Configure new SSH authorization key for Linux on Azure

If you would like to use SSH with Linux virtual machines on Azure, there is a great documentation here. One question I have seen in the forum, which is not clearly explained in the documentation is, how do we add a new SSH authorization key, if we missed adding the SSH file, during the creation of virtual machine.

Giving the steps I have followed to setup a new SSH authorization key below:

Step 1: I created a Linux VM (Ubuntu 14) on Azure using quick create VM (linuxvmforssh.cloudapp.net).

Step 2: Executed following commands from Git shell on my Windows 8.1 laptop

GIT> ssh-keygen -t rsa -b 2048 -v -f azurecert.key
	
GIT> scp azurecert.key.pub azureuser@linuxvmforssh.cloudapp.net:/home/azureuser

GIT> ssh azureuser@linuxvmforssh.cloudapp.net

azureuser@linuxvmforssh:~$ cat azurecert.key.pub >> .ssh/authorized_keys

azureuser@linuxvmforssh:~$ sudo service ssh restart

azureuser@linuxvmforssh:~$ exit

GIT> ssh -i azurecert.key azureuser@linuxvmforssh.cloudapp.net

Hope this helps you to setup new SSH authorized keys for your Linux virtual machines.

About Manesh

Manesh is a software consultant and solutions architect specializing in cloud, data, Linux and devops in the azure realm with key focus on hybrid workloads. He has been working on Azure technologies since its inception and has helped many enterprises to onboard and adapt to Azure cloud, build solutions for datacenter scale / high consumer applications and services. Currently, he is Microsoft certified for Developing Microsoft Azure Solutions (70-532), Implementing Microsoft Azure Infrastructure Solutions(70-533) and Architecting Microsoft Azure Solutions (70-534).

Posted on 2015/02/24, in Microsoft Azure and tagged , , , , . Bookmark the permalink. Leave a comment.

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