Connect to Linux from Windows by using PuTTY (2024)

After you have created a new Cloud Server
with the Cloud Control Panel, you need to make a secure remote
connection from your local computer to your Cloud Server. This article
describes how to use a client called PuTTY to form a Secure Shell (SSH)
connection from a computer running a Microsoft® Windows® operating
system (OS) to a Linux® server.

Note: This procedure requires you to install PuTTY or another SSH client,
which you do at your own risk. PuTTY is not affiliated with
Rackspace in any way, but the software is simple to use, freely
available, and reputable.

If you are a MacOS® X user, you can
connect to a Linux server by using Terminal,
a console program included with the operating system.

For an OnMetal server, see
Create OnMetal Cloud Servers
for applicable OnMetal steps.

Windows version

See Also

Connect to a Linux server via SSHConnect to Windows VMs using RDP  |  Compute Engine Documentation  |  Google CloudHow to access to your Linux Remote Desktop | ThinLincConnect to a Linux VM - Azure Virtual Machines

The procedure and examples in this article use Windows XP, Service Pack 2.
Different versions of Windows might have slightly different interfaces.

Download PuTTY

Use the following steps to download and open PuTTY:

1. Download PuTTY from the
   PuTTY website.

   Ensure that you comply with the license requirements.

2. Launch the client.

Configure your connection

See Also

How to Use Linux Terminal in Windows - Scaler Topics

Use the following steps to configure your connection:

1. In the PuTTY Configuration window, enter the following values:

   • In the Host Name field, enter the Internet Protocol (IP) address of
     your Cloud Server.
   • Ensure that the connection type is set to SSH.
   • (Optional) In the Saved Sessions field, assign a name for
     this connection. Assigning a name saves time the next time that you use
     Putty. You can assign a different name for each of your Cloud Servers.

2. Click Open.

Accept the key

If this is the first time that you have used PuTTY to log in to your
server with SSH, a warning similar to the following one displays:

The server’s host key is not cached in the registry. You have no guaranteethat the server is the computer you think it is. The server’s rsa2 keyfingerprint is: <string>. If you trust this host, hit **Yes** to add the key toPuTTY’s cache and carry on connecting. If you want to carry on connecting justonce, without adding the key to the cache, hit No. If you do not trust thishost, hit Cancel to abandon the connection.

If you are sure that you have entered the correct information, click Yes.

Subsequent connections do not show this warning because the host key
is now cached in the registry of your local computer. You can expect to
see that warning, however, if you connect to your server from a
different computer.

Enter your username and password

After you accept the warning, the terminal prompts you for your username
and password.

If this is the first time that you are logging in to the server, you
must log in as the root user.

When you are prompted for the password for the root user, enter the
current root password for this server. The password at is not echoed to the
screen. Then, press Enter.

If you have entered the correct root password, the prompt responds with
a shell prompt:

[root@yourservername ~]#

Now you can work on your server with all permissions.

Change your root passwords

We recommend that you change the root password to something personal.
You can easily do this by using the passwd command and the following steps:

1. From the shell prompt, enter the passwd command.
2. Enter the new password that you want to set for your server. The
   password does not echo to the screen.
3. Reenter the new password and press Enter.

When you connect to your server, use this password with the root user.