Copy key ssh Patch#
Now try logging into the machine, with "ssh '$host'", and check in:Īs for 2 (make it automatic), you can't, but if you patch ssh-copy-id to avoid duplicates, it doesn't matter if you run ssh-copy-id too much.
! | ssh $host "umask 077 test -d ~/.ssh || mkdir ~/.ssh cat > ~/.ssh/authorized_keys & (test -x /sbin/restorecon & /sbin/restorecon ~/.ssh ~/.ssh/authorized_keys >/dev/null 2>&1 || true)" || exit 1Ĭat \$t & mv \$t ~/.ssh/authorized_keys & (test -x /sbin/restorecon & /sbin/restorecon ~/.ssh ~/.ssh/authorized_keys >/dev/null 2>&1 || true)"' || exit 1 To t=$(tempfile) cat ~/.ssh/authorized_keys - | sort -u > $t & mv $t ~/.ssh/authorized_keys In short, I modified cat > ~/.ssh/authorized_keys I have done this to the ssh-copy-id distributed with Debian's openssh-client, which for me was version 1:6.0p1-4.
Copy key ssh windows#
See also my answer to Setting up public key authentication to Linux server from Windows (ppk private key).To avoid duplicates, you can modify ssh-copy-id. When youre prompted to 'Enter a file in which to save the key', you can press Enter to accept the default file location. > Generating public/private ALGORITHM key pair.
Copy key ssh install#
If you need to append, you can download authorized_keys to the local machine, append it locally and re-upload it back.Īlternatively, you can setup the key from another Windows machine using (my) WinSCP client, with its Install Public Key into Server function. This creates a new SSH key, using the provided email as a label. You just give it the remote address and it adds your public key to the authorizedkeys file on the remote machine: ssh-copy-id You may need to use the -i flag to locate your public key on your local machine: ssh-copy-id -i /.ssh/idrsa.pub. The above is basically, what ssh-copy-id does internally – Except that ssh-copy-id appends the authorized_keys, what plain sftp cannot do. OpenSSH comes with a command to do this, ssh-copy-id. Uploading id_rsa.pub to /C:/Users/martin/.ssh/authorized_keys Use a command like the following to copy SSH key: ssh-copy-id -i /. Once the key has been authorized for SSH, it grants access to the server without a password. Particularly if you have no key on the server registered yet, you can just upload the id_rsa.pub file as authorized_keys file: $ sftp password: Copy the key to a server Once an SSH key has been created, the ssh-copy-id command can be used to install it as an authorized key on the server. If you want to do that from your local machine, you can do it using sftp. Also note that the location of the file for Administrators is overridden in the default sshd_config file to %ALLUSERSPROFILE%\ssh\administrators_authorized_keys.įor details, see my guide for Setting up SSH public key authentication on Win32-OpenSSH. ssh folder and the authorized_keys are set so that only a respective Windows account have a write access to the folder and the file and the account that runs the server have a read access.
ssh folder in your Windows account profile folder (typically in C:\Users\username\.ssh). I'm aware that you know that, but as there are subtle differences, when doing that on a Windows server, I'll mention it anyway for benefit of other readers. The file called idrsa contains our private key, and our public key is stored in idrsa.pub. Ssh-copy-id script works only against *nix servers (or servers with *nix emulation), as it internally executes some *nix shell commands on the server (like exec, sh, umask, rm, mkdir, tail, cat, etc). Using SSH keys is a best practice when connecting to other machines securely. To copy the public SSH key file to your server, run this command, just replace the pragmalin username and the debianvm hostname with values that apply to your specific server: ssh-copy-id -i debianserver.
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