Skip to content

Synchronize the system time with the GPS if there is no Real Time Clock (RTC) or network connection to the Raspberry Pi #220

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
sc74 wants to merge 9 commits into
base: main
Choose a base branch
from
Open

Synchronize the system time with the GPS if there is no Real Time Clock (RTC) or network connection to the Raspberry Pi #220

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
9 commits
Select commit Hold shift + click to select a range
6ec5acb
Enhance VNC connection instructions and mermaid diagram
sc74 Oct 27, 2025
20d3984
Merge branch 'devDucks:main' into main
sc74 Oct 27, 2025
e849d81
Merge branch 'devDucks:main' into main
sc74 Oct 28, 2025
ea4e661
Merge branch 'devDucks:main' into main
sc74 Oct 29, 2025
09d9230
Merge branch 'devDucks:main' into main
sc74 Oct 30, 2025
0e451c9
Merge branch 'devDucks:main' into main
sc74 Nov 3, 2025
f8f6e6c
Merge branch 'devDucks:main' into main
sc74 Nov 8, 2025
349f7b1
Merge branch 'devDucks:main' into main
sc74 Dec 4, 2025
eb3958d
Synchronize the system time with the GPS if there is no Real Time Clo…
sc74 Dec 5, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 3 additions & 0 deletions astroarch_build.sh
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -107,6 +107,9 @@ sleep 5
# Remove eventually existing systemd configs we are going to substitute
rm -f /usr/lib/systemd/system/novnc.service

# Synchronize the system time with the GPS if there is no Real Time Clock (RTC) or network connection to the Raspberry Pi
sed -i '$a\refclock SHM 0 offset 0.5 delay 0.2 refid NMEA' /etc/chrony.conf

# Disable systemd-timesyncd and enable chronyd
systemctl disable systemd-timesyncd
systemctl enable chronyd
Expand Down
4 changes: 4 additions & 0 deletions scripts/2.0.5.sh
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,4 @@
#!/usr/bin/env bash

# Synchronize the system time with the GPS if there is no Real Time Clock (RTC) or network connection to the Raspberry Pi
sed -i '$a\refclock SHM 0 offset 0.5 delay 0.2 refid NMEA' /etc/chrony.conf