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Accessing (ACCESS)

Getting started (ACCESS)

Researcher accounts on FASTER are managed through NSF ACCESS.

Getting an account on ACCESS

To get started with ACCESS and set up your ACCESS ID, please follow our instructions at Helpful Pages: Getting Started with ACCESS.

Getting an account on FASTER

Researchers can request an allocation on FASTER through ACCESS. Please see the ACCESS Active Resources page in the ACCESS documentation to learn how to apply.

Alternatively, register for one of our Training sessions on FASTER to get an account for use during the training session.

Portal login (ACCESS)

Authorized ACCESS users can log in using the Web Portal:

https://portal-faster-access.hprc.tamu.edu

To learn more about the Web Portal, please visit the Portal kb page for additional information.

SSH login (ACCESS)

Jump Host

SSH login to FASTER is available through the faster jump host for authorized ACCESS users who have supplied their SSH keys.

[user@localhost ~]$ ssh -J [username]@faster-jump.hprc.tamu.edu:8822 [username]@login.faster.hprc.tamu.edu

You can find your username under your ACCESS profile: https://allocations.access-ci.org/profile

Generating SSH Keys

If you do not already have an ed25519-type key pair, you can use the below instructions to generate your SSH keys on the host you will use to log in from. The keys should automatically be generated in $HOME/.ssh/ Do NOT change the name of the generated keys or the location

Instructions for Windows users

Please use the Windows PowerShell to generate your keys.

powershell

Once you have launched the Windows PowerShell App type:

ssh-keygen -t ed25519

The command will output the following text:

 Generating public/private ed25519 key pair.  
 Enter file in which to save the key (C:\Users\username/.ssh/id_ed25519):

If you already have a .ssh directory, the following text will not be displayed.

 Created directory 'C:\Users\username/.ssh'.

Hit Enter at the following prompt.

 Enter passphrase (empty for no passphrase):

Hit Enter at the following prompt.

 Enter same passphrase again:

More text output:

 Your identification has been saved in C:\Users\username/.ssh/id_ed25519.
 Your public key has been saved in C:\Users\username/.ssh/id_ed25519. pub.         
 The key fingerprint is:  
 SHA256:long_string_of_text_here                                                
 The key's randomart image is: 
(many lines of characters here)

Instructions for Linux and Mac users

Launch a terminal on your Linux or Mac system and type:

ssh-keygen -t ed25519

The command will output the following text:

Generating public/private ed25519 key pair.
Enter file in which to save the key (/home/abhinand/.ssh/id_ed25519):

If you already have a .ssh directory, the following text will not be displayed.

Created directory '/Users/username/.ssh'

Hit Enter at the following prompt.

Enter passphrase (empty for no passphrase):

Hit Enter at the following prompt.

Enter same passphrase again:

More text output:

Your identification has been saved in /Users/username/.ssh/id_ed25519.
Your public key has been saved in /Users/username/.ssh/id_ed25519.pub.
The key fingerprint is: 
SHA256:long_string_of_text_here                                                
The key's randomart image is: 
(many lines of characters here)

How to submit your id_ed25519.pub key?

The following link has basic instructions on how to login and upload your key:

SSH Public Keys | Operations

Here are detailed instructions:

Login to: https://registry.access-ci.org/

Click on “SSH Key: Manage your SSH keys”:

sshkeyManage

Click on Add SSH Key in the upper right hand corner:

addSSHKey

Click Choose File and navigate to the location of your id_ed25519.pub file and click on the open button. Depending on your operating system, you may need to make a copy of your id_ed25519.pub file to another directory if it is in a hidden folder.

Troubleshooting jump host

Corrupted MAC on input:

Users connecting through a Windows shell (cmd/PowerShell) may experince this error: corruptedMacOnInput

Adding the option "-m hmac-sha2-512" to your ssh command should resolve this issue:

[user@localhost ~]$ ssh -m hmac-sha2-512 -J [username]@faster-jump.hprc.tamu.edu:8822 [username]@login.faster.hprc.tamu.edu

If issues persist, contact our helpdesk at help@hprc.tamu.edu.

MobaXterm users

MobaXterm offers the capability to use a jump host to connect to a server in a secured network zone. You can configure your SSH session to use a jump host to save time with the login process.

Click on the Session tab to create a new session. Next click SSH* in the top ribbon.

Enter login.faster.hprc.tamu.edu into the Remote host * box.

Enter your ACCESS username in the Specify username box.

Open the Advanced SSH Settings tab and check the Use Private Key box. Then enter the path to your private key.

mobaXterm1

Go to the Network Settings tab and enable Connect through SSH gateway (jump host) and enter respective login data. The gateway host should be faster-jump.hprc.tamu.edu and the port should be 8822. Click OK.

Start the session by double-clicking the session login.faster.hprc.tamu.edu (username) in the left-hand ribbon or under the Sessions tab.

mobaXterm2

mobaXterm3

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