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by joan
Wed Jul 18, 2012 5:31 pm
Forum: Other programming languages
Topic: Scratch
Replies: 1
Views: 764

Re: Scratch

Never heard of scratch.

Just downloaded the scratch package for Debian wheezy.

When I do ssh -X raspberry scratch a blank window pops up. I can't find a way to interact with the window.
by joan
Wed Jul 18, 2012 4:42 pm
Forum: Beginners
Topic: Beginners help required to varify downloaded OS
Replies: 14
Views: 3175

Re: Beginners help required to varify downloaded OS

Yes, that is right.
by joan
Wed Jul 18, 2012 4:14 pm
Forum: Raspbian
Topic: WiFi Setup
Replies: 8
Views: 6376

Re: WiFi Setup

Enter the command

dmesg | more

and look for references to your dongle. It may indicate it needs firmware.
by joan
Wed Jul 18, 2012 4:01 pm
Forum: Troubleshooting
Topic: FTP server problems ...
Replies: 3
Views: 3899

Re: FTP server problems ...

I've only used Debian squeeze and wheezy. Not sure if either have an ftp server enabled by default as I always

sudo apt-get install vsftpd

If you go that route you'll need to edit /etc/vsftpd.conf and uncomment these lines:

local_enable=YES
write_enable=YES
by joan
Wed Jul 18, 2012 12:05 pm
Forum: Beginners
Topic: New wheezy installation + wifi problems
Replies: 3
Views: 1399

Re: New wheezy installation + wifi problems

Edimax provide this driver and notes.
by joan
Tue Jul 17, 2012 10:24 pm
Forum: Raspbian
Topic: Resizing raspbian
Replies: 3
Views: 2665

Re: Resizing raspbian

1.- Must the swap file be at the end? No 2.- If the swap file must be at end, then I must erase the swap file, resize the ext4 partition and create the swap file at the end? N/A 2.- 256 MByte of swap file is enough? Don't know. I deleted the swap partition. It's not used by the default Debian squeez...
by joan
Tue Jul 17, 2012 10:12 pm
Forum: Beginners
Topic: Beginners help required to varify downloaded OS
Replies: 14
Views: 3175

Re: Beginners help required to varify downloaded OS

The website shows the sha-1 checksum for the zip file and can be used to confirm it has been downloaded properly. The zip archive has the sha-1 checksum for the image (.img file) to be written to the sd card. This checksum confirms that the zip archive has been expanded properly. windiskimager is th...
by joan
Tue Jul 17, 2012 5:57 pm
Forum: Other projects
Topic: On/Off Switch
Replies: 8
Views: 2076

Re: On/Off Switch

Joan, can you explain a bit more? Not sure what you mean Nothing sinister. A lot of switches have screw connections to hold the wires in place. No soldering required. You'll need the ground wire as well as the 5V wire to form a circuit. i.e. PSU 5V -------------------------------------- Switch ----...
by joan
Tue Jul 17, 2012 5:43 pm
Forum: Raspbian
Topic: Changing Distros - Help
Replies: 6
Views: 985

Re: Changing Distros - Help

You may have some joy with the find command to pinpoint files that have been modified recently,

e.g.

find /etc -mtime 1 -type f

will show all the files in /etc which have changed in the last 2 days.

That may jog your memory enough to be able to document the changes.
by joan
Tue Jul 17, 2012 8:26 am
Forum: Other projects
Topic: On/Off Switch
Replies: 8
Views: 2076

Re: On/Off Switch

Get a switch with screw terminals and you won't need to solder.
by joan
Mon Jul 16, 2012 9:38 pm
Forum: Beginners
Topic: Error installing ca-certificates
Replies: 11
Views: 9307

Re: Error installing ca-certificates

Sounds like a transient error, perhaps try again?
by joan
Mon Jul 16, 2012 4:30 pm
Forum: Advanced users
Topic: mount Pi Sd card in USB
Replies: 12
Views: 37470

Re: mount Pi Sd card in USB

Try the command dmesg after plugging the card + reader into the usb port. It'll indicate if the card was recognised or not.
by joan
Mon Jul 16, 2012 11:31 am
Forum: Advanced users
Topic: Disable 'startx' Command
Replies: 8
Views: 4068

Re: Disable 'startx' Command

bredman wrote:The correct method to add a new user is described in the wiki
http://elinux.org/RPi_Beginners#Create_ ... privileges
I would omit the addition of the user to the sudoers file or sudo group in a school environment. That gives root access to the user which may not be desirable.
by joan
Mon Jul 16, 2012 7:57 am
Forum: Advanced users
Topic: Disable 'startx' Command
Replies: 8
Views: 4068

Re: Disable 'startx' Command

There are other ways of starting X so it won't stop a knowledgeable user. That said. [email protected]:~$ which startx /usr/bin/startx [email protected]:~$ ls -l /usr/bin/startx -rwxr-xr-x 1 root root 4834 Jun 16 22:07 /usr/bin/startx [email protected]:~$ sudo chmod og-x /usr/bin/startx [sudo] password for joan: [email protected]:~$ l...
by joan
Mon Jul 16, 2012 7:50 am
Forum: General programming discussion
Topic: Bread board problems
Replies: 6
Views: 1367

Re: Bread board problems

A breadboard is just a mechanical device and doesn't require programming (although I suppose plugging pieces of wires into holes to interconnect components may be called programming). Microcontrollers/microprocessors you plug into the breadboard may require programming. The particular device would d...
by joan
Sun Jul 15, 2012 9:51 pm
Forum: Other projects
Topic: SD Cart slot - possible to move?
Replies: 5
Views: 834

Re: SD Cart slot - possible to move?

I'm using a Samsung microSD card in an adaptor. No problems with my Raspberry.
by joan
Sun Jul 15, 2012 8:55 pm
Forum: General discussion
Topic: Anyone have wifi dongle without external power?
Replies: 45
Views: 24592

Re: Anyone have wifi dongle without external power?

I'm using a wifi dongle marketed as sweex. It uses a Ralink chipset and declares itself as idVendor=148f, idProduct=2573.

Plugged directly into the Raspberry. No hub required.
by joan
Sun Jul 15, 2012 8:15 pm
Forum: Beginners
Topic: Connecting to a windows laptop to share its wireless adapter
Replies: 2
Views: 971

Re: Connecting to a windows laptop to share its wireless ada

It is certainly possible.

Quickest way to confirm is to connect your raspberry and PC by an ethernet cable (it doesn't matter if it's a patch or crossover cable).

It may work straight away once you've set up sharing. If not you'll probably need to configure the raspberry's IP address.
by joan
Sun Jul 15, 2012 7:31 am
Forum: Arch
Topic: X forwarding over SSH
Replies: 3
Views: 6069

Re: X forwarding over SSH

What happens if you enter the command?

ssh -X raspberry-name-or-address xeyes

Does

xhost +

on your local machine make any difference?
by joan
Fri Jul 13, 2012 9:47 pm
Forum: Troubleshooting
Topic: OK light flashhes 6 times after update (solved)
Replies: 4
Views: 1036

Re: OK light flashhes 6 times after update (solved)

I have had a corrupt start.elf twice after doing an rpi_update (second time was earlier tonight). I get the repeated six fast green led flashes. I take the card out and bung it in my Debian laptop. First problem is the filesystem is mounted read only as it's corrupt. On Debian I have to unmount the ...
by joan
Thu Jul 12, 2012 3:26 pm
Forum: Beginners
Topic: Raspbmc how to use SFTP?
Replies: 5
Views: 4689

Re: Raspbmc how to use SFTP?

That may be a question for the raspbmc forum. Looking through faqs there they certainly mention command line commands to there must be a way!
by joan
Thu Jul 12, 2012 3:13 pm
Forum: Beginners
Topic: Robbery leads upgrade.
Replies: 27
Views: 4254

Re: Robbery leads upgrade.

Manna from the gods! I was on ebay today but didn't spot it, so many thanks. I've already sent my message to him. I've just had an email from ebay telling me they have de-listed that supplier, though not saying why. This is a bit of a nuisance, as I had already ordered the card with pre-loaded Debi...
by joan
Thu Jul 12, 2012 11:23 am
Forum: Beginners
Topic: Raspbmc how to use SFTP?
Replies: 5
Views: 4689

Re: Raspbmc how to use SFTP?

I use Debian and vsftpd. If you use Debian issue the commands sudo apt-get update sudo apt-get install vsftpd You'll need to edit the configuration file /etc/vsftpd.conf and remove the # (indicating a comment) on the lines local_enable and write_enable. Then you should be able to sftp into your Pi. ...
by joan
Thu Jul 12, 2012 10:59 am
Forum: Beginners
Topic: Updating Files
Replies: 2
Views: 519

Re: Updating Files

That's a big question which I won't attempt to answer as it varies between distributions. I use Debian, which you might be using on your Raspberry Pi. Debian keeps a note of all the packages installed on your machine. Have a look in /var/cache/apt/archives on your Pi. The base distribution you want ...
by joan
Thu Jul 12, 2012 10:40 am
Forum: Other projects
Topic: Clearish plastic case
Replies: 3
Views: 1457

Re: Clearish plastic case

@TMFS: :oops: Don't worry. I found your post.

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