feat(ins): troubleshooting

Author: bene2k1

compute/instances/troubleshooting/fix-common-issues.mdx

@@ -67,10 +67,10 @@ This page list the most common issues you may encounter with your Scaleway Insta
    - Restart the Instance if it’s not responding.
 - Verify the Instance's public IP address:
    - Confirm that the IP in the Scaleway console matches the IP you are using for the connection.
-- Review security groups and local firewalls
+- Review security groups and local firewalls:
    - Make sure the default Security Group allows SSH or RDP inbound traffic.
    - Check your local firewall to ensure outbound SSH (port `22`) or RDP (port `3389`) is allowed.
-- Use the Scaleway console to connect to your Instance
+- Use the Scaleway console to connect to your Instance:
    - Try using Scaleway’s web-based terminal in the console to rule out local network issues.
 
 ### Additional resources
@@ -98,12 +98,12 @@ This page list the most common issues you may encounter with your Scaleway Insta
      chmod 600 ~/.ssh/id_rsa
      ```
    - Verify that the user and group ownership are correct.
-- Verify the correct username
+- Verify the correct username:
    - By default, Scaleway Instances use the `root` user. Check if you have created a new user with sudo privileges and if so, use that username.
-- Inspect the Instance’s SSH configuration
+- Inspect the Instance’s SSH configuration:
    - If you can connect via another method or console, check `/etc/ssh/sshd_config` for lines such as `PasswordAuthentication`, `PubkeyAuthentication`, and `PermitRootLogin`.
    - Make sure `PubkeyAuthentication yes` is set.
-- Re-add your SSH Key in the Scaleway console
+- Re-add your SSH Key in the Scaleway console:
    - Go to the [SSH keys](https://console.scaleway.com/project/ssh-keys) tab in the **Project** section of theScaleway console, remove the old SSH key, then add your new, correct public key.
    - Restart your Instance to re-upload the list of allowed SSH keys.