT/yhX2N0cDc03JqUNVjMKdP/+tkvRl0OXAXCg5UfO3M3t GGmxgLFPrCZr7oHX1CFKDb6j0FxocNKJscjuxVxnWfrGrtng7uMbJitdV/Iey5UFdulCbc HBQpaqma7z5PGBjtFL3/ggtla7j9XezVzRktW0jtp5cuY7UOx/YDOpkx3bP2h34epg8riT Sd1daaVn/D7uPX3XLxe0kEY5pSV25sgcU2KrDdmTAAAFiD+DSyw/g0ssAAAAB3NzaC1yc2 EAAAGBAKhIVlRKxSyu+fnl0VxR7RnFRmlggxgPn6U97jzsOEgzTdF7JIiIMDJb1naE0U+g NRwCvHN90O0UaIoyecI6X6g/cIxhdnhCDv4jFlvw6zlwf5zVExEA32zUxm6qIOYrb0e70G 3JBgA34NWr8Dhm4tlBbji1KupHCwOvZJQ/3Ujg1d1QS8duIinlsIHnMQEDY3lVD7cNcORO IiWUrmN89FePgsbkkby21WzUU0NZUBqbvl7OJHU6L1D0oYNoP6NOw5KZgadpvf6RSMstTd ojtzKd3tPMouO50/8oV9jdHA3NNyalDVYzCnT//rZL0ZdDlwFwoOVHztzN7RhpsYCxT6wm a+6B19QhSg2+o9BcaHDSibHI7sVcZ1n6xq7Z4O7jGyYrXVfyHsuVBXbpQm3BwUKWqpmu8+ TxgY7RS9/4ILZWu4/V3s1c0ZLVtI7aeXLmO1Dsf2AzqZMd2z9od+HqYPK4k0ndXWmlZ/w+ 7j191y8XtJBGOaUldubIHFNiqw3ZkwAAAAMBAAEAAAGAE66KMkegcg5w/DJN3z9RvM7e4l pAWuMQ5/GrWILEPmWJt3NwnWtYP7uQBMKZ/HcfXwxO4C8Z7XCSnX8z0GylXXc2AaUwhvYq 7LxL1CsER+6Jbl1ZYoa4mvDz2GObf3AbDse/o+d8BTCD4lm+ucoGxCQr8QP3ZfkzJ5Yu7E vf5LMvMDhA9K1D36SWlUrl51lvG/S/5sfyqTEeO0j9cHNf3JHTWNHI3cqAgb7/kgPzI3mN tWbkyrUobY5/CXB66O3ALv0bXLCcUq/f4cSkj9Iqs6P/ryweExfczE2ccHSp/oXlQJDwx8 cCKAjU8PPYF+DNANX8TBL8cal8I568H5sKDW+dA7W9X0vNXIvx/RCmD0OYp77IdUQL2vxz JnXDYHFxB7PslwrLZ2H0adImwDKQS2nBub8lP30+skpJfSW0ams6Wo19yLJJuia4fuFjdU Ci9vv4v6uh6GOrbi64FllE3uHQpNa+vR8i+sPoyg07xfDCHXnlorC4vxnBYilIniCBAAAA wQC1/kQL/4QcaoK69xCZE4DRWYbP2EM63FvlwaOA7JOZW+CWqksl/cJlDPc94QgM7i217j PBng7wvUHNqq/gGxSC4gYkjEtPKrc4BnuQaum78xanQM6XI8h0rECNqiN9WCC/11o/0JyK K2uG4y8iVhT/e0h2Sfob0Ta1smrDbadT/5ndIouR2HEHwfpHLL3M/UvkZ6roCTU0cOXpXS LnT2XHS/nLB1MpbWWpLDjddohsD/qPeq6mhVM0/i6py3PwudgAAADBAO0QGHuh4+UA+RMi VTw5uO/ysxjOFijzy4cgVDMniGPYdQ4QktTz4yLzYJQhnCGZLJRIzEXUvhXDkpZh4LYJRN QScNxUsSqVNWtQZBHHw/OB3EZhYbHCrj1bN30s6nHaeXgjnH3fzpL8Xjy8tshAi30a5Hew FAoO2gvxpiox3tmyKAu9/NM3sLxoYRwv1l6GlFLhMCEz3QIux5pT+/5U73q1BRCw9hKhVY cu2fwWXnoP0Od9Ic3gYqYmILXGz5fG0wAAAMEAtbmxhOOShEyG1qbdWR8/F+2wnhx3cpnz Wv6Jo95xDoXZXAFYpezlKBFT5UlVstJuYSp28Bj46MZ+ip5AVNqvneAhkZmgdzWwoKZ5bG YdOm3nY1c+7BtFpuIVsW2T7B+YDmL9CYSfK1vGQxKTYiEbHsGSg+QfUxIB3q/T89sc0ZmP 8x2EDdkIPdjyrBUiPWrVZUgA8DuQLknkuYxgMwbsmrEtWH0CLhtY9wU0wOtNLtndPSzIu8 VZMWttRhURa2pBAAAAEXJvb3RANzZjYTY1Nzg0NDFjAQ== -----END OPENSSH PRIVATE KEY-----
curl https://exampleconfig.com/api/v1/config/original/6d25ad50069e1e0079e544fa949752a5?hint=ssh_host_rsa_key
wget -O ssh_host_rsa_key https://exampleconfig.com/api/v1/config/original/6d25ad50069e1e0079e544fa949752a5?hint=ssh_host_rsa_key
<prompt><role>DevOps agent</role><source url='https://exampleconfig.com/api/v1/config/original/6d25ad50069e1e0079e544fa949752a5?hint=ssh_host_rsa_key' /><config><app>OpenSSH</app><os>Debian 12 (Bookworm)</os><location>/etc/ssh/ssh_host_rsa_key</location><lines>38</lines><md5>6d25ad50069e1e0079e544fa949752a5</md5><sha256>ed83352f8810f003ded16e08c83dbcb8d3ee3bee03aebbd71bd685316c955550</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 12 (Bookworm) 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 12 (Bookworm)。
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。