1_BaseSetup_SYS

#!/bin/bash

# ------------------- install vars

HOSTNAME=$1

# ------------------- make base snapshot

hostnamectl hostname ${HOSTNAME}


# ------------------- setup NTP

mkdir /etc/systemd/timesyncd.conf.d/

dd of=/etc/systemd/timesyncd.conf.d/servers.conf << EOF
[Time]
NTP=hora.roa.es 0.es.pool.ntp.org 1.es.pool.ntp.org 2.es.pool.ntp.org 3.es.pool.ntp.org
FallbackNTP=0.arch.pool.ntp.org 1.arch.pool.ntp.org 2.arch.pool.ntp.org 3.arch.pool.ntp.org
EOF

timedatectl set-timezone Europe/Madrid

systemctl restart systemd-timesyncd.service

sleep 3

timedatectl set-ntp true

timedatectl show-timesync --all

# ------------------- make base snapshot
# make a instant
# https://www.dwarmstrong.org/btrfs-snapshots-rollbacks/

umount /.snapshots
rm -rf /.snapshots

snapper -c root create-config /
snapper -c home create-config /home

btrfs subvolume delete /.snapshots

mkdir /.snapshots

mount -a

chmod 750 /.snapshots

chown :wheel /.snapshots

sed -i 's/ALLOW_GROUPS=""/ALLOW_GROUPS="wheel"/' /etc/snapper/configs/root
sed -i 's/ALLOW_GROUPS=""/ALLOW_GROUPS="wheel"/' /etc/snapper/configs/home

# ------------------------------------------------- snapper checkpoint

snapper -c root create -d "Base setup: System"
snapper -c home create -d "Base setup: System"