Difference between revisions of "Ntp"

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ip6tables -A OUTPUT -o lo -j ACCEPT
 
ip6tables -A OUTPUT -o lo -j ACCEPT
 
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When using an NTP-server pool like [https://pool.ntp.org pool.ntp.org] ( 0.<country>.pool.ntp.org etc.) make sure you refresh the peers every now and than. Only when ntp is started the hosts are selected, when they leave the pool ntp will not automatically select another.

Latest revision as of 15:14, 22 December 2019

Network Time Protocol, synchronize local clock to remote.

To use ntpq the firewall should be open for traffic to the localhost.

iptables -A INPUT -i lo -j ACCEPT
iptables -A OUTPUT -o lo -j ACCEPT
ip6tables -A INPUT -i lo -j ACCEPT
ip6tables -A OUTPUT -o lo -j ACCEPT

When using an NTP-server pool like pool.ntp.org ( 0.<country>.pool.ntp.org etc.) make sure you refresh the peers every now and than. Only when ntp is started the hosts are selected, when they leave the pool ntp will not automatically select another.