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Wednesday, January 30, 2013

DDClient is a Perl client used to update dynamic DNS entries for accounts on Dynamic DNS Network Services' free DNS service - Using with Dyn DNS

I installed DDClient on my Caos Linux Web Server from the Smart App Manager. I used the Caos version. There is another one there too, but I thought that the Caos version might work better in Caos. I set it up from the instructions in the ReadMe file that came with the Download on the DNS Site. And made a config file on the Dyn Site. It ran like is should in the Terminal. After Reboot, I was not sure it if Auto Started...

So, I ran the Start Command for DDClient and it was already running. So, looks like I'm good with Auto Start on my Caos Linux Server. But, I will have to wait until the next IP Address Update from my ISP to see if it is communicating with Dyn DNS, like it should. Here is the Terminal Output for two commands I ran...


[root@bishopco /]# /etc/rc.d/init.d/ddclient start
Starting ddclient:ddclient is running (1995)                            skipped
[root@bishopco /]#


Here in some info and links on ddclient... 

ddclient / Wiki / Home


Important notice

There are a few changes coming.
  • Because of some recent personal changes I'm not having enough time to work on this project any more. There are only some obvious bugreports which get solved quickly but others stay there forever.
  • Dyndns decided to change their business model and they stopped offering free account. It made me decide to make dyndns less important for ddclient.
  • Sourceforge decided to retire the hosted apps which means this trac environment will come to an end. A backup of the old trac can be found on but all usefull data will be moved to the new environment.


DDclient is a Perl client used to update dynamic DNS entries for accounts on Dynamic DNS Network Services' free DNS service. It was originally written by Paul Burry and is now mostly by wimpunk. It has the capability to update more than just dyndns and it can fetch your WAN-ipaddress in a few different ways. Check the configuration pages to find how to do this.
According to
DDclient is a small but full featured client requiring only Perl and no additional modules. It runs under most UNIX OSes and has been tested under GNU/Linux and FreeBSD. Supported features include: operating as a daemon, manual and automatic updates, static and dynamic updates, optimized updates for multiple addresses, MX, wildcards, abuse avoidance, retrying failed updates, and sending update status to syslog and through e-mail.


All news can be found on the news page but this are the lastest messages
You can also check the mailinglist to find out what's going on.


Most distributions have a recent version of ddclient. Use it unless you really need the latest version. On debian-based systems you can run apt-get install ddclient and it will install ddclient. Unless there is a good reason, you should't use the download link.
Download ddclient-3.8.1.tar.gz
Ddclient doesn't have an automatic installation procedure. Get the tar-file from using the download button and untar it. Copy the perl script to your favorite location (ex. /usr/sbin)
and create a /etc/ddclient/ddclient.conf configuration file. Don't forget to create the cache directory.
If you want the bleeding edge of ddclient, you can access the latest version using svn. Instructions can be found on the code section.
When upgrading just replace the ddclient file by the one from the package, read the release notes and modify the cache file.


If you installed ddclient by using the installer of your distribution, it probably already asked you some questions and prepared a useful config file.
There are a few configuration examples provided which you can copy to /etc/ddclient/ddclient.conf and modify. More info about the configuration can be found on the usage page. There's also a sample configuration delivered with ddclient.
A typical configuration like:
# /etc/ddclient/ddclient.conf  #  protocol=dyndns2  use=web  login=mylogin  password=mypassword  
You can run ddclient as /usr/sbin/ddclient -daemon 300 -syslog and put it in your startup scripts. There are samples of startup scripts provided with ddclient. Most distributions provide a generic startup sample. You can change it to work with ddclient. As there are to many different distributions, ddclient doesn't maintain all of them.


The documentation about the configuration has been split into three sections. The usage page describes the most parts of the configuration while the supported protocols page describes the protocol-specific options. If you want to know how to use ddclient with your router, check the supported routers.
Debugging ddclient looks pretty hard but it isn't. First try to put as less as necessary in your configuration. Try to run
./ddclient -daemon=0 -noquiet -debug  
and check the result. Try to add the features you need and check it again.
Once you're happy with the result, run it as a daemon.
If this doesn't work for you, there are a few places where you can look for help. If you need any help in configuring ddclient,
You could try ddclient --help. It should give you all the possible configuration options so.
If you think your configuration is correct, but ddclient doesn't work as you expected, you can enable debug and verbose messages by running
ddclient -daemon=0 -debug -verbose -noquiet  
We know the manual is not very clear, you have to read the example configurations included in the tar-file or you can run ddclient --help to get more help.

Help and bugreporting

If you need extra help, have any bug to report, an enhancement to submit or a feature request, you can create a new ticket or use the ddclient mailing list. Please only post bugs against the latest version of ddclient. The old tracking system can be found on the project page.


Wiki: usage
Wiki: protocols
Wiki: routers

Go there...

Dyn DNS & Domains - I use for Domain Name Fowarding
Support - Dyn
Current IP Check
Update Client Configurator | My Dyn Account
Dyn Update Clients - Dyn
Linux Update Clients - Dyn
Open Port Tool | My Dyn Account - Support -- Tools -- Secret Registration
Dyn Email Test Tool | My Dyn Account
Linux Update Client: ddclient - Dyn
ddclient / Wiki / Home

Web, the Open Source Web Browser, by Gnome

Introducing, Web. No, not the Internet... The Open Source Web Browser, by Gnome...


Design/Apps/Web - GNOME Live!



A simple, clean, beautiful view of the web.


Design: WilliamJonMcCann, JakubSteiner

Development: XanLopez, ClaudioSaavedra, DiegoEscalanteUrrelo


  • Needs design

    Design in progress

    Needs implementation

    Implementation in progress




  • Focus on the current page content
  • Provide inter page navigation
  • Support:
    • Printing
    • Saving page as PDF
    • Sharing links easily
  • Integrate web search functionality
  • Support in page search
  • Support page multi-tasking without reloading content, interrupting active sessions, or losing form data
  • Displaying page view history
  • Clearing page view history
  • Saving form submission data
  • Saving web usernames and passwords
  • Provide a reminding function for things to do/read later
  • Identify pages as important so they may appear more prominently in search results
  • Make it very easy to reopen a closed page
  • Provide a way to turn a page into an application
  • Use the OS notification system for page notifications


GNOME’s Open Source Web Browser Called Web
Is GNOME's Open Source Web Browser Ready for the Masses? | The VAR Guy
Design/Apps/Web - GNOME Live!

Tuesday, January 22, 2013

Tutorial on how to update from Fedora 17 to Fedora 18 with FedUp

Here's a quick Tutorial on how to update from Fedora 17 to Fedora 18 with FedUp...


How To Upgrade From Fedora 17 To Fedora 18 With FedUp (Desktop & Server)

Version 1.0
Author: Falko Timme <ft [at] falkotimme [dot] com>
Last edited 01/21/2013
This article describes how you can upgrade your Fedora 17 system to Fedora 18 with the help of the Fedora Updater (FedUp). The upgrade procedure works for both desktop and server installations.
I do not issue any guarantee that this will work for you!

1 Preliminary Note

The commands in this article must be executed with root privileges. Open a terminal and log in as root, or if you log in with a regular user, type
to become root.
Please make sure that the system that you want to upgrade has more than 600 MB of RAM - otherwise the system might hang when it tries to reboot with the following message (leaving you with an unusable system):
Trying to unpack rootfs image as initramfs...

2 Upgrading To Fedora 18 (Desktop & Server)


Fedora Project
Fedora Project
Fedora Forum
Fedora Solved
Fedora Weekly News
Planet Fedora
Join Fedora!

Saturday, January 19, 2013

Hitachi LCD Driver Low res Monochrome, up and going again

Here's a very well written and detailed, how he did it. On getting an old Monochrome LCD up and going again....


Low res monochrome Hitachi LCD driver

Hitachi HD61830 HD61200 FPGA

  • Please log in to reply
4 replies to this topic

#1 alex

Posted 17 January 2013 - 11:52 PM

A friend of mine found a junked Hitachi LCD and gave it to me to see if I could get it going. The LCD is an older type, monochrome low resolution. I couldn't find a datasheet for it or pinouts so I went old school and tracked down datasheets for the chips on board and did some reverse engineering of the schematic using a continuity meter. A very good datasheet resource is the "Hitachi LCD Controller Driver LSI Data Book" which is a compendium of a large number of Hitachi LCD controller chips.

According to the datasheet, the large chips on board are six HD61200 column shifters (IC3,4,5 and IC 6,7,8) and two HD61203 row shifters (IC 1,2). The unpopulated footprint is is a little weird with some missing pin traces (the one trace gaps on the short edge of the chip) and one less pin on one side of the chip compared to the other side. This footprint matched exactly the footprint of the HD61830 controller chip. The last unpopulated footprint of IC12 should be a SRAM chip for the IC11 controller.
The LCD has one 20 pin set of connections that just go to the unpopulated IC11 controller chip. It also has a 10 pin edge connector that connects to the outputs of the IC11 controller and the inputs of the row/column shifters. It appears the PCB was designed to work in both a smart mode (with controller) and a dumb mode (no controller) hence the two different connector options.
Because the controller chip was missing, I realized immediately that this LCD could not be driven in a static mode, where you just write data to the LCD internal memory and you can leave it alone to display that data. Instead this LCD would be more like a VGA display where you must constantly send data to it to refresh the picture.


Hitachi LCD Driver Low res Monochrome, up and going again
Breathing life into an old LCD
Low res monochrome Hitachi LCD driver - Papilio One - Gadget Factory Forum
This week we are launching Wikivoyage . Join us in creating a free travel guide that anyone can edit.
lcddabo.pdf (application/pdf Object)

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Breathing life into an old LCD
Building an automatic bicycle transmission in a week
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Tuesday, January 15, 2013

GRUB2 runlevel 3 – Howto Change runlevel on GRUB2

Here's a great Article on How to Change Run Levels in Grub2.... 


GRUB2 runlevel 3 – Howto Change runlevel on GRUB2

This is quick guide howto change runlevel on GRUB2.

(Skipping on down. Read the rest on his page at the link below...)

1. GRUB2 Default Screen

Press arrow key when you see GRUB. Select (highlight) kernel to edit and press 'e'.

2. Add unlevel parameter on Linux line

Goto 'linux' line with arrow keys, then press 'end' button to get end of line (or move cursor to end of line with arrow keys). Write space and your runlevel number end of line. Here I use runlevel 3.

3. Boot to selected runlevel

Press Ctrl+x or F10 to boot (esc to cancel).

Fedora Linux Grub1 and Grub2 Changing Runlevels at Boot Time
Google Custom Search
DonsDeals: Fedora Linux, Changing Runlevels at Boot Time
DonsDeals: Fedora 13 Booting into Single-User Mode
DonsDeals: How To: Install ATI Catalyst (fglrx) Drivers - I fixed my Broken ATI Driver this way too.
DonsDeals: Changing Run Levels in Fedora at Boot Time...
E.8. Changing Runlevels at Boot Time
How to Change Runlevels — Fedora Unity Project
GRUB2 runlevel 3 – Howto Change runlevel on GRUB2
Fedora Linux Grub2 Changing Runlevels at Boot Time - Google Search

Copyright Trolls Strike Again! - Your video is blocked in some countries - YouTube

Well, the Copyright Trolls Strike Again! And this time it's at me!:( I have had this nice little video up for several years now. It's of the Christmas Show of 2009. Here in my Town. A mix of Video and Pics that I shot, in my Yard. At first, it had more video than music. I just had one song. Bing Cosby's White Christmas. But, the video kept on going after the song and I never liked that. But, everything was just fine with YouTube since 2009 till about 2011. Then, last year. I found some great old Christmas Music on here ( and here ( So, I know that it is in the Public Domain and free for Public use. So, I added it and some more of my Pics to the Slide show in the Video to make it better. Since then, I've had this Copyright Notice on my YouTube Page. It's not Blocked all together. Just in Certain Countries. Why should I care. Well, this stops me from being able to Monetize my YouTube Page. Ya, Like I would actually make any money on it!... But, the thing I actually do care about, is... Everyone else get's to put up much longer videos. Up to an hour, if I remember right. And I'm still stuck wit the 10 minute limit, because of this, "Copyright Notice". And I have some long videos of me Replacing the Wheel Bearings on my 1976 Chevy Blazer 4x4. That I really want to put up. And I don't have time to Edit several days of video footage, down to 10 minute clips. Nor do I wan to. I have plenty of music of my own that I could use. I'm  a Singer Song Writer and have two Albums that I recorded and own the Copyrights on. I give my music away on my Web Site, at Check it out, if you like and download away!:) But, I really like the way the songs fit the video and the messages of the songs really go with it better than any of my music would. So, I could Contested the Copyright Claims. And actually a couple of them were released (see info below). But, most of them were not released. And this kills the whole deal. I could Contest them again. As it says on my Video Admin Page on YouTube. But, Check out what it says, when you click on the link!!!

"Appeal reinstated claim
Are you sure you want to appeal?
You will be required to provide your contact information to the claimant. An appeal will result in either: the release of a claim on your video OR a legal copyright notification from the claimant. In this event your video will be taken down and you will receive a copyright strike on your account. If you have received additional copyright strikes, this may suspend your YouTube account Learn more To appeal a reinstated claim, you'll be asked to verify your account, if you haven't already, and explain the basis for your appeal in detail."

So, I doubt that the rest of these Trolls will let go of that tiny little golden nugget. Even though, holding it stops them from being able to get their hands out of the Cookie Jar, long enough to even Eat the Cookie! They are cutting off the Ears of their Customers to Spite their own Faces! How's your Sales been since you started attacking your Customers!?!?!? So, thank you Copyright Trolls! For hounding the fun out of everyone on
YouTube and restricting things that you don't even Own!!!:) 

So, I guess I will end up taking the video down and Re-Editing it to go with my Own Music, after all...


Video Link (while it's still up)...

  • Copyright Notice

Dons Snow Video Christmas Eve 1PM to Morning 9AM Azle TX 12-25-09

Your video may include music that is owned by a third party.

Here are the details:

To learn more about how claims impact your videos click here

Go there (may not work, is in my Admin area)...

Appeal reinstated claim

  • the release of a claim on your video
  • OR a legal copyright notification from the claimant. In this event your video will be taken down and you will receive a copyright strike on your account. If you have received additional copyright strikes, this may suspend your YouTube account Learn more

To appeal a reinstated claim, you'll be asked to verify your account, if you haven't already, and explain the basis for your appeal in detail.

Go there (OR NOT)...

Also, I found a new Beta Audio Editing Feature for YouTube Videos here (in my Admin area)...

Looks like I could just delete one song by Peggy Lee. Which I know is in the Public Domain. If it works, that is. I know that this portion of my original Audio was one continuous Audio file. So, this Beta Audio editor would have to find the beginning and ending of one song in the midst of a non stop Medley of Songs. To get the Audio Edit right. Not likely, for an Automated Computer Audio Editing Online App. And Then the Trolls would be somewhat satisfied. I guess... As long as they get to Advertise on my Video. Advertising is not a Problem to me. But, this is a complete mess for sure!

Ok, I did it! I deleted the Peggy Lee song, Snow. Which actually has Bing Crosby and two other ladies from the Holiday Inn (White Christmas) Movie singing the song. Peggy Lee may have sung on the Sound Track. I don't know. But, I think it was the Actors in the Movie, singing in this recording. I remember it well, cause I've seen the movie many times. Ever since I was a kid. And I'm now 56. I can see the scene and hear it like I was watching the movie now. What a big bunch of K-Rap in the Snow!!! Soon, you will be able to watch my video with a big 2 minute blank Space in the Audio! Happy Holidays Trolls!!!


Remove a Song - Beta 4 tracks found in your video

I Like a Sleighride (Jingle Bells) Peggy Lee

White Christmas BING CROSBY

Rudolph the Red Nosed Reindeer Dean Martin

Snow Peggy Lee

Here's some links to my Free Music - DonSongs Living Beings Don Bishop Music MP3s Poems Lyrics | donsongs's playlist
Playlist | LivingBeings-ClimateControl | Manage Playlist Songs
DonSongs Living Beings Don Bishop Music MP3s Poems Lyrics
Free MP3 Downloads - Living Beings - Climate Control | LivingBeings-ClimateControl
Christian Music Underground (CMU) : Free Audio : Download & Streaming : Internet Archive
Living Beings - Climate Control : Don Bishop : Free Download & Streaming : Internet Archive
DonSongs 002 MP3
DonSongs 002 Album : Don Bishop : Free Download & Streaming : Internet Archive
DonSongs Living Beings Don Bishop Music MP3s Poems Lyrics
DonSongs 002 MP3
Free MP3 Downloads - Living Beings - Climate Control
DonSongs 002 : Don Bishop : Free Download & Streaming : Internet Archive
Index of
Don Was Here! : Living Beings Climate Control

A guide to teaching NoSQL databases to undergraduate students -

This Article has some interesting info on and on teaching about NoSQL Databases...


Image by

In two recent posts, we described a set of tutorial sessions teaching open source NoSQL databases at SUNY Albany. These practical sessions covered:

  1. MongoDB: a document database
  2. Neo4j: a graph database
  3. M: a hierarchical database 

The tutorials were prepared online using Sphinx and where planned to be executed as hands-on exercises by students in just about one hour each. The tutorials were delivered in two undergraduate Database classes with instructors Dima Kassab and Alex Jurkat, and one group in the MBA program, with instructor Shobha Chengalur-Smith.

From the class reviews made by the students at the end of the semester, we gathered that they appreciated three main aspects of these exercises:

  • Having practical sessions to interact with database concepts.
  • Using a server with a preconfigured database along with web-based tutorial materials.
  • Having external visitors sharing and assisting with the class.

There are two aspects worth highlighting on the practical nature of the exercises. On one hand, they illustrated how several of the database concepts that students have learned in class, applied to real-world situations. Particularly in the case of MongoDB as used for document management, and in the case of M as used as a standard NoSQL database in healthcare and financial applications. On the other hand, the tutorial sessions were structured as "lessons" where the students followed a series of step-by-step instructions and executed them at their own pace. This, of course, meant that some of the students finished the exercises very early, while others had to continue with the exercise in the days following the class. This gesture of the students coming back to finish the exercises afterward, was for us a sign of successfully having managed to attract their attention to the subject.

The students worked on a simplified version of a social network— combining basic information about themselves and information about their favorite movies. Using a topic the students could relate to quickly was one of the key ingredients for getting them interested in the exercise. Also, the students were all working in the same database, meaning that as they added records to it, they could see the work of their peers. This shared resource added to the flavor of group interactive work and facilitated conditions to expose them to some of the typical challenges of databases, in particular:

  • Inconsistencies
  • Duplication
  • Race conditions

As the database was reused by subsequent tutorials, students down the line also benefited from starting with a populated database, and that grew to several hundreds of records. Thanks to the fact that we ran six sessions in total, as instructors we also got to experiment with several approaches, some that worked better than others, and converged to the following observations.


  • The use of the command line.
  • SSH logins to remote servers.
  • Copying files across servers.
  • Synchronized instruction (the instructor talking to all of the students at the same time)
  • Reading tutorial background material during the class


  • Reading the background material as homework in preparation for the practical session in class.
  • Use of web-based interfaces during the exercises. In particular the Neo4j web interface for displaying graphs, and its online console for Gremlyn.
  • Use of iPython notebook combined with pyMongo to perform interactive exercises using python, as well as with the Python bindings for M.
  • Have multiple helpers. We were lucky to count in some cases with up to four people assisting the students. For example, in Dima Kassab’s class we had her Teaching Assistant, Ocieka Bakou, and also had the help of Amir Sadoughi (from RPI), who was very kind to help us in four other sessions. The presence of multiple helpers is essential when guiding the students to follow the lessons at their own pace. The helpers found themselves going from chair to chair providing clarifications and useful hints.
  • Pre-populate the databases with a couple hundred records. This makes it easier to start with Query exercises as the first activity, then do Updates and Insertion as second activities.

The Command Line

I must say that it is unfortunate not to be able to use the command line, and that this is certainly a void that has to be filled at some point in the education of undergraduates in technology. The time available for the database class, just didn’t allowed us to take the proper time to train the students in the proper use of the command line. It is true too that the core of the class was supposed to be focus on database concepts and not necessarily on the practical details of deployment. For example, the issues of security were not part of the topics that the class intended to address. This was by design.

On the front of using web-based interfaces, I can’t say enough good things about iPython Notebook. It is simply a superb tool for teaching, and I just wish I had started using it earlier. A couple of pragmatic recommendations on its use:

  1. Create notebooks for every student in advance (for example, using their names). Otherwise, you get into race conditions when 25 students are editing notebooks at the same time.
  2. Take the time to give students a quick tour of it's use before diving into the exercise.
  3. Be prepared for the wireless network to not work properly at times! (Sometimes I think networks and printers exist just to test our character.)

A final observation

The instructors discussed among ourselves the importance of having a server dedicated to the class, where instructors and students had access to play with the tools. Such a server is certainly not setup with security as its main feature, and it is fundamental to find the balance between quick usability for educational purposes and a light exposure to the realities of deploying applications in production. In our sessions we took advantage of a server in the Amazon EC2 cloud, where we set up the databases and their web interfaces. It is however costly to keep the server up on a continuous basis, so we will be exploring some of the options that Amazon offers for education.

This wrapped up our teaching sessions on NoSQL databases for 2012. We are planning on doing the sessions again during the Spring 2013 semester, and we are looking at a similar approach for the Web Development course (also during the Spring semester).

Go there...

Open Source NoSQL Databases
A guide to teaching NoSQL databases to undergraduate students |
An HTML Notebook IPython — IPython documentation
Informatics Department - University at Albany - SUNY - University at Albany-SUNY
OSEHR/m.js · GitHub
Design and implementation of open source NoSQL databases course |
Linux Today - A final lesson on teaching open source NoSQL databases
Linux Today - Couchbase Unleashes Open Source NoSQL Database
Linux Today - Education for the real world: Open course on open source NoSQL databases
AWS for Education
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