feat(ins): add troubleshooting index (#4580)

* feat(ins): add troubleshooting index

* Update menu/navigation.json

* Apply suggestions from code review

Co-authored-by: Jessica <[email protected]>

* Update pages/instances/troubleshooting/index.mdx

Co-authored-by: Jessica <[email protected]>

* Update pages/instances/troubleshooting/index.mdx

Co-authored-by: Jessica <[email protected]>

---------

Co-authored-by: Jessica <[email protected]>

Author: bene2k1

pages/instances/troubleshooting/index.mdx

@@ -1,8 +1,79 @@
 ---
 meta:
   title: Instances - Troubleshooting
-  description: Instances Troubleshooting
+  description: Find troubleshooting resources for resolving issues with Scaleway Instances.
 content:
-  h1: Instances - Troubleshooting
-  paragraph: Instances Troubleshooting
+  paragraph: Find troubleshooting resources for resolving issues with Scaleway Instances.
+dates:
+  posted: 2025-03-10
+categories:
+  - instances
 ---
+
+<ProductHeader
+  productName="Instances troubleshooting"
+  productLogo="instance"
+  description="Learn how to fix the most common issues with Scaleway Instances."
+/>
+
+## Featured Pages
+
+<Grid>
+    <DefaultCard
+      title="Instances FAQ"
+      description="General info on Instances."
+      url="/faq/instances/"
+      label="See more"
+    />
+    <DefaultCard
+      title="Choosing the best Scaleway Instance type for your workload"
+      description="Compare pricing and functioning to choose the best Instance type for your use case."
+      url="/instances/reference-content/choosing-instance-type/"
+      label="See more"
+    />
+    <DefaultCard
+      title="Instances datasheet"
+      description="Compare technical specifications with the Instances datasheet."
+      url="/instances/reference-content/instances-datasheet/"
+      label="See more"
+    />
+</Grid>
+<Grid>
+    <DefaultCard
+      title="Understanding the differences between ARM and x86 Instances"
+      description="Understand the architectural differences between x96 and ARM CPUs."
+      url="/instances/reference-content/understanding-differences-x86-arm/"
+      label="See more"
+    />
+    <DefaultCard
+      title="Understanding Scaleway Instance pricing"
+      description="Learn about pricing and understand how you will be billed when using Instances."
+      url="/instances/reference-content/understanding-instance-pricing/"
+      label="See more"
+    />
+    <DefaultCard
+      title="Instances internet and Block Storage bandwidth overview"
+      description="Learn about the technical aspects of internet and Block Storage bandwidth of Instance types."
+      url="/instances/reference-content/instances-bandwidth-overview/"
+      label="See more"
+    />
+</Grid>
+
+## Instances troubleshooting pages
+
+- [Dealing with the end of life of the bootscript feature](/instances/troubleshooting/bootscript-eol/)
+- [Troubleshooting SSH connection issues to Instances](/instances/troubleshooting/cant-connect-ssh/)
+- [I cannot connect to my Instance using SSH after attaching it to a Private Network](/instances/troubleshooting/cant-connect-to-instance-with-pn-gateway/)
+- [Changing the rescue mode of your Instance](/instances/troubleshooting/change-rescue-mode/)
+- [Fix broken VPN when switching OpenVPN Instance to routed IP](/instances/troubleshooting/fix-broken-vpn-when-switching-openvpn-vm-to-routed-ip/)
+- [Fix the wrong user configuration of cloud-init on Debian 12 (Bookworm)](/instances/troubleshooting/fix-cloud-init-debian12/)
+- [Fix common issues with Scaleway Instances](/instances/troubleshooting/fix-common-issues/)
+- [Fixing DNS resolution with a routed IPv6-only setup on Debian Bullseye](/instances/troubleshooting/fix-dns-routed-ipv6-only-debian-bullseye/)
+- [Fix error when fetching SSH keys on Windows Server 2022](/instances/troubleshooting/fix-error-message-in-scw-fetch-ssh-keys/)
+- [Fix long delays when booting without a public IP](/instances/troubleshooting/fix-long-delays-booting-without-public-ip/)
+- [Fix lost IPv6 connectivity on old Debian Buster images when migrating to routed IP](/instances/troubleshooting/fix-lost-ip-connectivity-on-debian-buster/)
+- [Fixing wrong PPA configuration on Ubuntu Noble Instances](/instances/troubleshooting/fix-noble-wrong-ppa-configuration/)
+- [Fix unreachable Ubuntu Focal Instance when it has two public IP adresses](/instances/troubleshooting/fix-unreachable-focal-with-two-public-ips/)
+- [Fix unreachable IPv6 RHEL-based Instances after transitioning to routed IP](/instances/troubleshooting/fix-unreachable-ipv6-rhel-based-instance/)
+- [Fix unreachable Ubuntu Noble Instances following a reboot](/instances/troubleshooting/fix-unreachable-noble-after-reboot/)
+- [Troubleshooting issues with faulty kernel installations](/instances/troubleshooting/reboot-from-faulty-kernel/)