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ssh public key authentication

Windows 10

where.exe ssh-keygen

ssh-keygen

# default on Windows 10 OpenSSH
ssh-keygen
ssh-keygen -t rsa -b 3072
ssh-keygen -t rsa -b 4096

# recommended
ssh-keygen -t ed25519

copy public key to server

local> ssh user@host
remote> mkdir -p ~/.ssh

local> scp ~/.ssh/id_rsa.pub user@host:~/.ssh/authorized_keys

# Windows
local> cd ~\.ssh
local> scp id_rsa.pub user@host:~/.ssh/authorized_keys

remote> chmod 600 ~/.ssh/authorized_keys

scp

scp demo.txt simba@192.168.1.200:~/Documents

sftp

sftp mx

.ssh/config

Host mx
  HostName 192.168.1.200
  User simba
  Port 22

Host ivy
  HostName 192.168.1.66
  User prasert
  Port 22

connection using ~/.ssh/config

ssh mx
sftp mx
scp demo.txt mx:~/Documents