Editing Easy Debian

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** '''First screen''' will give you '''a warning''' which you should acknowledge by clicking OK.
** '''First screen''' will give you '''a warning''' which you should acknowledge by clicking OK.
** '''Second screen''' will ask you to '''Choose an image to download''' and give you 3 image options. For the sake of this tutorial, I choose the first option, '''image v3e'''.  
** '''Second screen''' will ask you to '''Choose an image to download''' and give you 3 image options. For the sake of this tutorial, I choose the first option, '''image v3e'''.  
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** '''Third screen''' will ask you to '''Choose Memory Card''' where to place the image file to either MyDocs (which in our case, is the internal memory of the phone) or MicroSD (assuming you have a microSD installed in your phone) (after decompression it will be a 2 GB file), either on the [[Nokia N900|N900's]] built in storage (under MyDocs), or on an external MicroSD card (if available). That will start the download of the compressed image (about 300 MB) and eventual extraction of the image file. It may take more than 15 minutes to download if you have fast Internet connection, and another 30 minutes  or more to extract it on your tablet. Make sure that there are no other processes running and that the extraction is not interrupted.
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** '''Third screen''' will ask you to '''Choose Memory Card''' where to place the image file to either MyDocs (which in our case, is the internal memory of the phone) or MicroSD (assuming you have a miscroSD installed in your phone) (after decompression it will be a 2 GB file), either on the [[Nokia N900|N900's]] built in storage (under MyDocs), or on an external MicroSD card (if available). That will start the download of the compressed image (about 300 MB) and eventual extraction of the image file. It may take more than 15 minutes to download if you have fast Internet connection, and another 30 minutes  or more to extract it on your tablet. Make sure that there are no other processes running and that the extraction is not interrupted.
** You can check for a successful download and extraction by typing<pre>ls -l /home/user/MyDocs/debian*</pre> in [[terminal|XTerminal]]. The compressed image name has the ending .img.ext2.lzma; when decompressed the file name ends in .img.ext2 and it should have a file size of exactly 2147483648 bytes.
** You can check for a successful download and extraction by typing<pre>ls -l /home/user/MyDocs/debian*</pre> in [[terminal|XTerminal]]. The compressed image name has the ending .img.ext2.lzma; when decompressed the file name ends in .img.ext2 and it should have a file size of exactly 2147483648 bytes.
* This step is an alternate way to do the previous step: You can manually download the image file from [http://qole.org/files//debian-m5-v3e.img.ext2.lzma here]. Afterward you will have to copy it into <code>/home/user/MyDocs/</code> or into <code>/media/mmc1/</code> depending on whether you want it installed on the internal storage or on a removable storage.  Then, when you run "Debian Image Installer" it will detect that you already have the file and proceed to extract it and set it up for you. For detection of your already placed debian* file stated above, the Debian Image Installer still need to connect to the internet for file checking purpose. If you have a faster computer with [http://www.7-zip.org/ programs] to unpack [[:wikipedia:Lempel%E2%80%93Ziv%E2%80%93Markov_chain_algorithm|lzma]]-compressed files, you may also skip the Debian Image Installer by copying the uncompressed file by USB to the <code>/home/user/MyDocs/</code> folder.
* This step is an alternate way to do the previous step: You can manually download the image file from [http://qole.org/files//debian-m5-v3e.img.ext2.lzma here]. Afterward you will have to copy it into <code>/home/user/MyDocs/</code> or into <code>/media/mmc1/</code> depending on whether you want it installed on the internal storage or on a removable storage.  Then, when you run "Debian Image Installer" it will detect that you already have the file and proceed to extract it and set it up for you. For detection of your already placed debian* file stated above, the Debian Image Installer still need to connect to the internet for file checking purpose. If you have a faster computer with [http://www.7-zip.org/ programs] to unpack [[:wikipedia:Lempel%E2%80%93Ziv%E2%80%93Markov_chain_algorithm|lzma]]-compressed files, you may also skip the Debian Image Installer by copying the uncompressed file by USB to the <code>/home/user/MyDocs/</code> folder.
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  deb http://ftp.debian.org/debian squeeze main contrib non-free
  deb http://ftp.debian.org/debian squeeze main contrib non-free
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  #deb http://www.debian-multimedia.org squeeze main
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  deb http://www.debian-multimedia.org squeeze main
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[EDIT: By july 2013, the debian-multimedia.org domain was not anymore owned by the third-party supporters who owned it before! For security reasons it is not recommended to use it. Nevertheless, the official repository has improved its support over several mulimedia formats making third-party repositories unncecessary]
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Easy Debian has only a limited amount of disk space, so we'll temporarily create a new place to store the downloaded new packages in MyDocs:
Easy Debian has only a limited amount of disk space, so we'll temporarily create a new place to store the downloaded new packages in MyDocs:
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So, without harming portability, we can increase our image file by 1GB (almost) and then grow the file system to fit it. To increase the image size, first, concatenate 1GB of zeroes onto the end of the file:
So, without harming portability, we can increase our image file by 1GB (almost) and then grow the file system to fit it. To increase the image size, first, concatenate 1GB of zeroes onto the end of the file:
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<pre>dd if=/dev/zero bs=1M count=1024 >> /path/to/image.ext3</pre>
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<pre>dd if=/dev/zero bs=1M count=1048576 >> /path/to/image.ext3</pre>
Note that the ">>" is critical here, meaning append the zeroes to the end of the file; accidentally use ">" and you'll overwrite the image. The command will "fail" with an error when you hit 4GB on a FAT32 filesystem, but, don't worry, that's because we hit the maximum file size before we ran out of zeroes. Our image file will still be the desired maximum possible size. Now, we need to unmount and remount the image, in order for the loop mount to pick up the larger "device" that we just created. This is as simple as running the Close Debian script, then restarting Easy Debian via Deb Chroot (or sudo debian).
Note that the ">>" is critical here, meaning append the zeroes to the end of the file; accidentally use ">" and you'll overwrite the image. The command will "fail" with an error when you hit 4GB on a FAT32 filesystem, but, don't worry, that's because we hit the maximum file size before we ran out of zeroes. Our image file will still be the desired maximum possible size. Now, we need to unmount and remount the image, in order for the loop mount to pick up the larger "device" that we just created. This is as simple as running the Close Debian script, then restarting Easy Debian via Deb Chroot (or sudo debian).
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This command will add a journal to your ext2 filesystem. It will appear that it waits for your input since it will throw you a colon "'''Creating journal inode:'''". Do not type anything and wait approx. one minute to finish by itself. Close down Easy Debian (it is advisable to close it through it's specific icon named "Close Debian" which will properly close Debian and unmont everything).
This command will add a journal to your ext2 filesystem. It will appear that it waits for your input since it will throw you a colon "'''Creating journal inode:'''". Do not type anything and wait approx. one minute to finish by itself. Close down Easy Debian (it is advisable to close it through it's specific icon named "Close Debian" which will properly close Debian and unmont everything).
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Then, from Maemo's X Terminal as root, rename your image file from <image-name>.ext2 to <image-name>.ext3.
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Then, from Maemo's X Terminal, rename your image file from <image-name>.ext2 to <image-name>.ext3.
After that, edit /home/user/.chroot file by issuing:
After that, edit /home/user/.chroot file by issuing:
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It does no harm at this point to run a filesystem check on the newly created image. You'll also need to make sure that the image is either configured in .chroot or is the first such image in the directory in order for the Easy Debian chroot scripts to pick it up.
It does no harm at this point to run a filesystem check on the newly created image. You'll also need to make sure that the image is either configured in .chroot or is the first such image in the directory in order for the Easy Debian chroot scripts to pick it up.
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== Directory based chroot ==
 
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First copy the filesystem to your homefs. Then edit your ~/.chroot, so that it contains
 
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    IMGFILE=none
 
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    CHROOT=/path/to/chroot
 
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TODO: Do some magic with closechroot
 
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