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Tuesday, October 1st, 2013

    Time Event
    4:50p
    Tuesday's security updates

    Fedora has updated kernel (F19: off by one error), libvirt (F18: multiple vulnerabilities), and xpdf (F18; F19: code execution).

    openSUSE has updated glibc (12.3: multiple vulnerabilities) and icedtea-web (12.x; 11.4: code execution).

    Red Hat has updated ccid (RHEL5: code execution), kernel (RHEL5: denial of service), php53 (RHEL5: multiple vulnerabilities), samba3x (RHEL5: multiple vulnerabilities), sssd (RHEL5: file modification), sudo (RHEL5: privilege escalation), and xinetd (RHEL5: service disclosure flaw).

    Ubuntu has updated EC2 kernel (10.04 LTS: multiple vulnerabilities), hplip (12.10; 12.04 LTS; 10.04 LTS: multiple vulnerabilities), kernel (10.04 LTS: multiple vulnerabilities), libkdcraw (12.04 LTS: denial of service), python2.6 (10.04 LTS: man in the middle attack), python2.7 (13.04; 12.10; 12.04 LTS: multiple vulnerabilities), python3.2 (12.10; 12.04 LTS: multiple vulnerabilities), txt2man (13.04; 12.10; 12.04 LTS: file overwrite), and vino (13.04; 12.10; 12.04 LTS: denial of service).

    5:02p
    [$] NUMA scheduling progress
    NUMA balancing was a topic of fierce debate through much of 2012; that
    discussion culminated with the merging of Mel Gorman's NUMA balancing
    infrastructure patch set into the 3.8 kernel. Those patches provided the
    basic structure upon which a NUMA balancing solution could be built, but
    did not attempt to solve the problem in a comprehensive way. Since then,
    one might be
    forgiven for thinking that the developers involved have lost interest; not
    much NUMA-related code has found its way into the mainline. But, as can be
    seen in Mel's basic scheduler support for NUMA
    balancing patch set
    , which weighs in at 63 individual changesets, quite
    a bit of work has been happening in this area.
    9:26p
    Stable kernel updates
    Greg KH has released stable kernels 3.11.3,
    3.10.14, 3.4.64, and 3.0.98. All contain important fixes.
    11:44p
    Rempt: Ten years of working on Krita
    On his blog, Boudewijn Rempt has an interesting walk down memory lane about the history of the Krita digital painting program. It started its life in 1998 as Qt wrapper around GIMP, called "kimp", though the first real Krita code came from a KOffice application called KImage, which changed to KImageShop, Krayon, and, finally, in 2002, Krita (Swedish for crayon). His account has controversies, flame wars, development setbacks, and more, resulting in the high-quality application that we have today.
    "I didn't know C++ back then, but neither was I a novice programmer. I'd been earning the daily bread for me and my family for about ten years, first as an Oracle PL/SQL developer, then Visual Basic, then Java. I had written and gotten published a book on Python and Qt, so I knew Qt as well. I had no experience with graphics, though...

    In October 2003 it was not possible to paint with Krita: all tools except for the layer move tool had been disabled. The paint tool was the first thing I worked on, and I was very proud when I had a tool that could place squares on the canvas -- and the size of the squares was sensitive to the tablet pressure!
    "

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