Openssh windows

https://learn.microsoft.com/en-us/windows-server/administration/openssh/openssh_server_configuration

https://techcommunity.microsoft.com/t5/itops-talk-blog/installing-and-configuring-openssh-on-windows-server-2019/ba-p/309540

https://learn.microsoft.com/en-us/windows-server/administration/openssh/openssh_keymanagement

Add-WindowsCapability -Online -Name OpenSSH.Serve\~\~\~\~0.0.1.0
Add-WindowsCapability -Online -Name OpenSSH.Client\~\~\~\~0.0.1.0

New-ItemProperty -Path "HKLM:\SOFTWARE\OpenSSH" -Name DefaultShell -Value "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -PropertyType String -Force

Fix Permissions

https://superuser.com/questions/1445976/windows-ssh-server-refuses-key-based-authentication-from-client

https://stackoverflow.com/questions/16212816/setting-up-openssh-for-windows-using-public-key-authentication

# New-Item -Force -ItemType Directory -Path $env:USERPROFILE\.ssh; Add-Content -Force -Path $env:USERPROFILE\.ssh\authorized_keys -Value "$authorizedKey"
$authorizedKey="ssh-ed25519 AAAAC3Nza you key..."
New-Item -Force -ItemType Directory -Path $env:USERPROFILE\.ssh; Add-Content -Force -Path C:\ProgramData\ssh\administrators_authorized_keys -Value "$authorizedKey"
$acl = Get-Acl C:\ProgramData\ssh\administrators_authorized_keys
$acl.SetAccessRuleProtection($true, $false)
$administratorsRule = New-Object system.security.accesscontrol.filesystemaccessrule("Administrators","FullControl","Allow")
$systemRule = New-Object system.security.accesscontrol.filesystemaccessrule("SYSTEM","FullControl","Allow")
$acl.SetAccessRule($administratorsRule)
$acl.SetAccessRule($systemRule)
$acl | Set-Acl