Differences

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--- lwc:hardware:beagle [2023/10/07 16:17] – John Harrison
+++ lwc:hardware:beagle [2024/07/12 11:03] (current) – John Harrison
@@ Line 45: / Line 45: @@
 //using Amazon special//
   * ''amixer -c 1 -- sset Headphone Playback 100%''
+or
+  * ''amixer -c 1 -- sset Speaker 100%'' (for the one that has no cables)
 ===== Setting static IP for ethernet =====
- * ubuntu with shared ethernet connection runs a dhcp server by default on 10.42.x.x and assigns the ethernet card 10.42.0.1.
+  * ubuntu with shared ethernet connection runs a dhcp server by default on 10.42.x.x and assigns the ethernet card 10.42.0.1.
- * so the perhaps incorrect but easy way to get internet with static IP is on the beagle:
+  * so the perhaps incorrect but easy way to get internet with static IP is on the beagle:
-   * get name of connection: ''connmanctl services'' You'll get a response that will have something like: ''ethernet_6cecebabbc6a_cable''
+    * get name of connection: ''connmanctl services'' You'll get a response that will have something like: ''ethernet_6cecebabbc6a_cable''
-   * then assign your static IP. Example:
+    * then assign your static IP. This will be a persistent setting. Example:
 <code>
 sudo connmanctl config ethernet_6cecebabbc6a_cable --ipv4 manual 10.42.0.2 255.255.255.0 10.42.0.1 --nameservers 8.8.8.8 1.1.1.1
 </code>
+//for the morbidly curious you can find (and maybe edit?) the settings connman is reading/writing at ''/var/lib/connman'' //
-===== Always booting from SD card =====
+===== Network tips =====
-Things to try:
+//see [[https://gist.github.com/kylemanna/6930087|Connmanctl Cheat Sheet]] for connecting Wi-Fi card//
-  * [[https://stackoverflow.com/questions/40782403/searching-for-the-mlo-file-on-the-beaglebone-black|delete MLO]]
-  * or maybe edit ''uEnv.txt''
-    * [[https://gist.github.com/elfgoh/92c9c2f64dd3eaa7e515e0136d26f9ca|random gist of uEnv.txt]]
-  * [[https://groups.google.com/g/beagleboard/c/ajLAHk3-S60?pli=1|ancient conversation about this with possible tips]]
+===== Always booting from SD card =====
+  - Manually boot from the MicroSD (hold down the ''user/boot'' button).
+  - run ''sudo dd if=/dev/zero of=/dev/mmcblk1 bs=1M count=1'' to write zeros over the first 1MB of the eMMC
+  - run ''sync''
+  - run ''sudo shutdown now''
+  - disconnect and then reconnect power
+[[https://github.com/phillipdavidstearns/brahman-ai/tree/master/guides/beaglebone#towards-booting-from-microsd-always|source]]