Category: Guides

Proxmox is a Debian-based operating system for deploying and managing virtual machines using a web-interface. Its a great server environment to experiment with new operating systems or manage clusters of highly-available bitcoin and lightning nodes with nix-bitcoin. What is nix-bitcoin? nix-bitcoin is a collection of Nix packages and NixOS modules (written in the Nix programming…

Proxmox is a Debian-based operating system for deploying and managing virtual machines using a web-interface. Its a great environment to experiment with new operating systems or manage bitcoin and lightning node deployments with Umbrel. Why use a VM for Umbrel? Proxmox is also useful for managing multiple Umbrel instances. This allows you to have one…

To create an LVM (Logical Volume Manager) volume in Linux, you can follow these steps: Note: Replace “sdX” with the appropriate drive identifier for your disk, such as “sda” or “sdb”. Note: You can press “d” to delete any existing partitions beforehand Note: Replace “sdXN” with the appropriate partition identifier for the new partition, such…

If you already have a Bitcoin node with a lot of Lightning Network channels, it can be expensive to close and reopen them, especially when you consider the cost of rebalancing to restore the channel’s balance from your old node. When migrating a Lightning node to different hardware, there are risks to consider, primarily ensuring…

If you recently broadcasted a Bitcoin transaction and it is still unconfirmed, it is possible to replace it by broadcasting a second transaction that spends the same inputs at a higher fee. The bumpfee command is used to increase the fee of an existing transaction. However, it is possible to use the bumpfee command to…

In this guide you will learn how to add redundancy to your lightning network node. Since we’re just talking about hardware, many of these principals also apply to the fields of server administration and IT generally. Redundancy is not the same as backups. Backups, redundancy and watchtowers, as well as good security and privacy practice…

EDIT 2023: Due to some recent changes in Raspiblitz, this guide no longer works exactly the same. See the comments below for details. In this article, you’ll learn how to automatically manage your channel fees with charge-lnd. The Lightning Network is a free market for routing and liquidity. It’s up to each individual node to…

If you operate a Lightning Network routing node for profit, one of your biggest costs are channel opening fees. These channel opens are just regular 2-of-2 multisig bitcoin transactions. Exchanges have been batching bitcoin transactions for years to save significantly on network fees. You too can see similar savings by batch opening lightning channels on…