glennschler · March 25, 2022 02:39 · Mar 3, 2014 · Dec 6, 2013 · Dec 3, 2013 · Dec 3, 2013
diff --git a/Notes.md b/Notes.md
@@ -42,6 +42,7 @@ sudo apt-get update
 sudo apt-get upgrade
 ```
   * Optional
+
      ```
      sudo apt-get install vim
      sudo apt-get install htop

diff --git a/raspicam-fix-exif.js b/raspicam-fix-exif.js
@@ -0,0 +1,129 @@
+// Run this script in node.js
+//
+// First install deps:
+// sudo apt-get install libexiv2-12 libexiv2-dev
+// npm install exiv2
+//
+// Argument #1 = .JPG relative path
+// Argument #2 = overwrite file true/false. False will create a new file with ".jpg.jpg" extension
+// "raspicam-fix-exif.js"
+
+ar ex = require('exiv2');
+var fs = require('fs');
+
+// overwrite or not? true/false
+var _OVERWRITE=process.argv[3];
+
+// the file name to read exif
+//example '/tmp/RPIPICI13120400001.jpg';
+var fName = process.argv[2];
+
+// make a backup which should be overwriten
+// with the fixed tags
+//
+function copyFile(origFName, newFName, cb) {
+  var fCalledBack = false;
+
+  var readIn = fs.createReadStream(origFName);
+  readIn.on("error", function(err) {
+    callback(err);
+  });
+
+  var writeOut = fs.createWriteStream(newFName);
+  writeOut.on("error", function(err) {
+    callback(err);
+  });
+
+  writeOut.on("close", function(ex) {
+    callback();
+  });
+  readIn.pipe(wr);
+
+  function callback(err) {
+    if (!fCalledBack) {
+      // call the callback function which was passed in.
+      cb(origFName, err);
+
+      // to be safe, in case err/close trigger arrives more than once
+      fCalledBack = true;
+    }
+  }
+};
+
+// Get the exif info
+//
+function getImageTags(fName, cb) {
+  console.log ("reading exif... " + fName);
+
+  ex.getImageTags(fName, function(err, tags) {
+    if (err) throw err;
+
+    var dateTime = tags["Exif.Image.DateTime"];
+    var dateTimeOriginal = tags["Exif.Photo.DateTimeOriginal"];
+    var dateTimeDigitized = tags["Exif.Photo.DateTimeDigitized"];
+
+    // print the old values
+    console.log("\tFilename: " + fName + " :: \n" +
+                "\tDateTime: " + dateTime + "\n" +
+                "\tDateTimeOriginal: " + dateTimeOriginal + "\n" +
+                "\tDateTimeDigitized: " + dateTimeDigitized + "\n");
+
+    // fix the old values. Replace the ":" in between date and time with a " ".
+    dateTime = dateTime.substr(0, 10) + " " + dateTime.substr(11, 20);
+    dateTimeOriginal = dateTimeOriginal.substr(0, 10) + " " + dateTimeOriginal.substr(11, 20);
+    dateTimeDigitized = dateTimeDigitized.substr(0, 10) + " " + dateTimeDigitized.substr(11, 20);
+
+    // put then in a new tag array
+    var newTags = {
+      "Exif.Image.DateTime" : dateTime,
+      "Exif.Photo.DateTimeOriginal" : dateTimeOriginal,
+      "Exif.Photo.DateTimeDigitized" : dateTimeDigitized
+    };
+
+    // callback the caller
+    cb (fName + (_OVERWRITE ? "" : ".jpg"), newTags);
+  });
+};
+
+// Write out the new exif tags to the new jpg file
+//
+function setImageTags (newFName, newTags) {
+
+  // now save the exif info
+  ex.setImageTags(newFName, newTags, function(err) {
+    console.log ("Exif set = " + (err ? ("Error: " + err) : "Success"));
+  }); // set image
+};
+
+// Called either directly or after the copy file (when not overwriting) is complete
+function retag(fName, err) {
+  if (err) throw err;
+
+  console.log ("getting....");
+  // lets get the original tags
+  getImageTags (fName, function (newFName, newTags) {
+    console.log("Will soon set tags to " + newFName);
+    setImageTags (newFName, newTags);
+  });
+};
+
+console.log ("working....Overwrite=" + _OVERWRITE + " Fname=" + fName);
+
+// This is the primary control. Either overwrite or not.
+if (_OVERWRITE) {
+  console.log ("overwriting\n");
+
+  // get the tags. Overwrite the original file with the fixed date flags.
+  retag(fName);
+}
+else {
+
+  // Do not overwrite the file. Instead name it "*.jgp.jpg"
+  console.log ("not overwrite\n");
+
+  // Start by copying the file where the new exif info will go
+  // Pass the "retag" function as the callback, so once the copy
+  // is complete, the flow will continue as normal
+  //
+  copyFile (fName, fName + ".jpg", retag);
+}
diff --git a/Notes.md b/Notes.md
@@ -73,4 +73,4 @@ sudo apt-get install avahi-daemon avahi-utils
   ssh pi@hostname_pi.local
   ```
 
-* [Optional] Follow the [Adafruit instructions](http://learn.adafruit.com/adafruit-raspberry-pi-lesson-7-remote-control-with-vnc) to setup and control with desktop UI using VNC.
+* [Optional] Follow the [Adafruit instructions](http://learn.adafruit.com/adafruit-raspberry-pi-lesson-7-remote-control-with-vnc) to setup and control with desktop UI using VNC.
diff --git a/wpa_supplicant.conf b/wpa_supplicant.conf
@@ -7,8 +7,9 @@ ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
 update_config=1
 
 network={
+  # Use the PSK string which was output by executing the wpa_passphrase utility!
   ssid="__SSID__"
-  psk="__PSK__"
+  psk= __PSK__
 
   # Protocol type can be: RSN (for WP2) and WPA (for WPA1)
   proto=WPA RSN

diff --git a/Notes.md b/Notes.md
@@ -59,9 +59,10 @@ sudo apt-get upgrade
     * Create the ```etc/network/interfaces``` file (shown below).
     * Create the ```/etc/wpa_supplicant/wpa_supplicant.conf``` file (shown below).
 
-* Avahi implements the Apple Zeroconf specification, (like bonjour) after this it is easy to ```ping hostname_pi.local``` from OS X or other Zeroconf configured machine
+* Avahi-daemon implements the Apple Zeroconf specification, (like bonjour) after this it is easy to ```ping hostname_pi.local``` from OS X or other Zeroconf configured machine. Secondly, avaih-utils will make it easy to find other RPis on the local network.
+
 ```
-sudo apt-get install avahi-daemon
+sudo apt-get install avahi-daemon avahi-utils
 ```
 
 * Connect using SSH over wifi. 

diff --git a/Notes.md b/Notes.md
@@ -41,6 +41,11 @@
 sudo apt-get update
 sudo apt-get upgrade
 ```
+  * Optional
+     ```
+     sudo apt-get install vim
+     sudo apt-get install htop
+     ```
 
 * I have a few old USB Belkin F5D8053.v4 WiFi which work even if not on [the list](http://elinux.org/RPi_USB_Wi-Fi_Adapters)
 * If Wifi, do  WiFi management using WpaSupplicant.

diff --git a/{raspberry pi node.js}.md b/{raspberry pi node.js}.md
@@ -1,6 +1,6 @@
 * One option is to download the latest nodeJs.org source tarball, and make the node binary. This is a different exercise which this gist file does not address.
 
-* Get the Node binary directly from the originating source at NodeJs.org (Joyent). They often have a RPi binary distribution in their latest stable release. Review the [latest node distro](http://nodejs.org/dist/latest) directory, and then download the appropriate file name.
+* Get the Node binary directly from the originating source at NodeJs.org (Joyent). They often have a RPi binary distribution in their latest stable release. Review the [latest node distro](http://nodejs.org/dist/latest) directory to see if it is there.
 
 ```
 mkdir -p ~/tmp

diff --git a/{raspberry pi node.js}.md b/{raspberry pi node.js}.md
@@ -1,7 +1,6 @@
 * One option is to download the latest nodeJs.org source tarball, and make the node binary. This is a different exercise which this gist file does not address.
 
-* Get the Node binary directly from the originating source at NodeJs.org (Joyent). They often have a RPi binary distribution in their latest stable release. Review the [latest node distro](http://nodejs.org/dist/latest) directory, and then download the appropriate file name. First get the node version dir, and then find the only "arm-pi" HREF for the wget command. 
-  * To automate, copy and paste this entire code block into a RPi terminal session.
+* Get the Node binary directly from the originating source at NodeJs.org (Joyent). They often have a RPi binary distribution in their latest stable release. Review the [latest node distro](http://nodejs.org/dist/latest) directory, and then download the appropriate file name.
 
 ```
 mkdir -p ~/tmp
@@ -18,16 +17,18 @@ cat index.html | grep arm-pi | grep -o -E 'href="([^"#]+)"' | cut -d'"' -f2 > tm
 # Since not every release has an arm-pi binary, check before attempting to download
 [ `stat -c %s tmp1.txt` -eq 0 ] \
 && printf "\nVersion $nver arm-pi release is NOT available for download\n\n"
+```
+
+* If there is a arm-pi distrubution, download and unzip
 
+```
 # If so, Download and unzip
 [ `stat -c %s tmp1.txt` -ne 0 ] \
 && ( wget -N "http://nodejs.org/dist/$nver/"`cat tmp1.txt` \
 && tar -zxvf node-v*arm-pi*.tar.gz )
-
-echo #nop
 ```
 
-* Move the node binaries and docs
+* Move the node binaries and docs to be available in the path.
 
 ```
 # Remove any old node version. Create the dir again

diff --git a/{raspberry pi node.js}.md b/{raspberry pi node.js}.md
@@ -17,8 +17,7 @@ cat index.html | grep arm-pi | grep -o -E 'href="([^"#]+)"' | cut -d'"' -f2 > tm
 
 # Since not every release has an arm-pi binary, check before attempting to download
 [ `stat -c %s tmp1.txt` -eq 0 ] \
-&& ( printf "\nVersion $nver arm-pi release is NOT available for download\n\n" ) \
-|| ( printf "\nVersion $nver arm-pi release is available for download "`cat tmp1.txt`"\n\n" )
+&& printf "\nVersion $nver arm-pi release is NOT available for download\n\n"
 
 # If so, Download and unzip
 [ `stat -c %s tmp1.txt` -ne 0 ] \

diff --git a/{raspberry pi node.js}.md b/{raspberry pi node.js}.md
@@ -11,7 +11,7 @@ cd ~/tmp
 #nver=v0.10.21
 nver=latest
 
-# Download and unzip the requested Node.js for ARM-Pi which was built and distributed by NodeJs.org
+# Download the index.html of the requested version of the node.js directory
 wget -N http://nodejs.org/dist/$nver/
 cat index.html | grep arm-pi | grep -o -E 'href="([^"#]+)"' | cut -d'"' -f2 > tmp1.txt
 
@@ -20,7 +20,7 @@ cat index.html | grep arm-pi | grep -o -E 'href="([^"#]+)"' | cut -d'"' -f2 > tm
 && ( printf "\nVersion $nver arm-pi release is NOT available for download\n\n" ) \
 || ( printf "\nVersion $nver arm-pi release is available for download "`cat tmp1.txt`"\n\n" )
 
-# If so, get it
+# If so, Download and unzip
 [ `stat -c %s tmp1.txt` -ne 0 ] \
 && ( wget -N "http://nodejs.org/dist/$nver/"`cat tmp1.txt` \
 && tar -zxvf node-v*arm-pi*.tar.gz )

diff --git a/{raspberry pi node.js}.md b/{raspberry pi node.js}.md
@@ -17,16 +17,17 @@ cat index.html | grep arm-pi | grep -o -E 'href="([^"#]+)"' | cut -d'"' -f2 > tm
 
 # Since not every release has an arm-pi binary, check before attempting to download
 [ `stat -c %s tmp1.txt` -eq 0 ] \
-&& ( printf "\nLatest release does not have an arm-pi binary distribution to download\n\n" ) \
-|| ( wget -N "http://nodejs.org/dist/$nver/"`cat tmp1.txt` \
+&& ( printf "\nVersion $nver arm-pi release is NOT available for download\n\n" ) \
+|| ( printf "\nVersion $nver arm-pi release is available for download "`cat tmp1.txt`"\n\n" )
+
+# If so, get it
+[ `stat -c %s tmp1.txt` -ne 0 ] \
+&& ( wget -N "http://nodejs.org/dist/$nver/"`cat tmp1.txt` \
 && tar -zxvf node-v*arm-pi*.tar.gz )
+
 echo #nop
 ```
 
-[ `stat -c %s tmp1.txt` -eq 0 ] \
-&& ( printf "\nLatest release does not have an arm-pi binary distribution to download\n\n" ) \
-|| ( echo "hello" )
-
 * Move the node binaries and docs
 
 ```

diff --git a/{raspberry pi node.js}.md b/{raspberry pi node.js}.md
@@ -18,7 +18,6 @@ cat index.html | grep arm-pi | grep -o -E 'href="([^"#]+)"' | cut -d'"' -f2 > tm
 # Since not every release has an arm-pi binary, check before attempting to download
 [ `stat -c %s tmp1.txt` -eq 0 ] \
 && ( printf "\nLatest release does not have an arm-pi binary distribution to download\n\n" ) \
-# ElseIf there is an arm-pi binary then download it.
 || ( wget -N "http://nodejs.org/dist/$nver/"`cat tmp1.txt` \
 && tar -zxvf node-v*arm-pi*.tar.gz )
 echo #nop

diff --git a/{raspberry pi node.js}.md b/{raspberry pi node.js}.md
@@ -17,15 +17,17 @@ cat index.html | grep arm-pi | grep -o -E 'href="([^"#]+)"' | cut -d'"' -f2 > tm
 
 # Since not every release has an arm-pi binary, check before attempting to download
 [ `stat -c %s tmp1.txt` -eq 0 ] \
-&& printf "\nLatest release does not have an arm-pi binary distribution to download\n\n"
-
+&& ( printf "\nLatest release does not have an arm-pi binary distribution to download\n\n" ) \
 # ElseIf there is an arm-pi binary then download it.
-[ `stat -c %s tmp1.txt` -eq 0 ] \
 || ( wget -N "http://nodejs.org/dist/$nver/"`cat tmp1.txt` \
 && tar -zxvf node-v*arm-pi*.tar.gz )
 echo #nop
 ```
 
+[ `stat -c %s tmp1.txt` -eq 0 ] \
+&& ( printf "\nLatest release does not have an arm-pi binary distribution to download\n\n" ) \
+|| ( echo "hello" )
+
 * Move the node binaries and docs
 
 ```

diff --git a/{raspberry pi node.js}.md b/{raspberry pi node.js}.md
@@ -8,18 +8,21 @@ mkdir -p ~/tmp
 cd ~/tmp
 
 # Change to the version needed. The 'latest' version or a specific version.
-#lastest_node=v0.10.21
+#nver=v0.10.21
 nver=latest
 
 # Download and unzip the requested Node.js for ARM-Pi which was built and distributed by NodeJs.org
 wget -N http://nodejs.org/dist/$nver/
 cat index.html | grep arm-pi | grep -o -E 'href="([^"#]+)"' | cut -d'"' -f2 > tmp1.txt
 
 # Since not every release has an arm-pi binary, check before attempting to download
-if [[ `stat -c %s tmp1.txt` -eq 0 ]]  ; \
-then printf "\nLatest release does not have an arm-pi binary distribution to download\n\n" ; \
-else wget -N "http://nodejs.org/dist/$nver/"`cat tmp1.txt` && \ 
-tar -zxvf node-v*arm-pi*.tar.gz; fi
+[ `stat -c %s tmp1.txt` -eq 0 ] \
+&& printf "\nLatest release does not have an arm-pi binary distribution to download\n\n"
+
+# ElseIf there is an arm-pi binary then download it.
+[ `stat -c %s tmp1.txt` -eq 0 ] \
+|| ( wget -N "http://nodejs.org/dist/$nver/"`cat tmp1.txt` \
+&& tar -zxvf node-v*arm-pi*.tar.gz )
 echo #nop
 ```
 

diff --git a/Notes.md b/Notes.md
@@ -42,7 +42,7 @@ sudo apt-get update
 sudo apt-get upgrade
 ```
 
-* I have a few old USB Belkin F5D8053.v4 WiFi which work even if not on [the list](elinux.org/RPi_USB_Wi-Fi_Adapters)
+* I have a few old USB Belkin F5D8053.v4 WiFi which work even if not on [the list](http://elinux.org/RPi_USB_Wi-Fi_Adapters)
 * If Wifi, do  WiFi management using WpaSupplicant.
   ```
   sudo apt-get install wpasupplicant

diff --git a/{raspberry pi node.js}.md b/{raspberry pi node.js}.md
@@ -8,7 +8,7 @@ mkdir -p ~/tmp
 cd ~/tmp
 
 # Change to the version needed. The 'latest' version or a specific version.
-#lastest_node=v0.10.20
+#lastest_node=v0.10.21
 nver=latest
 
 # Download and unzip the requested Node.js for ARM-Pi which was built and distributed by NodeJs.org

diff --git a/{raspberry pi node.js}.md b/{raspberry pi node.js}.md
@@ -1,6 +1,7 @@
 * One option is to download the latest nodeJs.org source tarball, and make the node binary. This is a different exercise which this gist file does not address.
 
-* Get the Node binary directly from the originating source at NodeJs.org (Joyent). They often have a RPi binary distribution in their latest stable release. Review the [latest node distro](http://nodejs.org/dist/latest) directory, and then download the appropriate file name. To automate downloading the latest version, first curl the directory, and grep to find the only "arm-pi" HREF for the wget command:
+* Get the Node binary directly from the originating source at NodeJs.org (Joyent). They often have a RPi binary distribution in their latest stable release. Review the [latest node distro](http://nodejs.org/dist/latest) directory, and then download the appropriate file name. First get the node version dir, and then find the only "arm-pi" HREF for the wget command. 
+  * To automate, copy and paste this entire code block into a RPi terminal session.
 
 ```
 mkdir -p ~/tmp

diff --git a/{raspberry pi node.js}.md b/{raspberry pi node.js}.md
@@ -13,9 +13,13 @@ nver=latest
 # Download and unzip the requested Node.js for ARM-Pi which was built and distributed by NodeJs.org
 wget -N http://nodejs.org/dist/$nver/
 cat index.html | grep arm-pi | grep -o -E 'href="([^"#]+)"' | cut -d'"' -f2 > tmp1.txt
-if [[ `stat -c %s tmp1.txt` -eq 0 ]]  ; then printf "\nLatest distro is missing arm-pi\n" ; \
+
+# Since not every release has an arm-pi binary, check before attempting to download
+if [[ `stat -c %s tmp1.txt` -eq 0 ]]  ; \
+then printf "\nLatest release does not have an arm-pi binary distribution to download\n\n" ; \
 else wget -N "http://nodejs.org/dist/$nver/"`cat tmp1.txt` && \ 
 tar -zxvf node-v*arm-pi*.tar.gz; fi
+echo #nop
 ```
 
 * Move the node binaries and docs

diff --git a/{raspberry pi node.js}.md b/{raspberry pi node.js}.md
@@ -1,14 +1,20 @@
-* Get Node directly from the originating source at NodeJs.org (Joyent). They have a RPi binary distribution. Review the [latest node distro](http://nodejs.org/dist/latest) directory, and then download the appropriate file name. To automate downloading the latest version, first curl the directory, and grep to find the only "arm-pi" HREF for the wget command:
+* One option is to download the latest nodeJs.org source tarball, and make the node binary. This is a different exercise which this gist file does not address.
+
+* Get the Node binary directly from the originating source at NodeJs.org (Joyent). They often have a RPi binary distribution in their latest stable release. Review the [latest node distro](http://nodejs.org/dist/latest) directory, and then download the appropriate file name. To automate downloading the latest version, first curl the directory, and grep to find the only "arm-pi" HREF for the wget command:
 
 ```
 mkdir -p ~/tmp
 cd ~/tmp
 
-# Download and unzip the latest Node.js for ARM-Pi which was built and distributed by NodeJs.org
-wget -N http://nodejs.org/dist/latest/
+# Change to the version needed. The 'latest' version or a specific version.
+#lastest_node=v0.10.20
+nver=latest
+
+# Download and unzip the requested Node.js for ARM-Pi which was built and distributed by NodeJs.org
+wget -N http://nodejs.org/dist/$nver/
 cat index.html | grep arm-pi | grep -o -E 'href="([^"#]+)"' | cut -d'"' -f2 > tmp1.txt
 if [[ `stat -c %s tmp1.txt` -eq 0 ]]  ; then printf "\nLatest distro is missing arm-pi\n" ; \
-else wget -N "http://nodejs.org/dist/latest/"`cat tmp1.txt` && \ 
+else wget -N "http://nodejs.org/dist/$nver/"`cat tmp1.txt` && \ 
 tar -zxvf node-v*arm-pi*.tar.gz; fi
 ```
 

diff --git a/{raspberry pi node.js}.md b/{raspberry pi node.js}.md
@@ -5,8 +5,11 @@ mkdir -p ~/tmp
 cd ~/tmp
 
 # Download and unzip the latest Node.js for ARM-Pi which was built and distributed by NodeJs.org
-wget -N http://nodejs.org/dist/latest/`curl http://nodejs.org/dist/latest/ | grep arm-pi | grep -o -E 'href="([^"#]+)"' | cut -d'"' -f2`
-tar -zxvf node-v*arm-pi*.tar.gz
+wget -N http://nodejs.org/dist/latest/
+cat index.html | grep arm-pi | grep -o -E 'href="([^"#]+)"' | cut -d'"' -f2 > tmp1.txt
+if [[ `stat -c %s tmp1.txt` -eq 0 ]]  ; then printf "\nLatest distro is missing arm-pi\n" ; \
+else wget -N "http://nodejs.org/dist/latest/"`cat tmp1.txt` && \ 
+tar -zxvf node-v*arm-pi*.tar.gz; fi
 ```
 
 * Move the node binaries and docs

diff --git a/{raspberry pi node.js}.md b/{raspberry pi node.js}.md
@@ -1,4 +1,4 @@
-* Get Node directly from the originating source at NodeJs.org (Joyent). They have a RPi binary distribution. Review the [latest node distro](http://nodejs.org/dist/latest) directory, and then download the appropriate file name. To automate geting the latest version, first curl the directory, grep to find the only "arm-pi" HREF for the wget command:
+* Get Node directly from the originating source at NodeJs.org (Joyent). They have a RPi binary distribution. Review the [latest node distro](http://nodejs.org/dist/latest) directory, and then download the appropriate file name. To automate downloading the latest version, first curl the directory, and grep to find the only "arm-pi" HREF for the wget command:
 
 ```
 mkdir -p ~/tmp

diff --git a/{raspberry pi node.js}.md b/{raspberry pi node.js}.md
@@ -1,4 +1,4 @@
-* Get Node directly from the originating source at NodeJs.org (Joyent). They have a RPi binary distribution now. Review the [latest node distro](http://nodejs.org/dist/latest) directory, and then download the appropriate file name. Just automate the wget by first curl-ing the directory, and grep to find the only "arm-pi" HREF.
+* Get Node directly from the originating source at NodeJs.org (Joyent). They have a RPi binary distribution. Review the [latest node distro](http://nodejs.org/dist/latest) directory, and then download the appropriate file name. To automate geting the latest version, first curl the directory, grep to find the only "arm-pi" HREF for the wget command:
 
 ```
 mkdir -p ~/tmp

diff --git a/Notes.md b/Notes.md
@@ -42,7 +42,8 @@ sudo apt-get update
 sudo apt-get upgrade
 ```
 
-* If Wifi, try WiFi management using WpaSupplicant? 
+* I have a few old USB Belkin F5D8053.v4 WiFi which work even if not on [the list](elinux.org/RPi_USB_Wi-Fi_Adapters)
+* If Wifi, do  WiFi management using WpaSupplicant.
   ```
   sudo apt-get install wpasupplicant
   ```

diff --git a/{raspberry pi node.js}.md b/{raspberry pi node.js}.md
@@ -1,4 +1,4 @@
-* Get node.js directly from the NodeJs.org (Joyent) binary distribution. Review the [latest node distro](http://nodejs.org/dist/latest) directory, and then download the appropriate file name. Automate the wget by first curl-ing the directory, and grep to find the only "arm-pi" HREF.
+* Get Node directly from the originating source at NodeJs.org (Joyent). They have a RPi binary distribution now. Review the [latest node distro](http://nodejs.org/dist/latest) directory, and then download the appropriate file name. Just automate the wget by first curl-ing the directory, and grep to find the only "arm-pi" HREF.
 
 ```
 mkdir -p ~/tmp
@@ -25,4 +25,7 @@ sudo ln -s -f /opt/node/bin/npm /usr/bin/npm
 
 # test
 which node && node --version
-which npm && npm --version
+which npm && npm --version
+
+# Cleanup [optional]
+rm -r node-v*
diff --git a/{raspberry pi node.js}.md b/{raspberry pi node.js}.md
@@ -17,7 +17,7 @@ sudo rm -r -f /opt/node
 sudo mkdir /opt/node
 
 # Move the expanded files
-sudo mv node-v\*arm-pi\*/* /opt/node
+sudo mv node-v*arm-pi*/* /opt/node
 
 # Symlink node and npm to somewhere already in the path. Debate where... 
 sudo ln -s -f /opt/node/bin/node /usr/bin/node

diff --git a/_raspberry pi node.js.md → {raspberry pi node.js}.md b/_raspberry pi node.js.md → {raspberry pi node.js}.md
@@ -1,10 +1,12 @@
 * Get node.js directly from the NodeJs.org (Joyent) binary distribution. Review the [latest node distro](http://nodejs.org/dist/latest) directory, and then download the appropriate file name. Automate the wget by first curl-ing the directory, and grep to find the only "arm-pi" HREF.
 
 ```
-mkdir ~/tmp
+mkdir -p ~/tmp
+cd ~/tmp
+
 # Download and unzip the latest Node.js for ARM-Pi which was built and distributed by NodeJs.org
 wget -N http://nodejs.org/dist/latest/`curl http://nodejs.org/dist/latest/ | grep arm-pi | grep -o -E 'href="([^"#]+)"' | cut -d'"' -f2`
-tar -zxvf node-v\*arm-pi\*.tar.gz
+tar -zxvf node-v*arm-pi*.tar.gz
 ```
 
 * Move the node binaries and docs

diff --git a/raspberry pi node.js.md → _raspberry pi node.js.md b/raspberry pi node.js.md → _raspberry pi node.js.md
@@ -1,4 +1,5 @@
 * Get node.js directly from the NodeJs.org (Joyent) binary distribution. Review the [latest node distro](http://nodejs.org/dist/latest) directory, and then download the appropriate file name. Automate the wget by first curl-ing the directory, and grep to find the only "arm-pi" HREF.
+
 ```
 mkdir ~/tmp
 # Download and unzip the latest Node.js for ARM-Pi which was built and distributed by NodeJs.org
@@ -7,6 +8,7 @@ tar -zxvf node-v\*arm-pi\*.tar.gz
 ```
 
 * Move the node binaries and docs
+
 ```
 # Remove any old node version. Create the dir again
 sudo rm -r -f /opt/node

diff --git a/raspberry pi node.js.md b/raspberry pi node.js.md
@@ -0,0 +1,24 @@
+* Get node.js directly from the NodeJs.org (Joyent) binary distribution. Review the [latest node distro](http://nodejs.org/dist/latest) directory, and then download the appropriate file name. Automate the wget by first curl-ing the directory, and grep to find the only "arm-pi" HREF.
+```
+mkdir ~/tmp
+# Download and unzip the latest Node.js for ARM-Pi which was built and distributed by NodeJs.org
+wget -N http://nodejs.org/dist/latest/`curl http://nodejs.org/dist/latest/ | grep arm-pi | grep -o -E 'href="([^"#]+)"' | cut -d'"' -f2`
+tar -zxvf node-v\*arm-pi\*.tar.gz
+```
+
+* Move the node binaries and docs
+```
+# Remove any old node version. Create the dir again
+sudo rm -r -f /opt/node
+sudo mkdir /opt/node
+
+# Move the expanded files
+sudo mv node-v\*arm-pi\*/* /opt/node
+
+# Symlink node and npm to somewhere already in the path. Debate where... 
+sudo ln -s -f /opt/node/bin/node /usr/bin/node
+sudo ln -s -f /opt/node/bin/npm /usr/bin/npm
+
+# test
+which node && node --version
+which npm && npm --version
diff --git a/Notes.md b/Notes.md
@@ -19,10 +19,10 @@
           * Connect a keyboard to the RPi USB port
           * Plug NTSC/PAL TV into RPi composite port or HDMI monitor to the HDMI Port.
           * Turn on when connected with RPi Micro USB port cable. Powered via a computer USB port, or a USB wall charger.
-      2. Terminal Emulator with GPIO USB console cable
+      2. Terminal Emulator with USB to TTL Serial Cable console cable connected to the RPi GPIO
           * [Install PL2303 driver on OS X](http://changux.co/osx-installer-to-pl2303-serial-usb-on-osx-lio/)
           * [Adafruit Connect instructions](http://learn.adafruit.com/adafruits-raspberry-pi-lesson-5-using-a-console-cable/connect-the-lead)
-          * Do __NOT__ plug the micro USB to power on. It's already powered with the GPIO console cable.
+          * Do __NOT__ plug the micro USB to power on. It's already powered with the console cable.
 
 
 * Follow these [Adafruit instructions](http://learn.adafruit.com/adafruits-raspberry-pi-lesson-2-first-time-configuration) for post boot setup using __Raspi_Config__. To summarize:
@@ -59,7 +59,7 @@ sudo apt-get install avahi-daemon
 ```
 
 * Connect using SSH over wifi. 
-  * Disconnect GPIO cable.
+  * Disconnect console cable which is connected to the RPi GPIO.
   * Disconnect external monitor and keyboard.
   * Power with the Micro USB cable.
   ```

diff --git a/Notes.md b/Notes.md
@@ -32,7 +32,7 @@
   * [optional] Booting into Desktop when using external monitor
   * [optional] Change password
   * Choose menu item "Advanced Options"
-    * Change Hostname e.g. ```hostname_pi``
+    * Change Hostname e.g. ```hostname_pi```
     * Enable the SSH server
     * Update Raspi_Config
 
@@ -53,7 +53,7 @@ sudo apt-get upgrade
     * Create the ```etc/network/interfaces``` file (shown below).
     * Create the ```/etc/wpa_supplicant/wpa_supplicant.conf``` file (shown below).
 
-* Avahi implements the Apple Zeroconf specification, (like bonjour) after this it is easy to ping hostname_pi.local from OS X or other Bonjour configured machine
+* Avahi implements the Apple Zeroconf specification, (like bonjour) after this it is easy to ```ping hostname_pi.local``` from OS X or other Zeroconf configured machine
 ```
 sudo apt-get install avahi-daemon
 ```

diff --git a/Notes.md b/Notes.md
@@ -31,8 +31,10 @@
   * Changing Timezone
   * [optional] Booting into Desktop when using external monitor
   * [optional] Change password
-  * Configure to host the SSH server
-  * Upadate the Raspi_Config
+  * Choose menu item "Advanced Options"
+    * Change Hostname e.g. ```hostname_pi``
+    * Enable the SSH server
+    * Update Raspi_Config
 
 * Start with any linux (raspbian) updates 
 ```
@@ -51,9 +53,17 @@ sudo apt-get upgrade
     * Create the ```etc/network/interfaces``` file (shown below).
     * Create the ```/etc/wpa_supplicant/wpa_supplicant.conf``` file (shown below).
 
-* Avahi implements the Apple Zeroconf specification, (like bonjour) after this it is easy to ping hostname.local from OS X or other Bonjour configured machine
+* Avahi implements the Apple Zeroconf specification, (like bonjour) after this it is easy to ping hostname_pi.local from OS X or other Bonjour configured machine
 ```
 sudo apt-get install avahi-daemon
 ```
 
+* Connect using SSH over wifi. 
+  * Disconnect GPIO cable.
+  * Disconnect external monitor and keyboard.
+  * Power with the Micro USB cable.
+  ```
+  ssh pi@hostname_pi.local
+  ```
+
 * [Optional] Follow the [Adafruit instructions](http://learn.adafruit.com/adafruit-raspberry-pi-lesson-7-remote-control-with-vnc) to setup and control with desktop UI using VNC.
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