Differences

This shows you the differences between two versions of the page.

--- setting_up_the_master_umd [2016/12/21 14:50] – walkeradmin
+++ setting_up_the_master_umd [2023/03/09 22:35] (current) – external edit 127.0.0.1
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-===== Setting up the Master UMD =====
+====== Setting up the Master UMD ======
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 {{:rpi_umd_001b.jpg?650|}}
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-===== Master Raspberry Pi =====
+==== Master Raspberry Pi ====
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 The primary Raspberry Pi does a little more than the others. As well as writing to the LCD display, this unit has a web server (Apache) and PHP running. The web server hosts a text file (my_data.txt) that is hosted and is editable via a web interface and PHP.
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-The default login is <color red>username: pi and password: raspberry</color>
+The default login is <color red>username: pi and password: raspberry</color> (if this is an existing unit that is misbehaving, the login will be <color blue>pi and Ericss0n</color>)
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     sudo nano /etc/dhcpdc.conf
-    Add these lines to the end of the file (default is dhcp) using  your own IP Address details
+    Add these lines to the end of the file (default is dhcp) using your own IP Address details
     eth0
@@ Line 136: / Line 136: @@
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 These files need to be copied to the /home/pi/Python location
+\\
+\\
+<color red>sudo chmod 777 /home/pi/Python/my_data.txt</color> or Apache might have trouble writing to it.
+\\
+\\
+<color red>sudo chmod 777 launchUMD.sh</color>
+\\
+\\
+<color red>sudo chmod 777 UMDisplay01.py</color>
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 </file>
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 Now reboot the RPi
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 {{:rpi_umd_005.jpg?300|}}
+\\
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 Adjusting these two potentiometers will allow you to balance the text and backlight intensity to get the brightness level you require.
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     add this line at the end:
     sudo ./home/pi/Python/launchUMD.sh
-\\
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 To test this, reboot and the LCD should start up automatically (the LCD won't clear on boot, but wait for the "Waiting for 5 Seconds for Network Start" message).