[Fedora-ambassadors-list] Report: LUGS April Meeting

Eugene Teo eteo at redhat.com
Wed May 3 12:51:28 UTC 2006


I have already answered them during the talk.

Thanks for the answers, Rahul.

Eugene

Rahul Sundaram wrote:
> On Wed, 2006-05-03 at 20:28 +0800, Eugene Teo wrote:
>> Report;
>>
>> I gave a talk on "All about Fedora Core 5" last saturday, and it went
>> well. I did a short preview on SystemTap to illustrate it's kernel
>> instrumentation capabilities. I also gave away Fedora Handouts.
>>
>> There were about 8-10 attendees, out of which 2 are already Fedora
>> users. Some questions (not in actual words though) asked were:
>>
>> 1) Is yum still as slow, as compared to apt-get?
> 
> It has steadily improved in speed over previous versions and there is
> ongoing work on this. Benchmarks have shown it to be faster on local
> networks. On remote connections there is the unreliability of the mirror
> (locality, load etc) which has to be factored. Since yum connects to the
> repositories every time, it appears to be slower to a seemingly
> equivalent apt-get connection. If you do prefer apt-get, it is available
> in Fedora Extras.
> 
>> 2) How does beagle work internally?
> 
> Indexed searches based on a in-kernel file notification mechansim called
> inotify. Different documents have additional filters to index and keep
> track of data better. More information in
> http://beaglewiki.org/Main_Page
>  
> 
>> 3) What do you need to install, in order to run Xen?
> 
> http://fedoraproject.org/wiki/Tools/Xen
> 
> 
>> 4) Where can I get the kernel source rpm?
> 
> People who usually ask for this only need the kernel-devel package which
> provides the headers for the third party modules to be build against the
> current kernel.
> 
> There are instructions on using this as well as downloading the full
> source code if you need it in http://fedora.redhat.com/docs/release-
> notes/fc5/#id2917672
> 
> 
>> 5) Does suspend and hibernation really work in FC5?
> 
> Hardware specific. We tested them on many of internal systems we could
> get our hands on. 
> 
> http://fedoraproject.org/wiki/HCL/Machines/Laptops
> 
> Overall feedback has been pretty positive. If there are systems that
> this doesnt work out of the box, feedback in http://bugzilla.redhat.com
> against the kernel with workarounds if any would be quite useful.
> 
> 
>> 6) How does SystemTap work internally? How does the scripts look like?
> 
> http://sourceware.org/systemtap/
> 
> SystemTap is a higher level layer (awk like scripting language) over the
> in-kernel kprobes/dprobes mechanism (C voodoo). It provides a safety as
> well as guru mode for executing scripts based on check points and
> finding out various interesting information on the system.
> 
> 
> Examples: http://people.redhat.com/berrange/systemtap/bootprobe/ and we
> have already used it effectively for OLPC to reduce memory consumption
> and bloat. Patches flow back into Fedora as appropriate.
> 
> Caveat: Technology preview and more works need to be done on polishing
> before it gets into production systems. 
> 
>> Some feedbacks I got were (not in actual words of course):
>>
>> 1) Fedora should include mp3 support, otherwise new users will not be
>> able to play their favourite music. Some form of documentation on how
>> to setup mp3 support would be great. It should be easily accessible to
>> new users as well.
> 
> We are going to continue support only open formats while making it
> easier for users to grab plugins for such codecs.
> 
> http://fedora.redhat.com/docs/release-notes/fc5/#sn-Multimedia
> http://fedoraproject.org/wiki/ForbiddenItems
> 
>> You can download my slides at:
>> http://fedoraproject.org/wiki/Presentations?action=AttachFile&do=get&target=EugeneTeo.Fedora.LUGS.Apr.06.odp
>>
>> Thanks!
>>
>> Eugene
> 
> Good report. Thanks. 
> 
> 
> Rahul
> 
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