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@nelsnelson
nelsnelson / public_dns_servers.md
Created April 23, 2018 16:07
Public DNS Servers
@feiandxs
feiandxs / gist:30b7b45dced948384cc64f3929917c46
Created February 2, 2017 14:56
public_dns_servers
#114dns
114.114.114.114
114.114.115.115
#alibaba.public.dns
223.5.5.5
223.6.6.6
#baidu.public.dns
180.76.76.76
#dnspod.tencent.public.dns
119.29.29.29
@oldsharp
oldsharp / public_dns_list
Last active December 13, 2018 20:15
public dns servers list
# google public dns
8.8.8.8
8.8.4.4
# opendns
208.67.222.222
208.67.220.220
# v2ex dns
199.91.73.222
@azet
azet / synchronize.sh
Last active March 28, 2019 15:11
get time offset from popular stratum 0-3 time servers (stratum 1 distribution is the biggest)
#!/bin/sh
/usr/sbin/ntpdate -qvvvb -s 10 -p 8 time.nist.gov at.pool.ntp.org pool.ntp.org ts1.aco.net ts2.aco.net asynchronos.iiss.at ntpstm.netbone-digital.com time.ufe.cz time.fu-berlin.de atom.uhr.de ntp1.nl.uu.net ntp0.nl.uu.net ntp3.usv.ro utcnist2.colorado.edu timekeeper.isi.edu clock.sjc.he.net nist1.symmetricom.com t2.timegps.net clock.isc.org clepsydra.dec.com gps.layer42.net rackety.udel.edu mizbeaver.udel.edu clock.nyc.he.net otc1.psu.edu timehost.lysator.liu.se ntp0.as34288.net ntp1.as34288.net tick.usask.ca tock.usask.ca
@azet
azet / c.md
Last active March 28, 2019 15:14
Useful and modern/current books on C programming
@harsha-y
harsha-y / ntp_servers.md
Created May 3, 2016 06:49
NTP Servers

AWS NTP Servers

server 0.amazon.pool.ntp.org iburst
server 1.amazon.pool.ntp.org iburst
server 2.amazon.pool.ntp.org iburst
server 3.amazon.pool.ntp.org iburst

CoreOS NTP Servers

@tuklusan
tuklusan / ntp.conf
Last active March 31, 2019 08:29
sanyalnet-cloud-vps2.freeddns.org stratum-2 /etc/ntp.conf - read more at http://supratim-sanyal.blogspot.com/2017/03/free-public-stratum-2-and-stratum-3-ntp.html
# --
# This is Supratim Sanyal's NTP Server configuration file
# To test, use "ntpdate -q <this host>" from another host
# This server will not respond to peer queries ("ntpdc -q") etc. from
# external hosts.
#
# The stratum 1 servers used by this server are mostly educational and
# military servers from:
# http://support.ntp.org/bin/view/Servers/StratumOneTimeServers?redirectedfrom=Servers.StratumOne
# Comment out the stratum 2 servers to make this server stratum 2 with
@ikarashikei
ikarashikei / ntp.conf
Last active March 31, 2019 08:30
ntp.conf
# For more information about this file, see the man pages
# ntp.conf(5), ntp_acc(5), ntp_auth(5), ntp_clock(5), ntp_misc(5), ntp_mon(5).
driftfile /var/lib/ntp/drift
# Permit time synchronization with our time source, but do not
# permit the source to query or modify the service on this system.
restrict default kod nomodify notrap nopeer noquery
restrict -6 default kod nomodify notrap nopeer noquery
@ahruschka
ahruschka / raspberryPiNTP.md
Last active March 31, 2019 08:31
NTP server fix for GSU

NTP server fix for GSU

GSU requires all internal devices to only use their NTP server so we need to change the default NTP servers.

$ sudo nano /etc/ntp.conf

Scroll down to NTP servers and add

server ntp.gsu.edu iburst

Comment out all other servers and the following two lines

@natm
natm / keybase.md
Created March 25, 2014 22:08

Keybase proof

I hereby claim:

  • I am natm on github.
  • I am nat (https://keybase.io/nat) on keybase.
  • I have a public key whose fingerprint is 61D2 21DD A630 1F00 04DF 3609 8A22 F06A 1E51 D0C8

To claim this, I am signing this object: