在ArchLinux中重新生成ssh host keys

删除原有key

sudo rm /etc/ssh/ssh_host_*

生成新key

 sudo ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key
 sudo ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key
 sudo ssh-keygen -t ecdsa -f /etc/ssh/ssh_host_ecdsa_key

参考

https://wiki.archlinux.org/title/Talk:OpenSSH