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| Both sides previous revisionPrevious revisionNext revision | Previous revisionLast revisionBoth sides next revision | ||
| stratum1ntp [2019/08/20 05:23] – andrew | stratum1ntp [2021/10/22 20:35] – andrew | ||
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| ====== Stratum 1 NTP Setup on Raspberry Pi ====== | ====== Stratum 1 NTP Setup on Raspberry Pi ====== | ||
| + | == By: Bun-Bun & guppy == | ||
| + | |||
| * This guides uses Uputronics Raspberry Pi+ GPS Expansion Board and a rpi3 or newer | * This guides uses Uputronics Raspberry Pi+ GPS Expansion Board and a rpi3 or newer | ||
| * Setup rpi with latest Raspbian, enable ssh, etc... | * Setup rpi with latest Raspbian, enable ssh, etc... | ||
| Line 115: | Line 117: | ||
| * {{ntpsetup.tar|gpsControl files and install.sh}} #for stationary mode (Credit to guppy for creating and Bun-Bun for correcting) | * {{ntpsetup.tar|gpsControl files and install.sh}} #for stationary mode (Credit to guppy for creating and Bun-Bun for correcting) | ||
| * Download linked tar | * Download linked tar | ||
| + | * wget -O ntpsetup.tar http:// | ||
| * tar -xvf ntpsetup.tar | * tar -xvf ntpsetup.tar | ||
| * cd ntpsetup | * cd ntpsetup | ||
| Line 120: | Line 123: | ||
| * This copies the gpscontrol files and creates/ | * This copies the gpscontrol files and creates/ | ||
| * Disable NTP from dhcp | * Disable NTP from dhcp | ||
| - | * echo "" | + | * < |
| - | | + | echo "" |
| - | | + | echo "" |
| - | | + | chattr +i / |
| + | chattr +i / | ||
| + | </ | ||
| * reboot | * reboot | ||
| * gpsmon #also cgps -s | * gpsmon #also cgps -s | ||
| Line 133: | Line 138: | ||
| ====== Optimizations ====== | ====== Optimizations ====== | ||
| - | * Add nohz=off to the end of the line in /etc/ | + | |
| + | | ||
| * configure system to run cpu full speed | * configure system to run cpu full speed | ||
| * < | * < | ||
| - | # echo ' | + | echo ' |
| - | # systemctl restart cpufrequtils</ | + | systemctl restart cpufrequtils</ |
| * Remove useless stuff | * Remove useless stuff | ||
| - | * < | + | * < |
| - | apt purge wpasupplicant | + | systemctl stop avahi-daemon |
| - | apt-get remove | + | systemctl disable avahi-daemon |
| - | systemctl stop raspbian | + | apt -y autoremove |
| - | systemctl disable | + | |
| - | apt autoremove | + | |
| apt clean | apt clean | ||
| + | </ | ||
| + | * Set serial to low latency | ||
| + | * < | ||
| + | @reboot setserial / | ||
| </ | </ | ||
