>> Hello, >> in system-config-date i have checkbox synchronize date before service >> startup. >> Which config switch,file does it affect? I want to turn it on on my CentOS >> machine without xauth , just editing config files , i was hoping it could >> be >> in /etc/sysconfig/ntpd but no. > > ok ... I do not see exactly where, but it seems that somewhere a -x switch is > set and the file /etc/ntp/step-tickers gets the server name to sync from. > > I do no see a -x switch anywhere though the -x switch is part of the init script. it isn't actually handled by ntpd. the init script will use step-tickers if it has entries, or pull the server lines from ntp.conf, and then invoke ntpdate with the list it figures out.