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| It is '''very''' important that you check both the downloaded file for corruption, and the CD for a bad burn.<<BR>> Corrupted file downloads are less than common, but we insist you check your downloads before you report any problems with Lubuntu. If you downloaded the 'Desktop' and not the 'Alternate' you can 'Check Disk For Defects' on the very first menu after burning or booting with USB. Alternatively, BitTorrent users can download our torrent. Because BitTorrent has a corruption check, you won't have to use the command line.<<BR>> If you download the 'Alternate' iso, you should check the ISO for corruption before installing. You may use the burning utility to verify the burn of the [[http://en.wikipedia.org/wiki/ISO_image|CD IMAGE.]] <<BR>>CD Burning help at [[https://help.ubuntu.com/community/BurningIsoHowto|How to Burn an ISO.]] Much More info on how to md5 [[http://en.wikipedia.org/wiki/Checksum|checksum]] at [[https://help.ubuntu.com/community/HowToMD5SUM | md5sum]]. |
It is '''very''' important that you check both the downloaded file for corruption, and the CD for a bad burn.<<BR>>Corrupted file downloads are less than common, but we insist you check your downloads before you report any problems with Lubuntu. |
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| 1. Check both at once with the "Check Disk for Errors" (only on the Desktop ISO) or 1. Check for file corruption with an [[[[https://help.ubuntu.com/community/HowToMD5SUM | MD5 sum]] or by using BitTorrent (automatically checks for corruption) 2. Check that the CD Burning utility verifies the burn. More info [[https://help.ubuntu.com/community/BurningIsoHowto|here.]] = Manual corruption detection (for Experts) = |
Check the iso and CD
Get Lubuntu from Download lubuntu. It is very important that you check both the downloaded file for corruption, and the CD for a bad burn.
Corrupted file downloads are less than common, but we insist you check your downloads before you report any problems with Lubuntu.
- Check both at once with the "Check Disk for Errors" (only on the Desktop ISO)
or
Check for file corruption with an MD5 sum or by using BitTorrent (automatically checks for corruption)
Check that the CD Burning utility verifies the burn. More info here.
Manual corruption detection (for Experts)
12.04 64 bit and 32 bit
Check the iso file
Boot Ubuntu and start an LXTerminal session.
- Go into the directory with the image (iso) file in it. If you have it on your desktop, then it would be
cd Desktop
- Check you are in the correct directory
ls lubuntu-11.10*.iso
will return the file name of the .iso you downloaded
- Once you have confirmed you are in the correct directory carry out the check:
md5sum lubuntu-11.10*.iso
It must report back the md5 hash according to this table:
729ccd0abea9e2da8fb790c3046e4983 |
lubuntu-12.04-alternate-amd64+mac.iso |
a277a7d3b8a6fc1dd98e65adb5262493 |
lubuntu-12.04-alternate-amd64.iso |
a1685837ad50845b6685086fc4743c83 |
lubuntu-12.04-alternate-i386.iso |
ed95aa4a5f82068d5e11d7dcea218865 |
lubuntu-12.04-alternate-powerpc.iso |
068fa129f2d95b2fb1fb4e8a2296651b |
lubuntu-12.04-desktop-amd64+mac.iso |
fca2034b89e8a0acd6536d41ccec061c |
lubuntu-12.04-desktop-amd64.iso |
0fc9564b8fde8ff56100c3d7814fa884 |
lubuntu-12.04-desktop-i386.iso |
72e66e30983d590ada111728fffdbd3f |
lubuntu-12.04-desktop-powerpc.iso |
If it does not, then the download is corrupt and you need to re-download.
Check the CD
If not using the alternate CD, When you first boot, there is an option to check the integrity of the CD, You must have the CD verify.
11.10 64 bit and 32 bit
Check the iso file
Start an LXTerminal session.
- Go into the directory with the image (iso) file in it. If you have it on your desktop, then it would be
cd Desktop
- Check you are in the correct directory
ls lubuntu-11.10*.iso
will return the file name of the .iso you downloaded
- Once you have confirmed you are in the correct directory carry out the check:
md5sum lubuntu-11.10*.iso
It must report back the md5 hash according to this table:
lubuntu-11.10-alternate-amd64.iso |
a3d9689f0f63827d8f72a38b5a80767e |
lubuntu-11.10-alternate-i386.iso |
6b2ef531916da95982eb9b9de9dcb19e |
lubuntu-11.10-desktop-amd64.iso |
34adee80fd0e0f37a5b898706988fe49 |
lubuntu-11.10-desktop-i386.iso |
a0307761af5a0e3374f65959366d1dcb |
If it does not, then the download is corrupt and you need to re-download.
Check the CD
When you first boot, there is an option to check the integrity of the CD, You must have the CD verify.
11.04 32 bit
Check the iso file
Start an LXTerminal session.
Go into the directory with the lubuntu-11.04.iso file in it. If you have it on your desktop, then it would be
cd Desktop
Check you are in the correct directory
ls lubuntu-11.04.iso
will return
lubuntu-11.04.iso
Once you have confirmed you are in the correct directory carry out the check:
md5sum lubuntu-11.04.iso
It must report back 76e5865ce8d0d08fa9f833d781016fe3. If it does not, the download is corrupt and you need to re-download.
Check the CD
When you first boot, there is an option to check the integrity of the CD, You must have the CD verify.
11.04 64 bit Community Edition
Check the iso file
Start an LXTerminal session.
Go into the directory with the lubuntu-11.04-amd64.iso file in it. If you have it on your desktop, then it would be
cd Desktop
Check you are in the correct directory
ls lubuntu-11.04-amd64.iso
will return
lubuntu-11.04-amd64.iso
Once you have confirmed you are in the correct directory carry out the check:
md5sum lubuntu-11.04-amd64.iso
It must report back f24d791333efc959a81d5449bf893aa6. If it does not, the download is corrupt and you need to re-download.
Check the CD
When you first boot, there is an option to check the integrity of the CD, You must have the CD verify.
10.10
Check the iso file
Start an LXTerminal session.
Go into the directory with the lubuntu-10.10.iso file in it. If you have it on your desktop, then it would be
cd Desktop
Check you are in the correct directory
ls lubuntu-10.10.iso
will return
lubuntu-10.10.iso
Once you have confirmed you are in the correct directory carry out the check:
md5sum lubuntu-10.10.iso
It must report back 098254aeb0153b10bcfce948c43a0df6. If it does not, the download is corrupt and you need to re-download.
- After confirming that the file has downloaded okay, you can then burn the cd.
Check the CD
When you first boot, there is an option to check the integrity of the CD, You must have the CD verify.
10.04
Please read the 10.04 section for 10.04.