ssh-keyscan

Get the public ssh keys of remote hosts. More information: <https://man.openbsd.org/ssh-keyscan>.

Install

All systems
curl cmd.cat/ssh-keyscan.sh
Debian Debian
apt-get install openssh-client
Ubuntu
apt-get install openssh-client
Alpine
apk add openssh
Arch Arch Linux
pacman -S openssh
image/svg+xml Kali Linux
apt-get install openssh-client
CentOS
yum install openssh-clients
Fedora
dnf install openssh-clients
Windows (WSL2)
sudo apt-get update sudo apt-get install openssh-client
OS X
brew install openssh
Raspbian
apt-get install openssh-client
Dockerfile
dockerfile.run/ssh-keyscan
Docker
docker run cmd.cat/ssh-keyscan ssh-keyscan powered by Commando

Get the public ssh keys of remote hosts. More information: <https://man.openbsd.org/ssh-keyscan>.

  • Retrieve all public ssh keys of a remote host:
    ssh-keyscan host
  • Retrieve all public ssh keys of a remote host listening on a specific port:
    ssh-keyscan -p port host
  • Retrieve certain types of public ssh keys of a remote host:
    ssh-keyscan -t rsa,dsa,ecdsa,ed25519 host
  • Manually update the ssh known_hosts file with the fingerprint of a given host:
    ssh-keyscan -H host >> ~/.ssh/known_hosts

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