Install and configure ufw. Call sync_clock at boot time.
Make sure skel/ is go-w. Configure /etc/init.d/hwclock.sh to use /dev/rtc.
Added symlink /etc/init.d/sync_clock ==> /etc/sync_clock. Added LSB preamble. Set DEBUG=0 as default. Introduced ECHO=1. Disabled LOG_FILE by default. No error on missing LOG_FILE. Separated _check_timestamp_file() and call it on "start" too.
Added symlink /etc/init.d/sync_clock ==> /etc/sync_clock
Changed TIMESTAMP_FILE=/etc/sync_clock_timestamp