Changes between Initial Version and Version 1 of NIntp

Timestamp:

Oct 22, 2019, 12:48:08 PM (6 years ago)

Author:

Suren A. Chilingaryan

Comment:

--

NIntp

@@ +1 @@
+== NTP Configuration ==
+ * Download and unzip packages
+ * Install software
+{{{
+     opkg install *.ipk
+}}}
+ * Edit /etc/ntp.conf as described bellow
+ * Restart service after editing configuration
+{{{
+    /etc/init.d/ntpd restart
+}}}
+ * Synchronization takes some time. Check status in about 10 minutes
+
+== Configuration Files ==
+ * /etc/ntp.conf
+{{{
+driftfile /var/lib/ntp/drift
+server 141.52.8.18              # Replace it with internal NTP server
+server 127.127.1.0
+fudge 127.127.1.0 stratum 14
+restrict default
+}}}
+
+== Check Status ==
+ * ntpq -c rv 
+  * 'offset' field gives the current offset from the server in milliseconds
+
+{{{
+associd=0 status=0618 leap_none, sync_ntp, 1 event, no_sys_peer,
+version="ntpd 4.2.6p5@1.2349 Mon Feb 29 15:53:06 UTC 2016 (2)",
+processor="armv7l", system="Linux/3.14.46-rt46-ni-3.5.0f0", leap=00,
+stratum=3, precision=-20, rootdelay=11.507, rootdisp=56.695,
+refid=141.52.8.18,
+reftime=e15974f3.391383ab  Tue, Oct 22 2019 12:30:43.222,
+clock=e159773f.c358b9d9  Tue, Oct 22 2019 12:40:31.763, peer=35314, tc=7,
+mintc=3, offset=0.134, frequency=-1.954, sys_jitter=0.000,
+clk_jitter=0.046, clk_wander=0.015
+}}}
+ * ntpq -pn (offset also included here)
+
+{{{
+     remote           refid      st t when poll reach   delay   offset  jitter
+==============================================================================
+*141.52.8.18     36.224.68.195    2 u   19  128  377    0.231    0.134   0.034
+ 127.127.1.0     .LOCL.          14 l  44m   64    0    0.000    0.000   0.000
+}}}
+
+== Documentation ==
+ * [https://knowledge.ni.com/KnowledgeArticleDetails?id=kA00Z000000kFymSAE&l=en-US NI instructions]
+
+== List of packages ==
+ * ntp
+{{{
+ntp_4.2.6p5-r6.0.9_cortexa9-vfpv3.ipk
+ntpdate_4.2.6p5-r6.0.9_cortexa9-vfpv3.ipk
+ntp-utils_4.2.6p5-r6.0.9_cortexa9-vfpv3.ipk
+ntp-tickadj_4.2.6p5-r6.0.9_cortexa9-vfpv3.ipk
+libbsd0_0.7.0-r0.11_cortexa9-vfpv3.ipk
+libevent_2.0.21-r1.14_cortexa9-vfpv3.ipk
+}}}
+ * mc
+{{{
+mc_4.8.12-r0.10_cortexa9-vfpv3.ipk
+ncurses-terminfo_5.9-r15.1.129_cortexa9-vfpv3.ipk
+libncurses5_5.9-r15.1.129_cortexa9-vfpv3.ipk
+libncursesw5_5.9-r15.1.129_cortexa9-vfpv3.ipk
+}}}
+