If you have a small number of team members working on some projects, then you can setup a Git server via SSH on your office and work on projects as a team very easily. You don’t have to use GitHub or any other services in that case. SSH based Git server is really easy to setup and use. In this article, I am going to show you how to configure a Git server with SSH on Ubuntu and how to use it. So, let’s get started.

• Git Generate A New Ssh Key On Server Windows 10
• Generate Ssh Key Git Bash
• Git Generate A New Ssh Key On Server Ip
• Git Generate A New Ssh Key On Server Mac
• Git Add Ssh Key
• Generate Public Ssh Key Git

Bitbucket Server administrators can set up SSH access keys to secure the Git operations that other systems perform on the repositories managed in Bitbucket Server. Using access keys avoids the need to store user credentials on another system, and means that the other system doesn't have to use a specific user account in Bitbucket Server. Copy the SSH key to your clipboard. If your SSH key file has a different name than the example code, modify the filename to match your current setup. When copying your key, don't add any newlines or whitespace. $ sudo apt-get install xclip # Downloads and installs xclip. Find or create an SSH Key for your server. The first thing that you need to do is to verify if your server has already a public key created in the.ssh directory of the user in the server, so start a SSH session to your server and type the following command: cat /.ssh/idrsa.pub.

In this section, I am going to show you how to configure an Ubuntu server as a SSH accessible Git server.
First, update the APT package repository cache with the following command:

The APT package repository cache should be updated.

Now, install OpenSSH server and Git with the following command:

Now, press Y and then press <Enter> to confirm the installation.

OpenSSH server and Git should be installed.

Now, create a new user git with the following command:

All the Git repositories will be saved in the home directory of the git user /home/git.

Now, login as the git user with the following command:

Now, create a new directory .ssh with the following command:

Now, allow only git user to have read, write, exec permissions on the directory .ssh/ as follows:

As you can see, the git user only has read (r), write (w), execute (x) permissions on the .ssh/ directory.

Now, create a new empty file .ssh/authorized_keys as follows:

Only allow read and write to the file from the git user as follows:

As you can see, only the git user has read (r) and write (w) permissions to the file .ssh/authorized_keys.

In the .ssh/authorized_keys file, you have to add the public key of the users whom you want to access the Git repositories on the Git server.

Adding Client Public Key to the Git Server:

To access the Git repositories on the Git server, the client must add his/her public key to the Git server.

The client can generate a public-private key pair as follows:

Press <Enter>.

Press <Enter>.

Press <Enter>.

Press <Enter>.

Now, the client can find his/her public key as follows:

Client’s public key should be printed. Now, the client can send this public key to the manager (who manages the Git server). The manager can then add the public key to the Git server. Then the client can access the Git server.

Git Generate A New Ssh Key On Server Windows 10

Let’s say, the client sent his/her public key to the Git server manager. The manager uploaded the public key to /tmp/shovon-key.pub file on the Git server.

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Now, the Git server manager can add the public key of the client as follows:

Now, the .ssh/authorized_keys file should have the public key of the client.

Creating Git Repositories on the Server:

The clients can’t create new Git repositories on the server. The Git server manager must create a repository on the server. Then, the clients can clone, push/pull from the repository.

Now, create a new empty Git repository testrepo on the Git server as follows:

Now, the client only needs to know the IP address of the Git server in order to access the testrepo Git repository.

The Git server manager can find this information as follows:

As you can see, the IP address of the Git server is 192.168.21.185. Now, the server manager can tell it to the clients who will be working on the project.

Cloning Git Repository from the Server:

Once the client knows the IP address and the Git repository name, he/she can clone it to his/her computer as follows:

Now, type in yes and press <Enter>. You will need to do this once, only the first time.

The testrepo Git repository should be cloned from the server.

A new directory testrepo should be created.

Making Changes and Pushing Changes to Git Server:

Now, the client can add commits to the testrepo/ repository and push the changes to the Git server.

Generate Ssh Key Git Bash

Adding a New Team Member:

Now, let’s say, bob wants to contribute to the testrepo Git repository.

All he has to do is generate a SSH key pair and send the public key to the Git server manager.

Once the Git server manager has the public key of bob, he can upload it to the Git server and add it to the .ssh/authorized_keys file as follows:

Now, bob can clone the testrepo Git repository from the server as follows:

testrepo should be cloned.

A new directory testrepo should be created in bob’s computer.

Now, bob can navigate to the Git repository as follows:

He should find some existing commits.

Now, bob can do his own work and commit it. Then, push the changes to the server.

Now, other people working on the same repository can pull the changes as follows:

He/she should find the commits that bob made.

So, this is how you configure a Git Server with SSH on Ubuntu and use it. Thanks for reading this article.

An SSH key is an access credential for the SSH (secure shell) network protocol. This authenticated and encrypted secure network protocol is used for remote communication between machines on an unsecured open network. SSH is used for remote file transfer, network management, and remote operating system access. The SSH acronym is also used to describe a set of tools used to interact with the SSH protocol.

SSH uses a pair of keys to initiate a secure handshake between remote parties. The key pair contains a public and private key. The private vs public nomenclature can be confusing as they are both called keys. It is more helpful to think of the public key as a 'lock' and the private key as the 'key'. You give the public 'lock' to remote parties to encrypt or 'lock' data. This data is then opened with the 'private' key which you hold in a secure place.

How to Create an SSH Key

SSH keys are generated through a public key cryptographic algorithm, the most common being RSA or DSA. At a very high level SSH keys are generated through a mathematical formula that takes 2 prime numbers and a random seed variable to output the public and private key. This is a one-way formula that ensures the public key can be derived from the private key but the private key cannot be derived from the public key.

Git Generate A New Ssh Key On Server Ip

SSH keys are created using a key generation tool. The SSH command line tool suite includes a keygen tool. Most git hosting providers offer guides on how to create an SSH Key.

Generate an SSH Key on Mac and Linux

Both OsX and Linux operating systems have comprehensive modern terminal applications that ship with the SSH suite installed. The process for creating an SSH key is the same between them.

1. execute the following to begin the key creation

This command will create a new SSH key using the email as a label

2. You will then be prompted to 'Enter a file in which to save the key.'
You can specify a file location or press “Enter” to accept the default file location.

3. The next prompt will ask for a secure passphrase.
A passphrase will add an additional layer of security to the SSH and will be required anytime the SSH key is used. If someone gains access to the computer that private keys are stored on, they could also gain access to any system that uses that key. Adding a passphrase to keys will prevent this scenario.

At this point, a new SSH key will have been generated at the previously specified file path.

4. Add the new SSH key to the ssh-agent

The ssh-agent is another program that is part of the SSH toolsuite. The ssh-agent is responsible for holding private keys. Think of it like a keychain. In addition to holding private keys it also brokers requests to sign SSH requests with the private keys so that private keys are never passed around unsecurly.

Before adding the new SSH key to the ssh-agent first ensure the ssh-agent is running by executing:

Once the ssh-agent is running the following command will add the new SSH key to the local SSH agent.

Git Generate A New Ssh Key On Server Mac

The new SSH key is now registered and ready to use!

Generate an SSH Key on Windows

Windows environments do not have a standard default unix shell. External shell programs will need to be installed for to have a complete keygen experience. The most straight forward option is to utilize Git Bash. Once Git Bash is installed the same steps for Linux and Mac can be followed within the Git Bash shell.

Git Add Ssh Key

Windows Linux Subsystem

Generate Public Ssh Key Git

Modern windows environments offer a windows linux subsystem. The windows linux subsystem offers a full linux shell within a traditional windows environment. If a linux subsystem is available the same steps previously discussed for Linux and Mac can be followed with in the windows linux subsystem.

Summary

SSH keys are used to authenticate secure connections. Following this guide, you will be able to create and start using an SSH key. Git is capable of using SSH keys instead of traditional password authentication when pushing or pulling to remote repositories. Modern hosted git solutions like Bitbucket support SSH key authentication.