Raspberry Pi Forums

Lob0426

Here is a link that might help you. http://freneticrapport.blogspot.com.au/2013/01/first-raspberry-pi-model-512mb-off-re_24.html He converts a 512MB B model into an A model. he also shows what components are not needed after the conversion. Removing the USB port is a matter of starting with some sid...

Lob0426

Here is a simpler version that works for most people.
this is for WPA2

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cd /etc/network

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sudo nano interfaces

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auto lo

iface lo inet loopback
iface eth0 inet dhcp

allow-hotplug wlan0
iface wlan0 inet dhcp

wpa-ssid "your SSID"
wpa-psk "Your wifi password"

Lob0426

You have three hubs. Your model B has a USB hub, the LAN9512chip provides 2 USB and the Ethernet; Device 002 Linux Foundation 2.0 root hub Then the other two are because you probably have a 7 port hub; Device 005 Genesis Logic, Device 006 Genysis Logic, 4 port or less report only a single hub! You m...

Lob0426

Cut the usb port off, solder on flying wires, de-case a usb stick, solder to teh wires, wrap it in kapton tape and then stick it down on the Pi board. It will fit within the footprint of the board and within the height of the USB socket. I haven't done it to a Pi, but it's the way I added a 'disk' ...

Lob0426

I removed the USB connector and soldered in 1/10th inch pin headers. I then made USB dongles that plugged into them. Height could be a problem here for you. I also have soldered dongles directly to the board. The direct solder method is not very robust. USB wires are just too small. I had problems w...

Lob0426

Probably your best solution then is to start over. If all you have on there is RaspBMC then it should not take too long to rebuild. I only screwed up my sudoers file not the whole /etc directory. There is a lot in there. First thing to do after a new install would be to set the root password as abov...

Lob0426

at the command line enter

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passwd

then enter

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su -

Then you should be able to edit /etc permissions

I should have written this down when it happened to me, but I did not. Now I am trying to remember just what I did do.

Lob0426

You should still be able to set a root password

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passwd

It will ask you for a UNIX password. Then enter a password.
Enter it again.
Now you should be able to fix the error.

I had the same issue and was able to fix it this way.

Lob0426

I have ran the same tool on my web site before. I am looking into how to solve these issues. In between I decided to make this guide! There is no overall server config file, at least that I know of. Another bottleneck is that my outgoing connection is 100Kb. I will have to look into Apache2 modules....

Lob0426

.htaccess was called for by WP Fast Cache. Not a necessity but the cache does help the page serve speed. So does installing php-apc. WP Super Cache I believe supports compression, but I have had trouble getting it to work with the RasPi. My site does show up in google. That is more because of the us...

Lob0426

If you do not create .htaccess you will get an error that says the plugin could not edit .htaccess for you. That is where the code came from is that error message. I will check the code for .htaccess. It looks fine, but I will compare it to the original. Richard EDIT: .htaccess was truncated! It has...

Lob0426

I think I have it (Lighttpd) all straightened out now! :oops: It is on my web site at. http://rich1.dyndns.tv/?page_id=567 I had some segmentation faults that seem to have been cured by adding in some reboots. I simplified a couple of steps and kept the directory at /var/www/wordpress rather than /v...

Lob0426

Note: This worked perfect the first time. The second time I ran it, it was a mess. I am working on a simplified version right now. Richard Setup Lighttpd: sudo apt-get update sudo apt-get upgrade Install Lighttpd: sudo apt-get install lighttpd php5-cgi Install MySQL: sudo apt-get install php5-gd mys...

Lob0426

Offcenter wrote:Thank you SO much, Rich.
I haven't had a chance to get back to this yet. So now I'll wait
for your followup.

The Lighttpd guide is now up on my site now. Follow it instead of the Apache build. You install Lighttpd and MySQL Then jump back at Installing WordPress. After that it is all the same.

Lob0426

I have successfully used Lighttpd to install WordPress.

I am now working on a supplement that will detail the differences.

Lob0426

Back-powering works just fine. It does bypass the fuse but so does powering through GPIO.

What is not recommended is using a hub that is back-powering while using a PSU to power the RasPi at the same time. One or the other not both!

Lob0426

The USB standard itself is only 500ma per port. A B model RasPi can use 700ma by it self and F3 is rated at 750ma. F3 can usually handle more than the 750ma. But it will start reducing the voltage that goes through it. As to how the circuitry could be changed to make this work! As a retail product t...

Lob0426

I have a D-Link DUB-H7 that I use to power my Pi (I connect a cable straight from one of the hub's powered USB ports to my Pi's micro USB power connect) with zero issues. No problems at all and one less cable/PS to worry about. That is how most people power their RasPi's from a hub. The main advant...

Lob0426

At this point the Foundation is leaving "casing" options up to the free market. And yes the Foundation wanted the board to touched. But as a practical matter it would have been a better educational device inside a keyboard. One thing the schools never did was to disassemble a PC in the classroom. Pe...

Lob0426

Ok, Domain will be the URL that you use at NOIP. No you do not include domain as part of the name. I use DynDNS so; rich1.dyndns.tv Inside WordPress it needed; rich1.dyndns.tv/wordpress Rewrite rules: Here is an explanation. From what I saw I need to read it too. :oops: http://www.addedbytes.com/art...

Lob0426

And I would build it just as a Processor board with pins only and no other connectors. You would build or buy dongles and daughter cards for all your connection needs. BUT,,,, the overall cost to own would at least double. Those dongles and cards would be buried in profit margins. The Foundation dod...

Lob0426

The U.S. Army Land Warrior project used this same class of processor.

They were using WIN2000 as the operating system. Probably compiled for ARM. That system has seen combat use now. I wonder what OS it is using now.

I bet the Carrier One board is a whole lot smaller than what is in Land Warrior!

Lob0426

Except for he fact that you are using Lighttpd, it should go pretty smooth. None of those instructions were tested with it! I rebuilt those WordPress servers from scratch about 8 times. I took notes each time. That is where this guide came from. So I recommend you take notes at each problem that cro...

Lob0426

The processor is basically a daughter board on top of the "carrier" board. It has memory off of the SoM, on the daughter board. http://imx.solid-run.com/wiki/index.php?title=Carrier-One_Hardware On the bottom of the board are these. mini PCI-E connector mSata connector Those might be why the 2A spec...

Lob0426

WP Fast Cache needs .htaccess to work. WP Fast Cache basically converts the pages to static pages. This speeds up WordPress. It will slow down the site for everybody somewhat. One of the other caches may not need .htaccess to work. Keep from overfilling the site full of plugins and widgets and it sh...

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Re: [Help] [Model B] Removing components safely

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