mayankchhabra

#!/bin/bash
# Ensure the script is run as root
if [ "$EUID" -ne 0 ]
  then echo "Please run as root"
  exit
fi

echo "Current date is: $(date -R)"

# Update packages 

mayankchhabra

cd ~ && sudo ~/umbrel/scripts/stop && sudo rm -rf ~/umbrel && curl -L https://umbrel.sh | bash -s -- --no-install-deps --no-install-start-script && sed -i 's/^check_umbrel_os$/#check_umbrel_os/g' /home/umbrel/umbrel/scripts/umbrel-os/change-password && sed -i 's/if \[\[ -z "${UMBREL_OS:-}" \]\]; then/if [[ -z "${UMBREL_OS:-}" ]] \&\& false; then/g' /home/umbrel/umbrel/scripts/umbrel-os/status-server/set-status && sed -i 's/if \[\[ -z "${UMBREL_OS:-}" \]\]; then/if [[ -z "${UMBREL_OS:-}" ]] \&\& false; then/g' /home/umbrel/umbrel/scripts/umbrel-os/status-server/setup-iptables && sed -i 's/^check_umbrel_os$/#check_umbrel_os/g' /home/umbrel/umbrel/scripts/umbrel-os/service-monitor

mayankchhabra

Step 1. SSH into your Umbrel

Open the “Terminal” app on Mac/Linux, or “PowerShell” on Windows and run this:

ssh umbrel@umbrel.local

It will prompt for a password, enter your Umbrel's password.

mayankchhabra

Install Umbrel v0.3.5

sudo fallocate -l 4G /swapfile
sudo chmod 600 /swapfile
sudo swapon /swapfile
echo '/swapfile none swap sw 0 0' | sudo tee -a /etc/fstab
sudo sysctl vm.swappiness=10
echo 'vm.swappiness=10' | sudo tee -a /etc/sysctl.conf
sudo sysctl vm.vfs_cache_pressure=50

mayankchhabra

Off-chain recovery for Umbrel OS (Raspberry Pi installs)

Once you’ve restored from the 24 words, it might take a few minutes to a few hours for it to scan all of your previous Bitcoin (on-chain) transactions and balances. Meanwhile, here's how you can restore the funds in your Lightning channels.

Step 1. Copy over the channel backup file from your computer to your Umbrel.

Open the “Terminal” app on Mac/Linux, or “PowerShell” on Windows and run this:

mayankchhabra

After you’ve flashed Ubuntu 18.04 on your microSD card and plugged it into your Odroid H2 board, connect the SSD, ethernet and power supply to it. Turn it on and SSH into your system.

Step 1. Update packages

sudo apt-get update
sudo apt-get upgrade

Step 2. Change system’s hostname to “umbrel”

mayankchhabra

Keybase proof

I hereby claim:

• I am mayankchhabra on github.
• I am mayankchhabra (https://keybase.io/mayankchhabra) on keybase.
• I have a public key ASBzfoYwFjR4X4exsjNRfsLsHhR2mEvGyulWWadW91kr9Ao

To claim this, I am signing this object: