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[$] LWN.net Weekly Edition for March 27, 2014

The LWN.net Weekly Edition for March 27, 2014 is available.

Linux Storage, Filesystem, and Memory Management Summit coverage

Somewhat more than half of LWN's coverage of this year's LSFMM Summit is
now available. Subscribers can have a
look at a wide range of topics that were discussed on March 24 and 25 in
Napa, California. More coverage will be
added to the page as it becomes available.

[$] Facebook and the kernel

As one of the plenary sessions on the first day of the Linux Storage, Filesystem, and
Memory Management (LSFMM) Summit,
Btrfs developer Chris Mason presented on how his new employer, Facebook,
uses the Linux kernel. He shared some of the eye-opening numbers that
demonstrate just how much processing Facebook does using Linux, along with
some of the "pain points" the company has with the kernel.
<p>
Subscribers can click below for a report on the talk from this week's edition.

GNOME 3.12 Released

GNOME 3.12 is out. "This is an exciting release for GNOME, and
brings many new features and improvements, including app folders, enhanced
system status and high-resolution display support. This release also
includes new and redesigned applications for video, software, editing,
sound recording and internet relay chat.

Under the hood, support for using Wayland instead of X has progressed
significantly." More information can be found in the release notes.

Security updates for Wednesday

CentOS has updated kernel (C6: multiple vulnerabilities).

Gentoo has updated libupnp (multiple vulnerabilities).

openSUSE has updated firefox
(13.1, 12.3: multiple vulnerabilities), lighttpd (13.1, 12.3: two vulnerabilities),
and nginx (13.1: code execution).

Oracle has updated kernel

Full Disclosure Mailing List: A Fresh Start

The full-disclosure mailing list is back. Nmap developer Fyodor has announced that he is resurrecting the list after its abrupt closure in mid-March. "The new list must be run by and for the security community in a vendor-neutral fashion. It will be lightly moderated like the old list, and a volunteer moderation team will be chosen from the active users.

Mozilla's "rr" debugger

Robert O'Callahan has posted an
announcement
of a new record-and-replay debugger (called rr) from the Mozilla project.
"It's difficult to communicate the feeling of debugging with rr, but
if you've ever done something wrong during debugging (e.g. stepped too far)
and had that 'crap! Now I have to start all over again' sinking feeling ---
rr does away with that. Everything you already learned about the execution
--- e.g.

[$] PostgreSQL pain points

The kernel has to work for a wide range of workloads; it is arguably
unsurprising that it does not always perform as well as some user
communities would like. One community that sometimes felt left out in the
cold is the PostgreSQL relational database management system project.

GNOME 3.12 Seeded by GNOME OS Projects (Linux.com)

Linux.com has an interview
with Allan Day and Matthias Clasen
about GNOME 3.12 and the various
projects that form GNOME OS. "Matthias: Continuous testing is being used in the GNOME project as we speak, and it is helping us every day to raise the quality of our code. Automatic builds are triggered after every commit, and a plethora of unit and integration tests are run on the resulting VM images. You can also download a VM image to run locally.

Tuesday's security updates

CentOS has updated net-snmp (C6; C5: denial
of service) and samba (C5: multiple vulnerabilities).

Debian has updated file
(regression in previous update).

Fedora has updated firefox (F20:
multiple vulnerabilities), lighttpd (F20; F19

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