LDMSCON2021 LOGIN

LINUX Users

1. Place the key files (e.g. user64_id_rsa and user64_id_rsa.pub) into the ~/.ssh/ directory.

2. Add the following entries to ~/.ssh/config

Host ldmscon2021
    Hostname ogc.us
    Port 65422
    User user64  # <-------------------------- Change to the assigned username
    IdentityFile ~/.ssh/user64_id_rsa  # <---- Change to the assigned key file
    IdentitiesOnly yes

3. ssh:

$ ssh ldmscon2021

[sshd:] (git-branch: --)
user64@headnode ~
$

WINDOWS Users

For Installed/Pre-existing Linux Applications

1. Start a Linux application (ex: MobaXterm) session.
2. Create an .ssh directory
   • $mkdir ~/.ssh
3. Copy downloaded keys from Windows Downloads to Linux (e.g. MobaXterm) session (in ~/.ssh/)
   • $cp C:/Users/<username>/Downloads/user<#>_id_rsa ~/.ssh/
   • $cp C:/Users/<username>/Downloads/user<#>_id_rsa.pub ~/.ssh/
4. Created the following “config” file in ~/.ssh/

Host ldmscon2021
    Hostname ogc.us
    Port 65422
    User user<#>  # <-------------------------- Change to the assigned username
    IdentityFile ~/.ssh/user<#>_id_rsa  # <---- Change to the assigned key file
    IdentitiesOnly yes

5. ssh:

$ ssh ldmscon2021

[sshd:] (git-branch: --)
user64@headnode ~
$

For Windows CMD

1. Create a folder called ".ssh" in C:\Users\<username>\ with file explorer
2. Download the keys user<#>_id_rsa and user<#>_id_rsa.pub
3. Copy keys from C:\Users\<username>\Downloads\ to C:\Users\<username>\.ssh
4. Create a new file called config (no extension) in C:\Users\<username>\.ssh with the following:

Host ldmscon2021
    Hostname ogc.us
    Port 65422
    User user64  # <-------------------------- Change to the assigned username
    IdentityFile ~/.ssh/user64_id_rsa  # <---- Change to the assigned key file 
    IdentitiesOnly yes

• NOTE: Must remove # comments for config to work.

5. Open Windows Command Prompt (i.e. cmd)
6. ssh:

C:\Users\<username>\> ssh ldmscon2021

[sshd:] (git-branch: --)
user64@headnode ~
$