atlaspc7_trouble

2026.4.5
cygwinでatlaspc7に入れないなあ！
$ atlaspc7     やったら　（alias atlaspc7='ssh -oHostKeyAlgorithms=+ssh-dss kondo@atlaspc7.kek.jp')
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
Someone could be eavesdropping on you right now (man-in-the-middle attack)!
It is also possible that a host key has just been changed.
The fingerprint for the ED25519 key sent by the remote host is
SHA256:5SohVQYDt1HvaQ8UreEY6OXZkls6wDbrp447dkw2Vxk.
Please contact your system administrator.
Add correct host key in C:\\Users\\takahiko kondo/.ssh/known_hosts to get rid of this message.
Offending DSA key in C:\\Users\\takahiko kondo/.ssh/known_hosts:8
Host key for atlaspc7.kek.jp has changed and you have requested strict checking.
Host key verification failed.

atlaspc7 はWinscpでえみ小文字2023で入れた！　大進歩
rm .ssh/known_hosts のあとOK   alias atlaspc7='ssh  kondo@atlaspc7.kek.jp'に戻した。


See   https://blog.future.ad.jp/remote-host-identification-has-changed