# Most Popular Product Guides

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><mark style="color:blue;"><strong>Database Migration</strong></mark></td><td>Learn how to migrate your MongoDB database using the v1 API.</td><td><a href="/pages/Bm1tMySAnFrwEQpE5DMp">/pages/Bm1tMySAnFrwEQpE5DMp</a></td></tr><tr><td><mark style="color:blue;"><strong>High Availability and Scaling</strong></mark></td><td>Learn about high availability and scaling options for MariaDB clusters.</td><td><a href="/pages/ExTDVmA2bvMHMHIHw7xS">/pages/ExTDVmA2bvMHMHIHw7xS</a></td></tr><tr><td><mark style="color:blue;"><strong>User Privileges (MariaDB)</strong></mark></td><td>Learn how to manage user privileges for MariaDB databases.</td><td><a href="/pages/KZ47EnjC7wNuPcv5Hd82">/pages/KZ47EnjC7wNuPcv5Hd82</a></td></tr><tr><td><mark style="color:blue;"><strong>Create a Default Network Security Group</strong></mark></td><td>Learn how to create a default Network Security Group using the API.</td><td><a href="/pages/yd8zR2tuROnRcFPVm0Wr">/pages/yd8zR2tuROnRcFPVm0Wr</a></td></tr><tr><td><mark style="color:blue;"><strong>Set User Privileges for VPN Gateway</strong></mark></td><td>Learn how to set user privileges for the VPN Gateway in the DCD.</td><td><a href="/pages/z3QMieO3FqPdqx3ljICq">/pages/z3QMieO3FqPdqx3ljICq</a></td></tr><tr><td><mark style="color:blue;"><strong>Manage Cross Connects and Permissions</strong></mark></td><td>Learn how to manage Cross-Connect connections between data centers.</td><td><a href="/pages/BA8wgalq70byvi6xuCux">/pages/BA8wgalq70byvi6xuCux</a></td></tr><tr><td><mark style="color:blue;"><strong>Create Registry Token</strong></mark></td><td>Learn how to create an access token for the Private Container Registry using the API.</td><td><a href="/pages/PLHwutvcggTR2RnxqzYu">/pages/PLHwutvcggTR2RnxqzYu</a></td></tr><tr><td><mark style="color:blue;"><strong>Download Kubeconfig</strong></mark></td><td>Learn how to download a kubeconfig file for a Managed Kubernetes cluster.</td><td><a href="/pages/bWkWMqIA5oLUwdixnrkJ">/pages/bWkWMqIA5oLUwdixnrkJ</a></td></tr><tr><td><mark style="color:blue;"><strong>Restore a MariaDB Cluster from a Backup</strong></mark></td><td>Learn how to restore a MariaDB cluster from a backup in the DCD.</td><td><a href="/pages/QM3LICVnGKFEySu1pOQQ">/pages/QM3LICVnGKFEySu1pOQQ</a></td></tr><tr><td><mark style="color:blue;"><strong>Images and Snapshots FAQ</strong></mark></td><td>Learn about frequently asked questions for IONOS Cloud images and snapshots.</td><td><a href="/pages/7u9xDuu4INlsr4B0ys0f">/pages/7u9xDuu4INlsr4B0ys0f</a></td></tr></tbody></table>


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