Best GCompris for OLPC OS 13.2.8?
holt at laptop.org
Mon Feb 13 02:44:49 EST 2017
I will try all rec's I can, Tuesday after I get home, thanks James for
laying out these risks+options.
Removing swap is not something I've tried yet, nor do I want to if this
slows down kids' XO-1 experiences.
Of course if pushed to the wall, and there's no other clean recipe, I
suppose it's possible Nathan knows a way to delete ~64MB swap and recreate
it later after installing GCompris.
On Feb 13, 2017 7:10 AM, "James Cameron" <quozl at laptop.org> wrote:
What was wrong with my offer?
You're not doing anything wrong; it's just the way it is.
The way yum works; both the downloaded .rpm files and the unpacked
files have to exist at the same time briefly. yum calculates this
and tells you it won't work.
Removing the swap file will save you no more than 64MB, and will make
the laptop slower afterwards.
If you are insisting, for some reason, on ignoring my recommendations;
let me give you one more to ignore; mount a USB drive over /var so
that yum uses it for the downloaded .rpm files. That way, the
downloads won't count against the root filesystem space.
On Mon, Feb 13, 2017 at 12:40:31AM -0500, Adam Holt wrote:
> Thanks James & Nathan. This "model" XO-1 has 256MB of disk available on
> install of 13.2.8, which never falls below 240MB when trying many
> ways to install the "7+ MB" TuxMath.
> So I'm surely doing something wrong, and will keep working on it this
> until I rediscover something like the reliable TuxMath install recipe we
> for Haiti earlier.
> Then, trying to install the "142+ MB" GCompris will be a different story
> course, given its OS library needs installing Tux Paint etc alongside,
> may require me deleting the 70+ MB /home/olpc/Library (and other /tmp
> or swap adjustments? Nathan also suggests "swapoff -a" and "rm
> I'm traveling today but will rededicate myself to cracking these 2
> important obstacles Tuesday onwards!
> On Feb 13, 2017 5:02 AM, "James Cameron" <quozl at laptop.org> wrote:
> Yes, the XO-1 JFFS2 NAND filesystem may report less space after the
> laptop has been used for a bit. Fresh install gets the best space.
> (Because JFFS2 compresses data when writing, it cannot know how much
> free space is available, as because it depends on how compressible the
> data is. So JFFS2 provides an estimate, and the estimate is
> pessimistic, and yum takes it at face value.)
> Yes, one XO-1 may show different space to another XO-1 freshly
> (Because NAND may have bad blocks that are skipped by JFFS during
> reflashing. You will have noticed these as differently coloured.
> Good chance of more bad blocks as the laptops age.)
> Yes, removing files apart from Activities and Library won't fix space.
> (Because olpc-update keeps a hard link mirror of the filesystem in
> /versions, and your changes to removing files won't remove them from
> the copy.)
> Yes, customising the operating system is really time consuming; we
> have instead provided the tools for remastering the operating system,
> and these tools are easy to use. Adding .xo and doing yum installs
> are supported. See OS_Builder on the Wiki.
> If you lack resources to do this, then I can assist to a limited
> extent, as I did for Haiti in January last year. Additional benefit
> of using me is that the build may be signed, which installs using the
> four game key method without having to create deployment keys.
> Workaround for yum lack of space is to use .rpm files directly. Also
> much faster.
> James Cameron
>  mailto:quozl at laptop.org
>  http://quozl.netrek.org/
> Devel mailing list
> Devel at lists.laptop.org
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