ntpd

After upgrading all my servers to FreeBSD 10.3 last weekend, I started to see these messages in the logs: Aug 3 21:15:19 slocum ntpd[29456]: leapsecond file (‘/var/db/ntpd.leap-seconds.list’): expired less than 64 days ago I found this post which suggested running service ntpd fetch but that did not fix it. While debugging the issue, I added ntp_leapfile_fetch_verbose=”YES” to /etc/rc.conf, which provides more output to the fetch command: $ sudo service ntpd fetch ntp_src_leapfile version

As I was setting up the new varm server, one of the Nagios checks I included was check_ntp_time. It comes standard with nagios-plugins. The check was reporting NTP CRITICAL: Offset unknown. Running the check from the command line showed: [dan@webserver:/usr/local/libexec/nagios] $ ./check_ntp_time -4 -H varm NTP CRITICAL: Offset unknown| Running the check with a timeout showed: [dan@webserver:/usr/local/libexec/nagios] $ ./check_ntp_time -4 -H varm -t 1 CRITICAL – Socket timeout after 1 seconds I checked