June-2021 update

fix indentation

GRUB 2.06 does not work with LUKS2

use separate file in /etc/profile.d

Use systemd-firstboot to configure locales, tz, etc

instructions for non-interactive system-firstboot

systemd-firstboot has bugs for setting root password

Signed-off-by: Maurice Zhou <ja@apvc.uk>

docs/Developer Resources/Custom Packages.rst

@@ -73,6 +73,7 @@ ZFS 2.1 release:
 -  **RHEL/CentOS 8, Fedora**:
 
 .. code:: sh
+
    sudo dnf install --skip-broken epel-release gcc make autoconf automake libtool rpm-build kernel-rpm-macros libtirpc-devel libblkid-devel libuuid-devel libudev-devel openssl-devel zlib-devel libaio-devel libattr-devel elfutils-libelf-devel kernel-devel-$(uname -r) python3 python3-devel python3-setuptools python3-cffi libffi-devel ncompress
    sudo dnf install --skip-broken --enablerepo=epel --enablerepo=powertools python3-packaging dkms