Note: appending
pci=nomsi
in/etc/default/grub
fixed the "taking too much time to shutdown or reboot"
- [ ] Set correct time
- `sudo timedatectl set-ntp true`
- `sudo timedatectl set-timezone Asia/Kolkata`
- Check with `timedatectl status` or `date`
- [ ] Connect to WiFi with `nmtui`
- [ ] Check internet connection `ping google.com`
- Upgrade
pacman -Syu