nimbus-eth2/scripts/package_src/nimbus_beacon_node/after_install

#!/bin/bash

set -e

DISTRO=$(lsb_release -si)
if ! id -u nimbus > /dev/null 2>&1; then
  case $DISTRO in
    Ubuntu|Debian)
      # Debian uses `adduser` to create user...
      adduser --system --no-create-home --group nimbus
      ;;
    *)
      # ... while `useradd` is more standard
      useradd --system --no-create-home --user-group nimbus
      ;;
  esac
fi

mkdir -p /var/lib/nimbus
chown nimbus:nimbus /var/lib/nimbus

systemctl daemon-reload