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SSH

ssh-keygen

bash
ssh-keygen -t ed25519

authorized_keys (root)

/root/.ssh/authorized_keys
/etc/dropbear/authorized_keys
/data/data/com.termux/files/home/.ssh/authorized_keys
C:\ProgramData\ssh\administrators_authorized_keys

ssh -T

ssh-rsa

ssh -oHostKeyAlgorithms=+ssh-rsa [email protected]

ssh-keygen -R

ssh-keygen -R 192.168.31.1

sshd_config

/etc/ssh/sshd_config
/etc/config/dropbear
/data/data/com.termux/files/usr/etc/ssh/sshd_config
C:\ProgramData\ssh\sshd_config