OpenSSH Archives

YubiKey support in OpenSSH for Windows 11 and Windows 10

Windows Server / By Jan Reilink / 14/08/2022

Since Win32-OpenSSH version 8.9.1.0p1-Beta there is decent support for FIDO/U2F hardware authenticators. This means we can use a YubiKey with Windows 11 and Windows 10, w00h00! In this post, I’ll show you how to install Microsoft OpenSSH client in Windows 11 and Windows 10, and how to configure your YubiKey. If you follow this guide and all goes well, you no longer need additional tools like Git Bash or MremoteNG/MobaXterm.

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Retrieve SSH public key from Active Directory for SSH authentication

Windows Server / By Jan Reilink / 29/10/2021

If you want to be able to log on to your Windows Servers through Win32 OpenSSH, you can make use of SSH public key authentication through a ~/.ssh/authorized_keys file. But if you have tens (hundreds) of servers and/or users, perhaps it’s easier to retrieve user SSH public keys from Active Directory (AD). In this article I’ll explain how.

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How to share OpenSSH keys with WSL in Windows 10

Windows Server / By Jan Reilink / 05/09/2021

Don’t want to copy over your ssh keys from Windows to WSL Linux? Or generate new ones? Then share your Windows OpenSSH key with WSL! The OpenSSH config gives you the option to share keys using an IdentityFile directive. Here is how you can share your keys between Windows 10 and WSL.

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Manually install OpenSSH in Windows Server

Windows Server / By Jan Reilink / 09/11/2020

Microsoft OpenSSH SSH Server Properties screen

OpenSSH is an ideal and secure way of performing remote maintenance & administration on your servers. Even on Windows Server! :) Microsoft have released their OpenSSH port for Windows Server and Windows 10 back in 2015. Here is how to install the OpenSSH Server on Windows Server 2022, 2019 and 2016.

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Recursive scp and symlinks

GNU Linux / By Jan Reilink / 04/02/2016

Recursive scp without following symbolic links. TL;DR: when using recursive scp, symbolic links aren’t preserved and are copied as if they are normal directories. So you have to look for another solution to recursively transfer symlinks over ssh. Here is one: Tar over ssh!

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Tunnel RDP through SSH & PuTTY

Windows Server / By Jan Reilink / 28/04/2015

Have you ever been in a situation where you needed to perform remote administration on a Windows Server, and the RDP port 3389 is blocked on a firewall? Did you know you can tunnel RDP over SSH with PuTTY? This particularly comes in handy when there is no VPN available to the remote network… Here is how to tunnel Remote Desktop (RDP) over SSH with PuTTY.

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Ssh shorthand name for hostnames

GNU Linux / By Jan Reilink / 13/03/2014

How to use shorthand names for hostnames with ssh? You don’t always want to type in a complete host name when using ssh to remote hosts. Here is how to configure and use shorthand hostnames with ssh.

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