Debian Google Cloud Putty Generate Ssh Key

Posted : admin On 29.05.2020

PuTTYgen is used to generate public or private key pair for creating SSH keys. Below is the complete guidance about how to generate RSA key in the Windows operating system: Once you install the PuTTY on your machine, you can easily run PuTTYgen. For the same, go to Windows - Start Menu - All Programs - PuTTY - PuTTYgen. Generate RSA keys with SSH by using PuTTYgen. Last updated on: 2016-06-23; Authored by: Rackspace Support; One effective way of securing SSH access to your cloud server is to use a public-private key pair. Mar 03, 2020 Generating a key pair on Windows. Make sure that PuTTY is installed on your local system. Start PuTTYGen from the Windows Start Menu. In the window that opens, select the key type from the Parameters field. Click Generate. PuTTYGen displays the generated public key string. Specify a passphrase to protect the key pair. Aug 27, 2019 There are two ways you can make an SSH connection using PuTTY to GCP provisioned Linux Compute Instance: - Generate Public / Private SSH.

Install Ssh On Debian
Debian Google Cloud Putty Generate Ssh Key Password
Debian Google Cloud Putty Generate Ssh Keys

Feb 09, 2016 Tour: Google Developer Console: How to Generate and Add SSH Key For Linux Virtual Machine on Google Cloud @googlecloud @google Step 1. Search Putty Step 2. PuTTYgen is an key generator tool for creating SSH keys for PuTTY. It is analogous to the ssh-keygen tool used in some other SSH implementations. The basic function is to create public and private key pairs. PuTTY stores keys in its own format in.ppk files. However, the tool can also convert keys to and from other formats. Jul 14, 2019 SSH into Google Cloud using PuTTy. PuTTY is a free and open-source terminal emulator, serial console and network file transfer application. Simply if you want to connect and execute commands on a remote Linux/Unix server, You will have to use PuTTY software.

I need to set and test my web-app using Google cloud compute engine. How do I connect to an Instance Using ssh on Ubuntu Linux or Apple OS X based system?
By default, you can always connect to an instance using ssh. This is useful so you can manage and configure your instances beyond the basic configuration enabled by gcutil or the REST API. The easiest way to ssh into an instance is to use gcutil command from your local Linux / OS X based systems. The following steps are required

Step #1: Install gcutil

gcutil runs on UNIX-based operating systems such as Linux and Mac OS X. To use gcutil, you must have Python 2.6.x or 2.7.x installed on your computer. gcutil does not support Python 3.x. Python is installed by default on most Linux distributions and Mac OS X. Open the Terminal and type the following command or to grab gcutil tool visiting this url.

Debian / Ubuntu / RHEL / CentOS Linux/OS X UNIX user type the following commands:

Open a terminal and type:
## Download IT ## $ wget https://dl.google.com/dl/cloudsdk/release/google-cloud-sdk.tar.gz $ tar -zxvf google-cloud-sdk.tar.gz ## INSTALL IT ## $ bash google-cloud-sdk/install.sh
Sample outputs:

See how to install gcutil tool to manage Google Compute Engine on Linux / Unix for more information.

Step #2: Authenticating to Google Compute Engine

The syntax is:

If your project id is “apache-cluster”, enter:

Sample outputs:
Open a web browser, and go to the specified URL. Click the Grant Access link. The page will display an authorization code. Copy this code. Paste the authorization code into the waiting gcutil auth terminal and press enter. Type the following command to cache project-id:

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Step #3: Verify instance status

Type the following command:
$ gcloud compute instances list
Sample outputs:

Note: instance-1 instance running in asia-east1-c zone.

Step #4: Create ssh keys

The syntax is:

In this example, connect to db1 instance using ssh:
$ gcloud compute ssh db1

gcutil creates local files to store your public and private key, and copies your public key to the project. By default, gcutil stores ssh keys in the following files on your local system:

$HOME/.ssh/google_compute_engine – Your private key
$HOME/.ssh/google_compute_engine.pub – Your public key

Step #5: Connect using gcutil or ssh client

The syntax is:

In this example, connect to the ‘instance-1’ instance using gcloud tool:

Sample outputs:

In this example, connect to the db1 (public ip 1.2.3.4) instance using ssh command:

Sample sessions:

To SSH into ‘db3’ in zone asia-east1-c, run:
gcloud compute ssh db3 --zone asia-east1-c

You can also run a command on the virtual machine. For example, to get a snapshot of the guest’s process tree, run:
gcloud compute ssh db3 --zone asia-east1-c --command 'ps -ejH'

If you are using the Google container virtual machine image, you can SSH into one of your containers with:
gcloud compute ssh db3 --zone asia-east1-c --container CONTAINER

How do I login as root user?

For security reasons, the standard Google do not provide the ability to ssh in directly as root. The instance creator and any users that were added using the –authorized_ssh_keys flag or the metadata sshKeys value are automatically administrators to the account, with the ability to run sudo without requiring a password. Type the following command to switch to root user:

Sample session:

Optional: Update your gcloud tools

Type the following command:

Sample outputs:

References:

Install Ssh On Debian

$HOME/.bash_profile file example.
Google Compute Engine documentation.
Man pages: bash(1)

Generate RSA keys with SSH by using PuTTYgen

One effective way of securing SSH access to your cloud server is to usea public-private key pair. This means that a public key is placed onthe server and a private key is placed on your local workstation.Using a key pair makes it impossible for someone to log in by using justa password, as long as you set up SSH to deny password-basedauthentication.

This article provides steps for generating RSA keys by using PuTTYgen onWindows for secure SSH authentication with OpenSSH.

Generate keys

In Windows, use PuTTYgen to generate your public and private keys.

If needed, download PuTTYgen from the PuTTY download page.(PuTTYgen might have been installed previously with PuTTY or WinSCP.)
Launch the program, and then click the Generate button.The program generates the keys for you.
Enter a unique key passphrase in the Key passphrase andConfirm passphrase fields.For additional information about using passphrases,see Log in with a SSH Private Key on Windows.
Save the public and private keys by clicking the Save public keyand Save private key buttons.
From the Public key for pasting into OpenSSH authorized_keys filefield at the top of the window, copy all the text (starting with ssh-rsa)to your clipboard by pressing Ctrl-C.You need this key available on your clipboard to paste eitherinto the public key tool in the Control Panel or directly into theauthorized keys on your cloud server.

Use the key pair

You can use the RSA key pair in the following ways.

Specify your SSH key when creating a new cloud server

When you create a cloud server, you can assign a public key from the list of keys.If your key is not already in the list, you may add it, and then assign it.

Add a new public key to the list

Under Advanced Options on the Create Server page, click Manage SSHKeys.
Select public key for the cloud server from the SSH Keys listand click Add Public Key.
Enter the key name, select the region, and paste the entire publickey into the Public Key field. Then click Add Public Key.
Go back to the Create Server page, and confirm that your key is listedin the SSH Key list.

Assign a public key

Under Advanced Options on the Create Server page, select the publickey you want to use from the SSH key drop-down menu.
When you are done specifying the all the other details for the server,click Create Server.

Assign your SSH Key to an existing cloud server

To make use of your newly generated RSA key pair, you must tell PuTTY touse it when connecting to your cloud server.

To edit the file (or create it), run the following command on the cloud server:
Paste the text onto its own line in the file.
You must have the key available in your clipboard to paste it. The key and itsassociated text (the ssh-rsa identified at the start and the comment at the end)must be on one line in the file. If the text is word-wrapped onto multiple linesan error might occur when connecting.
If you created the authorized_keys file, change its permissionsafter you’re done editing it by running the following command:
Open PuTTY, and go to the SSH > Auth section.
Browse to the location of the key file, and load the private key.
Go to the Session page, and save the session. This saves the configurationso that PuTTY uses the key every time that you connect to your cloudserver.

After you save your session, your key is loaded automatically when youconnect to your server.