Add remote host setup for nitro contracts README

l2-setup/README.md

@@ -6,7 +6,7 @@ To get started, follow the [installation](../README.md#installation) guide to se
 
 ## Setup Remote Hosts
 
-To run the playbooks on a remote machine, follow these steps:
+To run the playbook on a remote machine, follow these steps:
 
 - In the [`l2-setup`](./) directory, create a new file named hosts.ini:
 
@@ -18,17 +18,27 @@ To run the playbooks on a remote machine, follow these steps:
 
    ```bash
   [nitro_host]
-  hostname ansible_host= ansible_user= ansible_ssh_common_args='-o ForwardAgent=yes'
+  <host_name> ansible_host=<TARGET_IP> ansible_user=<SSH_USER> ansible_ssh_common_args='-o ForwardAgent=yes'
    ```
 
-  - Replace `host_name` with the alias of your choice.
+  - Replace `<host_name>` with the alias of your choice.
   - Replace `<TARGET_IP>` with the IP address or hostname of the target machine.
   - Replace `<SSH_USER>` with the SSH username (e.g., dev, ubuntu).
 
 - Verify that you are able to connect to the host using the following command
 
   ```bash
-  ansible all -m ping -i hosts.ini
+  ansible all -m ping -i hosts.ini -k
+
+  # Expected output:
+
+  # <host_name> | SUCCESS => {
+  #  "ansible_facts": {
+  #      "discovered_interpreter_python": "/usr/bin/python3.10"
+  #  },
+  #  "changed": false,
+  #  "ping": "pong"
+  # }
   ```
 
 ## Setup and Run Optimism