# Note: depends on iana-etc
wget -c https://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-4.2/ntp-4.2.8p6.tar.gz
tar -xzf ntp-4.2.8p6.tar.gz
cd ntp-4.2.8p6
mkdir -p builddir
cd builddir
../configure --prefix="/usr"
make # Doesn't mind -j#
make install
# Note: you will likely want to write a configuration at /etc/ntp.conf in the format "server <ip/host>", one line per ntp server
# To make ntp start at boot-time:
echo 'ntpd -g' >> /etc/initservices.sh