Re: Feature suggestions: optionally placing home folder into separate partition during ubuntu install

2010-11-05 Thread Daniel Hollocher
 That is a common misconception. Reinstalling Ubuntu on the same
 partition doesn't lose the user's data either.

 A problem that is both real and more interesting, is working out why so
 many people have that misconception, and how we can correct it.

 Is this really a misconception?  I thought there was a point in time
 that you did need to have a separate /home for what we are talking
 about.

 You needed a separate home for that until Hardy, if memory servers.
 So it's not an ancient feature, but it's not exactly new at this point either.

 Also, do you know how widespread the policy is?  ie, is it Ubuntu
 only,  debian based distros, or all of linux?

 I have no idea. I imagine it's part of Ubiquity, not debian-installer,
 which would make it Ubuntu-specific.

I imagine you would have to make it part of the gui of whatever
installer supports it if you wanted more people to use the feature.
Otherwise, it is a bit too complicated to communicate to people.  You
can't really expect people to follow every precise direction you give
them, and in this case if they don't, they could loose their data.
Maybe you could put a button that offers to reuse an existing
partition layout, clean installing but saving use data.  The button
could go next to the install side by side and use entire disk
options and maybe scan fstab for the partition layout.

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Re: LiveCD optimisations

2010-11-05 Thread Martin Pitt
Hello Louis,

Louis Simard [2010-11-01 17:10 -0400]:
 AdvanceCOMP is packaged in maverick universe as advancecomp.
 jpegoptim is packaged in maverick universe as jpegoptim.
 
 Could these programs be added to the build scripts, or would that be
 discouraged since they're in universe? Would these optimisations be
 a case for inclusion into main?

Yes, of course. I added some work items for advancecomp and jpegoptim
to the spec.

Thanks!

Martin
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Ubuntu Developer (www.ubuntu.com)  | Debian Developer  (www.debian.org)

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Re: More LiveCD space optimizations

2010-11-05 Thread Martin Pitt
John McCabe-Dansted [2010-10-08  0:07 +0800]:
 We could test each file to ensure the image is identical, perhaps
 using pngtopnm, and md5sum. This would be especially important for
 jpegrescan/jpgcrush, which is at version 0.0.0-1.

I use a simple test script for this kind of check, see 
https://bugs.launchpad.net/ubuntu/+source/advancecomp/+bug/671599/comments/1

Martin
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Ubuntu Developer (www.ubuntu.com)  | Debian Developer  (www.debian.org)

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Re: More LiveCD space optimizations

2010-11-05 Thread Micah Gersten
On 10/08/2010 04:54 AM, Matthias Klose wrote:
 [ compression related discussion removed ]

 So maybe we can save some MB with better compression, but we can save more by 
 not including files at all.  Of course this requires inspection of the 
 packages 
 included on the liveCD.  In the past we did identify some issues and did add 
 some diagnostics to the live CD build logs [1].  Of course you can't run 
 anything and lengthen the live CD build, but some additional diagnostics 
 maybe 
 could be run.

 In the past we did see wasted space:
 snip /
 - firefox and xulrunner shipping duplicate .js files

Well, Firefox is no longer built on top of xulrunner, so this is
necessary, especially with the PGO optimizations if we can get them.  If
webkit has sufficient accessibility and we can port yelp to webkit, we
can drop xulrunner from the CD.

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