check for rrd extension

[usb-wde1-tools.git] / munin / README

diff --git a/munin/README b/munin/README
index f8eaf2348c8ded58db844de64ce978f8533c904e..a2b5c1576c86a8167e95f9fea55856086a25e1e1 100644 (file)
--- a/munin/README
+++ b/munin/README
@@ -13,7 +13,7 @@ Setup
 -----
 0. Checkout the munin plugin code:
    $ cd /usr/local/src
-   $ git clone ssh://git.cweiske.de/~/git/usb-wde1-tools.git
+   $ git clone git://git.cweiske.de/usb-wde1-tools.git
    $ cd usb-wde1-tools
 
 1. A process needs to watch the USB interface and log the last
@@ -68,7 +68,18 @@ $ ln -s usb-wde1_ usb-wde1_humidity
 $ cd ..
 
 
-Running the munin plugin is also relatively easy, and you can easily pass
-the environment configuration variables from the munin configuration
-on the cli:
+Running the munin plugin for development purposes is also relatively easy
+since you can pass the environment configuration variables
+from the munin configuration on the command line:
 $ logfile=test.log sensors="0 1 7" ./munin/usb-wde1_temperature
+
+
+Permission errors
+.................
+
+    cu: open (/dev/ttyUSB0): Permission denied
+    cu: /dev/ttyUSB0: Line in use
+
+Only way that I found to fix this was change ownership of `/dev/ttyUSB0` to uucp::
+
+     $ chown uucp /dev/ttyUSB0