Setting up NTP.md

Setting up NTP

Set up the server

To view the clients connected to the server: sudo chronyc clients

1. Install chrony if its not installed
   • sudo systemctl status chronyd
   • If nothing shows up:
     • sudo dnf install chrony
     • sudo systemctl enable --now chronyd && sudo systemctl start chronyd
2. Point the server to a server listed at NTP Pool Project.
   • sudo vim /etc/chrony.conf
   • Edit the line that says "Allow NTP client access from local network"
     • allow \<subnet\>/\<CIDR\>
   • Restart the chronyd daemon
     • sudo systemctl restart chronyd

Set up the clients

To view the server(s) connected to the client: sudo chronyc sources

1. Install chrony if its not installed
   • sudo systemctl status chronyd
   • If nothing shows up:
     • sudo dnf install chrony
     • sudo systemctl enable --now chronyd && sudo systemctl start chronyd
2. Point the client at the NTP server
   • sudo vim /etc/chrony.conf
   • Add the servers below the comment that mentions Use public serves from pool.ntp.org
     • source \<NTP Server IP\> maxpoll 16 iburst
   • Restart the chronyd daemon
     • sudo systemctl restart chronyd