NTP Configuration:
- Add ntp, ntpdate, systemd-timesyncd packages to live CD
- Configure systemd-timesyncd for automatic time synchronization
- Set NTP servers: pool.ntp.org and debian NTP servers
- Enable timesyncd service on installed system

Live CD Root Password:
- Modify override-live-config-passwd hook to set root password from preseed
- Read crypted password from preseed file during live system boot
- Set password directly in /etc/shadow with proper format
- Ensures live CD has the same password as configured during ISO creation
- Fixes password consistency between live CD and installed system