Tag Archives: Fedora

Pune Bidding Again for FUDCon APAC!

When the call for bids for FUDCon APAC 2015 was put out, a few of us huddled together to discuss a bid from India.  We had already organised a successful FUDCon in Pune in 2011, so our initial conversations were around which city to host it in.  Pune won again, just because the number of volunteers available in Pune are more than any other place in India, and Pune has several technical colleges, which makes hosting the event at one of them easier.

This time around, we’re proposing to host the FUDCon at the MITCOE campus, more details in the bid page.

Continue reading

Fedora Activity Day: Security I

Last Saturday a few of us gathered to work on Fedora Security.  This FAD (Fedora Activity Day) was the second in recent times held in Pune, after the testing FAD held in August.

Security FAD

The goal of the FAD was to get introduced to the newly-formed Fedora Security Team, pick up a few bug reports that were tagged as security-relevant bug reports, and triage them.  Fixing the bugs wasn’t part of the agenda, as actually pushing package updates needs one to be a provenpackager or the maintainer of the package.

Continue reading

Changing GNOME Default Action for Low Battery

The GNOME default of ‘hibernate’ or suspend-to-disk on very low battery power isn’t optimal for many laptops — hibernate is known to be broken on several hardware setups, it frequently results in file system corruption, and just causes pain.  That, combined with the weird behaviour of the GNOME power manager to put the system in hibernate, even when the battery isn’t low, annoyed me enough to go hunting for a way to change the default.

The GUI doesn’t expose a ‘sleep’ setting; it just offers hibernate and shutdown, so here’s a tip to just put the system to sleep state (suspend to RAM), which is a much well-behaved default for me.

Continue reading

Workaround for error after upgrading VM from F16 to F17

Updating a Fedora 16 guest to a Fedora 17 guest via preupgrade gave me the ‘Oh no, something has gone wrong!’ screen at the GDM login screen.  It’s quite frustrating to see that screen because you can’t switch to a virtual terminal for troubleshooting, or even reboot or shutdown.

To send the key sequence Ctrl+Alt+F2 to the guest to switch to a virtual terminal, use the qemu monitor by pressing

 Ctrl+Alt+2

and use sendkey to send the key sequence:

(qemu) sendkey ctrl-alt-f2

Then go back to the guest window by issuing

Ctrl+Alt+1

After logging in as root, I poked in the gdm log files in /var/log/gdm/ and saw the fprint daemon was causing some errors.  Removing the fprintd package fixed this, but this is just a workaround, not a solution:

yum remove fprintd

Bug filed.

My opensource.com Article on FUDCon Pune 2011

My article on FUDCon Pune 2011 appeared on opensource.com last week:

http://opensource.com/life/11/12/fudcon-pune-making-conference

Apparently my initial submission was about 3x longer than the average article on opensource.com.  I’ve covered events running up to the conference on this blog, and with the osdc article, I’ve covered the conf as well.  There still might be a few things left which I’ll post about here in the coming days.

FUDCon Pune: My talk on ‘Linux Virtualization’

My second talk at FUDCon Pune was on Virtualization (slides) on day 2.  While I had registered the talk well in advance, I wasn’t quite sure what really to talk about: should I talk about the basics of virtualization?  Should I talk about what’s latest (coming up in Fedora 16)?  Should I talk about how KVM works in detail?  My first talk on git had gone well, and as expected for this FUDCon, majority of the participants were students.  Expecting a similar student-heavy audience for the 2nd talk as well, I decided on discussing the basics of the Linux Virt Stack.  Kashyap had a session lined up after me on libvirt, so I thought I could give an overview of virt-manager, libvirt, QEMU and Linux (KVM).

And since my registered talk title was ‘Latest in Linux Virtualization’, I did leave a few slides on upcoming enhancements in Fedora 16 (mostly concentrating on the QEMU side of things) at the end of the slide deck, to cover those things if I had time left.

As with the previous git talk, I didn’t get around to making the slides and deciding on the flow of the talk till the night before the day of the talk, and that left me with much less sleep than normal.  The video for the talk is available online; I haven’t seen it myself, but if you do, you’ll find I was almost sleep-talking through the session.

To make it interactive as well as keep me awake, I asked the audience to stop me and ask questions any time during the talk.  What was funny about that was the talk was also being live streamed, and the audio signal for the live streaming was carried via one mic and the audio stream for the audience as well as the recorded talk was on a different mic.  So even though the audience questions were taken on the audience mic, I had to repeat the questions for the people who were catching the talk live.

I got some feedback later from a few people — I missed to introduce myself, and I should have put some performance graphs in the slides, as almost all users would be interested in KVM performance vs other hypervisors.  Both good points.  The performance slides I hadn’t thought about earlier, I’ll try to incorporate some such graphs in future presentations.  Interestingly, I hadn’t also thought of introducing myself.  Previously, I was used to someone else introducing me and then me picking up from there.  At the FUDCon, we (the organisers) missed on getting speaker bios, and didn’t have volunteers introduce each speaker before their sessions.  So no matter which way I look at it, I take the blame as speaker and organiser for not having done this.

There was some time before my session to start and there were a few people in the auditorium (the room where the talk was to be held), so Kashyap thought of playing some Fedora / FOSS / Red Hat videos.  (People generally like the Truth Happens video, and that one was played as well.)  These, and many more are available on the Red Hat Videos channel on YouTube. There was also some time between my session and Kashyap’s (to allow for people to move around, take a break, etc.), so we played the F16 release video that Jared gave us.

Overall, I think the talk went quite well (though I may have just dreamed that).  I tried to stay awake for Kashyap’s session on libvirt to answer any questions directed my way; I know I did answer a couple of them, so I must have managed to stay up.