<font size=6 color=blueyellow>**Login to Leonardo Booster Cluster with Temporary Username and Password**</font>

**Contribution**: <a><img src="https://img.shields.io/badge/ENCCS-blue?style=plastic"/></a>

**Categories**: <a><img src="https://img.shields.io/badge/Blogpost-996300?style=plastic"/></a> <a><img src="https://img.shields.io/badge/CINECA-green?style=plastic"/></a> <a><img src="https://img.shields.io/badge/Leonardo Booster-3232ff?style=plastic"/></a>

**Contents of this documents and quicklinks**：
[TOC]

---

# Windows Users

## <span style="background-color: cyan">PowerShell</span>

- [Install PowerShell on Windows, Linux, and macOS](https://learn.microsoft.com/en-us/powershell/scripting/install/installing-powershell?view=powershell-7.4)
- Open the PowerShell Terminal
- 
- Login the LB cluster using `ssh` command
- 
- Here ==`a08trb12`== is the temporary username. You should use the temporary username you get from the organizer of the workshop
- Input the temporary password (a 10-digit string) you get from the organizer of the workshop
- once successful, you will see the info in your PowerShell terminal
- 

## <span style="background-color: gold">MobaXterm</span>

- [Download the Home Edition of MobaXterm and install it](https://mobaxterm.mobatek.net/download.html)
- Start the MobaXterm program
- 
- Click `Session` on the upper left corner and then click `SSH` in the new window that opens.
- 
- Fill in the name of the remote host (==`login.leonardo.cineca.it`==), check *Specify username* and fill in your own username
- 
- Click *OK* and then input your temporary password
- once successful, you will see the info in your MobaXterm terminal
- 
- Your settings will be saved and you can login again by clicking on the host name under 'Saved sessions' on the start up window.
- 

---

# Mac OS Users

## <span style="background-color: pink">SSH</span>

- Launch Terminal
- Connect to the Leonardo Booster cluster by typing
- ==`ssh [e-mail] -o hashknownhosts=no`==
- here I use `a08trb12` for demonstration
- Input the password and then you will see the info in your MobaXterm terminal
- 
- There are four login nodes and you can pickup any one to login the cluster

ssh <username>@login01-ext.leonardo.cineca.it -o hashknownhosts=no
ssh <username>@login02-ext.leonardo.cineca.it -o hashknownhosts=no
ssh <username>@login05-ext.leonardo.cineca.it -o hashknownhosts=no
ssh <username>@login07-ext.leonardo.cineca.it -o hashknownhosts=no

:::danger
:::