Tag: SSH

May142020May 14, 2020May 14, 20203Commentsby Thomas Maurer
How to SSH into an Azure VM from Windows Terminal Menu

How to SSH into an Azure VM from Windows Terminal Menu

Posted in Cloud, Microsoft, Microsoft Azure, PowerShell, Virtualization, Windows, Windows 10, Windows Terminal

A couple of days ago, I released a blog post on how you can add a PowerShell remote session in the Windows Terminal menu. In my example, I created a menu item in Windows Terminal to use PowerShell remoting to connect to an Azure virtual machine (VM). In the meantime, I got a lot of questions on how you can add an SSH connection to an Azure VM in the Windows Terminal. That is why I am going to share here, how you can add an SSH connection to an Azure VM in the Windows Terminal menu.

Scott Hanselman wrote a great blog post on how you can add tabs to open an SSH connection, so I highly recommend that you read his blog for all the details.

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Apr072020April 7, 2020April 7, 20205Commentsby Thomas Maurer
PowerShell Remoting over SSH in PowerShell 7

Enable PowerShell SSH Remoting in PowerShell 7

Posted in Microsoft, PowerShell, Windows, Windows 10, Windows Server, Windows Server 2019, Windows Terminal

In this blog post, we will have a look at how you can enable and set up PowerShell SSH Remoting or PowerShell Remoting over SSh with PowerShell 7. With PowerShell Core 6, Microsoft introduced PowerShell 7 Remoting over SSH, which allows true multiplatform PowerShell remoting between Linux, macOS, and Windows. PowerShell SSH Remoting creates a PowerShell host process on the target machine as an SSH subsystem. Normally, Windows PowerShell remoting uses WinRM for connection negotiation and data transport. However, WinRM is only available on Windows-based machines.

There are also some downsides to it. SSH-based remoting doesn’t currently support remote endpoint configuration and JEA (Just Enough Administration). It is also important to understand that this is not just another PowerShell SSH client.

Use SSH Transport with PowerShell Remoting

To use PowerShell 7 remoting with SSH on Windows, Linux, and macOS machines, you can use the same cmdlets you are already familiar from Windows PowerShell remoting with WinRM.

  • New-PSSession
  • Enter-PSSession
  • Invoke-Command

There are three new parameters for these cmdlets if you are using PowerShell SSH remoting.

  • -HostName (Instead of -Computername, you define the SSH target)
  • -UserName (Instead of -Credentials you use the -UserName parameter)
  • -KeyFilePath (If you are using SSH key authentication you can use the -KeyFilePath parameter to point to the key file)
New-PSSession -HostName tomsssh.server.com -UserName thomas
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Mar102020March 10, 2020March 10, 20205Commentsby Thomas Maurer
Visual Studio Code Azure Virtual Machines Extension

Create and Manage Azure VMs from VS Code

Posted in Cloud, Microsoft, Microsoft Azure, Virtualization, Visual Studio Code

With the new Azure Virtual Machines (VMs) extension for Visual Studio Code (VS Code), you can now create and manage Azure VMs directly from VS Code. This is a great new extension if you are working with VS Code and Microsoft Azure. The extension is currently in preview and lets you view, create, delete, start and stop Azure Virtual machines, as well as adding SSH keys to existing Azure VMs.

Get started

To get started with the Azure Virtual Machine extension in Visual Studio Code, simply follow these steps:

  1. Download and install the Azure Virtual Machines extension for Visual Studio Code
  2. Once complete, you’ll see an Azure icon in the Activity Bar
  3. Sign in to your Azure account by clicking Sign in to Azure. If you don’t have an Azure account yet, you can create a free Azure account here.
Free Azure Account

Free Azure Account

If you don’t have an Azure account yet, you can sign up today for your free Azure account and receive 12 months of free popular services, $200 free credit, and 25+ always free services.

Create an Azure VM in VS Code

You can now create Azure VMs directly from Visual Studio Code. The wizard will ask you for a VM name, username, Azure region, and passphrase.

VS Code creating Azure Virtual Machines

VS Code creating Azure Virtual Machines

This will create an Azure VM Standard D2s V3 (2 CPU Cores & 8 GB of ram) with the image Ubuntu 18.04-LTS. An SSH key will be created, and your SSH Config file (~/.ssh/config) will be updated so you can immediately connect via SSH ($ ssh vm-name) or using the Remote-SSH extension. You can find more information about how you can connect to Azure VM using Visual Studio Code in my blog post.

Azure VM management in VS Code

Azure VM management in VS Code

Having the possibility to manage Azure VMs and connect with them directly within Visual Studio makes working with these tools and Azure much more convenient.

I hope you can go and try out the Azure VM extension for VS Code. If you have any questions, please feel free to leave a comment.


Jul222019July 22, 2019July 22, 20190Commentby Thomas Maurer
SSH Remote Edit File with Visual Studio Code

Remote Edit Files on Azure Linux VMs using VS Code

Posted in Cloud, Containers, Microsoft, Microsoft Azure, Virtualization, Visual Studio, Visual Studio Code, Windows, Windows 10

There are a lot of different ways to remote manage your Azure virtual machines using various tools and technics. In this blog post, I am going to show you how you can remotely edit files on Azure Linux virtual machines using Visual Studio Code. Visual Studio Code has a new Remote Development Extention which allows you to open any folder in a container, on a remote computer, or in the Windows Subsystem for Linux (WSL) and take advantage of the VS Code feature set. With the Remote – SSH extensions, you can easily browse and edit files on an Azure VM or any other system where you can connect using SSH.

Installation

As mentioned to edit the files on the Azure Linux virtual machine remotely, we are using the light-weight, cross-platform, opensource editor Visual Studio Code. You can download and install VS Code from the official website.

Visual Studio Code Remote Development Extension

In addition to Visual Studio code, we need to install the Remote – SSH extension, which comes with Remote Development Extension Pack. This also includes remote extensions for containers or the Windows Subsystem for Linux (WSL).

If you are running on a Windows 10 machine, you will also need to install the OpenSSH client on your machine. You can do that going through this blog post, or by running this command.

# Install the OpenSSH Client
Add-WindowsCapability -Online -Name OpenSSH.Client~~~~0.0.1.0

Azure VM connection using SSH

The Remote – SSH extensions currently only supports connecting to x86_64 Linux-based SSH servers using key-based authentication.

Optional: Create Azure Linux VM with key-based SSH authentication using the Azure CLI

Create Azure Linux VM Azure CLI SSH Keys DNS Name

If you want to try it out, and you haven’t set up a Linux VM SSH and key-based authentication. This Azure CLI command here helps you to create a new Azure virtual machine and sets up ssh keys as well as an optional unique Azure DNS name.

az vm create --resource-group demosshvm --name tomsVM --image UbuntuLTS --admin-username thomas --generate-ssh-keys --public-ip-address-dns-name tomsazurelinuxvm

In this example, you can use the public IP address or the Azure FQDN to connect to the Azure VM. If you have a VPN or Express Route set up, you can also use private IP addresses and DNS names. If you are using public IP addresses in production, make sure you are using a service like Azure Just in Time VM access.

Connect Visual Studio Code to Azure VM using SSH

After you have installed Visual Studio Code, the Remote – SSH extension, the SSH client and have a VM with key-based authentication, you can now easily connect. Open Visual Studio Code, on the bottom left, you see the Remote connection button. If you press it, you will find the remoting options. Select “Remote-SSH: Connect to Host…”

Visual Studio Open Remote SSH Connection

This will ask you for the username and IP address or DNS name of the virtual machine. In my case, I am going to use the DNS name.

Visual Studio Code SSH Remoting Connection

 

After pressing enter, this will connect your Visual Studio Code environment to the Azure virtual machine.

Visual Studio Code SSH Connection

 

Remote edit files on Azure Linux VMs using VS Code

You can start opening folders and files on the remote Azure Linux VM and begin browsing the file system. On the bottom left, you see the name or IP address of the machine you are connected with.

SSH Remote File System Visual Studio Code

You can also open files and start remote edit files on your Azure Linux VM. If you save the changes you made to the file, this is directly saved on the remote Azure virtual machine.

SSH Remote Edit File with Visual Studio Code

You get all the advanced VS Code features you know from your local Visual Studio Code like syntax-highlighting and more.

I hope this shows you an easy way to remotely edit files on your Azure Linux virtual machines using Visual Studio Code and SSH. If you have any questions, please let me know in the comments.


Jun182019June 18, 2019June 18, 201921Commentsby Thomas Maurer
Azure Bastion Windows VM

Azure Bastion – Private RDP and SSH access to Azure VMs

Posted in Cloud, Microsoft, Microsoft Azure, Virtualization, Windows, Windows Server, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Work

Azure Bastion is a new service which enables you to have private and fully managed RDP and SSH access to your Azure virtual machines. If you wanted to access your Azure virtual machines using RDP or SSH today, and you were not using a VPN connection, you had to assign a public IP address to the virtual machine. You were able to secure the connection using Azure Just in Time VM access in Azure Security Center. However, this had still some drawbacks. With Azure Bastion you get a private and fully managed service, which you deploy to your Virtual Network, which then allows you to access your VMs directly from the Azure portal using your browser over SSL.

Azure Bastion Architecture

Source: Microsoft Docs

Azure Bastion brings a couple of advantages

  • Removes requirement for a Remote Desktop (RDP) client on your local machine
  • Removes element for a local SSH client
  • No need for local RDP or SSH ports (handy when your company blocks it)
  • Uses secure SSL/TLS encryption
  • No need to assign public IP addresses to your Azure Virtual Machine
  • Works in basically any modern browser on any device (Windows, macOS, Linux, etc.)
  • Better hardening and more straightforward Network Security Group (NSG) management
  • Can remove the need for a Jumpbox

If you want to know more directly here is the link to the Azure Bastion announcement blog and the Microsoft Docs.

Public Preview

Azure Bastion is currently in public preview. The public preview is limited to the following Azure public regions:

  • West US
  • East US
  • West Europe
  • South Central US
  • Australia East
  • Japan East

To participate in this preview, you need to register. Use these steps to register for the preview:

Register-AzureRmProviderFeature -FeatureName AllowBastionHost -ProviderNamespace Microsoft.Network
 
Register-AzureRmResourceProvider -ProviderNamespace Microsoft.Network
 
Get-AzureRmProviderFeature -ProviderNamespace Microsoft.Network

To use the Azure Bastion service, you will also need to use the Azure Portal – Preview.

How to set up an Azure Bastion host for a private RDP and SSH access to Azure VMs

Create Azure Bastion Host

First, you will need to deploy Bastion Host in your virtual network (VNet). The Azure Bastion Host will need at least a /27 subnet.

AzureBastionSubnet

Access Azure virtual machines using Azure Bastion

Azure Bastion integrates natively in the Azure portal. The platform will automatically be detected if Bastion is deployed to the virtual network your virtual machine is in. To connect to a virtual machine, click on the connect button for the virtual machine. Now you can enter your username and password for the virtual machine.

Azure Portal connect to Linux VM SSH

This will now open up a web-based SSL RDP session in the Azure portal to the virtual machine. Again, there is no need to have a public IP address assigned to your virtual machine.

Private access to Azure Linux VM

 

Roadmap – more to come

As Yousef Khalidi (CVP Azure Networking) mentions in his preview announcement blog, the team will add more great capabilities, like Azure Active Directory and MFA support, as well as support for native RDP and SSH clients.

The Azure networking and compute team are doing more great work on creating a great Azure IaaS experience. I hope this gives you an overview of how you can get a private RDP or SSH access to your Azure VM. If you want to know more about the Azure Bastion service, check out the Microsoft Docs for more information. If you have any questions, feel free to leave a comment.


Apr042019April 4, 2019April 4, 20193Commentsby Thomas Maurer
PowerShell SSH Remoting Linux to Windows

Setup PowerShell SSH Remoting in PowerShell 6

Posted in Microsoft, PowerShell, Windows, Windows 10, Windows Server, Windows Server 2019, Work

With PowerShell version 6, Microsoft introduced PowerShell Remoting over SSH, which allows true multiplatform PowerShell remoting between Linux, macOS and Windows. PowerShell SSH Remoting creates a PowerShell host process on the target machine as an SSH subsystem. Normally, PowerShell remoting uses WinRM for connection negotiation and data transport, however WinRM is only available on Windows based machines.

There are also some downsides to it. SSH-based remoting doesn’t currently support remote endpoint configuration and JEA (Just Enough Administration). It is also important to understand, that this is not just another PowerShell SSH client.

Use SSH Transport with PowerShell Remoting

To use PowerShell remoting with SSH you can use the same cmdlets, you know from PowerShell remoting with WinRM.

  • New-PSSession
  • Enter-PSSession
  • Invoke-Command

There are 3 new parameters for these cmdlets, if you are using PowerShell SSH remoting.

  • -HostName (Instead of -Computername, you define the SSH target)
  • -UserName (Instead of -Credentials you use the -UserName parameter)
  • -KeyFilePath (If you are using SSH key authentication you can use the -KeyFilePath parameter to point to the key file)
 
New-PSSession -HostName tomsssh.server.com -UserName thomas
Read More

Jan082019January 8, 2019September 22, 201923Commentsby Thomas Maurer
Mastering Azure with Cloud Shell

Mastering Azure with Cloud Shell

Posted in Cloud, Microsoft, Microsoft Azure, PowerShell, Visual Studio, Visual Studio Code, Windows Terminal, Work

There are multiple ways to interact and manage resources in Microsoft Azure. You can use the Azure Portal or command line tools like the Azure PowerShell module or the Azure CLI, which you can install on your local machine. However, to set up a cloud management workstation for administrators and developers can be quite a lot of work. Especially if you have multiple computers, keeping consistency between these machines can be challenging. Another challenge is keeping the environment secure and all the tools up to date. The Azure Cloud Shell addresses this any many more things.

Cloud Shell is not brand new, Microsoft announced Cloud Shell at Build 2017. This blog post is about how you can master Azure with Cloud Shell and give you an overview of the possibilities of Cloud Shell.

 

What is Cloud Shell

Cloud Shell Azure Portal

Cloud Shell offers a browser-accessible, pre-configured shell experience for managing Azure resources without the overhead of installing, versioning, and maintaining a machine yourself. Azure Cloud Shell is assigned per unique user account and automatically authenticated with each session. This makes it a private and secure environment.

You get a modern web-based command line experience which can be accessed from several endpoints like the Azure Portal, shell.azure.com and the Azure mobile app, Visual Studio Code or directly in the Azure docs.

In the backend, Azure uses containers and automatically attaches an Azure File Share to the container. You can store the data on it, so your data is persistent. This persists your data across different Cloud Shell sessions.

Cloud Shell Bash and PowerShell

You can choose your preferred shell experience. Cloud Shell supports Bash and PowerShell and included your favorite third-party tools and standard tools and languages. If something like a module is missing, you can add it.

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    Thomas Maurer

    My name is Thomas Maurer. I am a Senior Cloud Advocate at Microsoft. I am part of the Azure engineering team (Cloud + AI) and engage with the community and customers around the world. I am located in Switzerland. I am focusing on Microsoft technologies, especially cloud and datacenter solutions based on Microsoft Azure, Azure Stack and Windows Server. Opinions are my own.

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