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| Zeile 12: | Zeile 12: | ||
<syntaxhighlight lang="bash" line='line'> | <syntaxhighlight lang="bash" line='line'> | ||
lsusb #(DVB-T Anschluss prüfen) | lsusb #(DVB-T Anschluss prüfen) | ||
| + | pi@raspberrypi4:~ $ systemctl status ntp | ||
| + | ● ntp.service - Network Time Service | ||
| + | Loaded: loaded (/lib/systemd/system/ntp.service; enabled; vendor preset: enabled) | ||
| + | Active: active (running) since Mon 2020-06-29 22:31:41 CEST; 2 months 14 days ago | ||
| + | Docs: man:ntpd(8) | ||
| + | Main PID: 11519 (ntpd) | ||
| + | Tasks: 2 (limit: 4915) | ||
| + | Memory: 1.2M | ||
| + | CGroup: /system.slice/ntp.service | ||
| + | └─11519 /usr/sbin/ntpd -p /var/run/ntpd.pid -g -u 109:114 | ||
telnet localhost 50000 #(GSM sync) | telnet localhost 50000 #(GSM sync) | ||
telnet localhost 50001 #(rf-decode) | telnet localhost 50001 #(rf-decode) | ||
Version vom 13. September 2020, 14:43 Uhr
MediaWiki für AirSpaceWatch,Debian & More
Inhaltsverzeichnis
AirSpaceWatch OpenSource Inhalt
Vorbereitungen
- RPi 4 mit Rasbpian, Node-Red Webserver, rtl-sdr
- DVB-T Dongle
- 868 MHz Antenne
- Bandpassfilter 868 MHz
- BIAS TEE 5V USB
Hardware Troubleshoot
1 lsusb #(DVB-T Anschluss prüfen)
2 pi@raspberrypi4:~ $ systemctl status ntp
3 ● ntp.service - Network Time Service
4 Loaded: loaded (/lib/systemd/system/ntp.service; enabled; vendor preset: enabled)
5 Active: active (running) since Mon 2020-06-29 22:31:41 CEST; 2 months 14 days ago
6 Docs: man:ntpd(8)
7 Main PID: 11519 (ntpd)
8 Tasks: 2 (limit: 4915)
9 Memory: 1.2M
10 CGroup: /system.slice/ntp.service
11 └─11519 /usr/sbin/ntpd -p /var/run/ntpd.pid -g -u 109:114
12 telnet localhost 50000 #(GSM sync)
13 telnet localhost 50001 #(rf-decode)
14 lynx localhost 8080/8081 #status von rtl-sdr
Useful Bash snippets
JavaScript Projekte
PLOPP - ein Zeitvertreib :)
POING - ein Pong Clone in js
HeiseNews - aus dem Newsfeed geparst
ScreenBlanker - Bildschirmschoner im Browser
