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LWN.net is a comprehensive source of news and opinions from and about the Linux community. This is the main LWN.net feed, listing all articles which are posted to the site front page.
업데이트: 2시간 15분 지남

Perl steering council elected

수, 2020/12/23 - 6:43오전
The Perl project has announced the election of the first steering council to serve under the project's new governance rules. Eight candidates put their names in; the winners were Ricardo Signes, Neil Bowers, and Sawyer X.
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[$] Doing symbolic math with SymPy

수, 2020/12/23 - 5:35오전
On November 29, version 1.7 of SymPy, a Python library for symbolic mathematics, was released. The new version brings a large number of enhancements and bug fixes, and some minor backward incompatibilities. While these are enumerated in detail in the release notes, we will take advantage of this opportunity to look at some of the things that can be done with SymPy and explore its interface options through several detailed examples.
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Security updates for Tuesday

수, 2020/12/23 - 12:57오전
Security updates have been issued by CentOS (kernel and thunderbird), Debian (openjdk-8 and webkit2gtk), Fedora (gdm, mingw-openjpeg2, and openjpeg2), Mageia (compat-openssl10, golang-googlecode-net, mbedtls, openssl, and virtualbox), openSUSE (ovmf and xen), Red Hat (kernel, mariadb-connector-c, mariadb:10.3, postgresql:10, and postgresql:9.6), and SUSE (ardana-cassandra, ardana-mq, ardana-osconfig, ardana-tempest, crowbar-core, crowbar-openstack, grafana, influxdb, openstack-cinder, openstack-heat, openstack-heat-gbp, openstack-heat-templates, openstack-horizon-plugin-gbp-ui, openstack-ironic-python-agent, openstack-manila, openstack-neutron, openstack-neutron-gbp, openstack-neutron-vpnaas, openstack-nova, python-Jinja2, python-pysaml2, python-pytest, python-urllib3, release-notes-suse-openstack-cloud, spark, ceph, crowbar-core, crowbar-openstack, grafana, influxdb, openstack-heat-templates, openstack-nova, python-Jinja2, firefox, java-1_7_0-ibm, java-1_7_1-ibm, PackageKit, and thunderbird).
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[$] LWN's 2020 Retrospective

화, 2020/12/22 - 4:49오전
Predictions are hard, as they say, especially when they are about the future. So perhaps your editor can be forgiven for not anticipating that 2020 would be the sort of year that makes one think nostalgically about trips to the dentist, waiting in a crowded motor-vehicle office, or crossing the Pacific in a row-47 middle seat. If only we had known how good we had it. Be that as it may, this year is finally coming to an end. Read on for a look back at the year, starting with the ill-advised predictions made in January.
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Three stable kernels

화, 2020/12/22 - 1:15오전
Stable kernels 5.10.2, 5.9.16, and 5.4.85 have been released with important fixes. This is the last 5.9.y kernel, users should move to 5.10.y at this time.
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Security updates for Monday

화, 2020/12/22 - 12:57오전
Security updates have been issued by Debian (curl, influxdb, lxml, node-ini, php-pear, and postsrsd), Fedora (chromium, curl, firefox, matrix-synapse, mingw-jasper, phpldapadmin, and thunderbird), Mageia (openjpeg2), openSUSE (gcc7, openssh, PackageKit, python-urllib3, slurm_18_08, and webkit2gtk3), Oracle (fapolicydbug, firefox, nginx:1.16, nodejs:12, and thunderbird), Red Hat (libpq, openssl, and thunderbird), and SUSE (curl, firefox, openssh, ovmf, slurm_17_11, slurm_18_08, slurm_20_02, and xen).
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Wade: Balancing the needs around the CentOS platform

일, 2020/12/20 - 7:29오전
Karsten Wade, who has served on the CentOS board among other things, has posted a blog entry on the CentOS change and its effects on users. "Providing our community with a solid, reliable distro that is good-enough for your workloads is a strong part of the CentOS brand. We’re confident that CentOS Stream can do this. And while I’m certain now that CentOS Linux cannot do what CentOS Stream can to solve the openness gap, I am confident that CentOS Stream can cover 95% (or so) of current user workloads stuck on the various sides of the availability gap. I believe that Red Hat will make solutions available as well that can cover other sides of the gap without too much user heartburn in the end." He is asking for input on what those solutions should look like.
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[$] 5.11 Merge window, part 1

토, 2020/12/19 - 5:42오전
When Linus Torvalds released the 5.10 kernel, he noted that the 5.11 merge window would run up against the holidays. He indicated strongly that maintainers should send him pull requests early as a result. Maintainers appear to have listened; over 10,000 non-merge changesets were pulled into the mainline in the first three days of the 5.11 merge window. Read on for a summary of the most significant changes in that flood of patches.
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Security updates for Friday

금, 2020/12/18 - 11:07오후
Security updates have been issued by Arch Linux (blueman, chromium, gdk-pixbuf2, hostapd, lib32-gdk-pixbuf2, minidlna, nsd, pam, and unbound), CentOS (gd, openssl, pacemaker, python-rtslib, samba, and targetcli), Debian (kernel, lxml, and mediawiki), Fedora (mbedtls), openSUSE (clamav and openssl-1_0_0), Oracle (firefox and openssl), Red Hat (openssl, postgresql:12, postgresql:9.6, and thunderbird), Scientific Linux (openssl and thunderbird), and SUSE (cyrus-sasl, openssh, slurm_18_08, and webkit2gtk3).
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[$] Managing multifunction devices with the auxiliary bus

금, 2020/12/18 - 4:04오전
Device drivers usually live within a single kernel subsystem. Sometimes, however, developers need to handle functionalities outside of this model. Consider, for example, a network interface card (NIC) exposing both Ethernet and RDMA functionalities. There is one hardware block, but two drivers for the two functions. Those drivers need to work within their respective subsystems, but they must also share access to the same hardware. There is no standard way in current kernels to connect those drivers together, so developers invent ad-hoc methods to handle the interaction between them. Recently, Dave Ertman posted a patch set introducing a new type of a bus, called the "auxiliary bus", to address this problem.
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Security updates for Thursday

목, 2020/12/17 - 11:21오후
Security updates have been issued by Debian (firefox-esr, sympa, thunderbird, tomcat8, and xerces-c), Fedora (fprintd, kernel, libfprint, and synergy), Mageia (bitcoin, dpic, firefox, jasper, jupyter-notebook, sam2p, thunderbird, and x11-server), Oracle (firefox, gd, kernel, net-snmp, openssl, python-rtslib, samba, and targetcli), Red Hat (fapolicyd, openshift, Red Hat Virtualization, and web-admin-build), SUSE (xen), and Ubuntu (unzip).
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[$] LWN.net Weekly Edition for December 17, 2020

목, 2020/12/17 - 9:50오전
The LWN.net Weekly Edition for December 17, 2020 is available.
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[$] Speeding up CPython

목, 2020/12/17 - 4:34오전
Python, at least in the CPython reference implementation, is not a particularly speedy language. That is not at all surprising to anyone who has used it—the language is optimized for understandability and development speed, instead. There have been lots of efforts over the years to speed up various parts of the interpreter, compiler, and virtual-machine bytecode execution, though no comprehensive overhaul has been merged into CPython. An interesting new proposal could perhaps change that, though it is unclear at this point if it will take off.
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GTK 4.0

목, 2020/12/17 - 3:55오전
Version 4.0 of the GTK toolkit has been released. "It is impossible to summarize 4 years of development in a single post. We’ve written detailed articles about many of the new things in this release over the past year: Data transfers, Event controllers, Layout managers, Render nodes, Media playback, Scalable lists, Shaders, Accessibility." GTK 2 has reached the end of its life.
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Two stable kernels

목, 2020/12/17 - 1:35오전
Stable kernels 5.9.15 and 5.4.84 have been released. They both contain important fixes and users should upgrade.
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Security updates for Wednesday

목, 2020/12/17 - 1:30오전
Security updates have been issued by Debian (firefox-esr), Fedora (mingw-openjpeg2, openjpeg2, and synergy), openSUSE (audacity and gdm), Oracle (libexif, libpq, and thunderbird), Red Hat (firefox, gnutls, go-toolset:rhel8, java-1.7.1-ibm, java-1.8.0-ibm, kernel, kernel-rt, linux-firmware, mariadb-connector-c, mariadb:10.3, memcached, net-snmp, nginx:1.16, nodejs:12, openssl, pacemaker, postgresql:10, python-django-horizon, python-XStatic-Bootstrap-SCSS, python-XStatic-jQuery, and python-XStatic-jQuery224), Scientific Linux (gd, kernel, pacemaker, python-rtslib, samba, and targetcli), SUSE (openssh, PackageKit, spice, and spice-gtk), and Ubuntu (firefox and imagemagick).
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Jansson: On the Graying of GNOME

목, 2020/12/17 - 12:24오전
Hans Petter Jansson has done an analysis of contributions to the GNOME project, raising some concerns about how well the project is doing at bringing in new developers for the long haul. "According to this, GNOME peaked at slightly above 1,400 contributors in 2010 and went into decline with the GNOME 3.0 release the following year. However, 2020 saw the most contributors in a long time, even with preliminary data — there’s still two weeks to go. Who knows if it’s an anomaly or not. It’s been an atypical year across the board."
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[$] A new release for GNU Octave

수, 2020/12/16 - 4:45오전
On November 26, version 6.1 of GNU Octave, a language and environment for numerical computing, was released. There are several new features and enhancements in this release, including improvements to graphics output, better communication with web services, and over 40 new functions. We will take a look at where Octave fits into the landscape of numerical tools for scientists and engineers, and recount some of its long history.
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Firefox 84.0 and 78.6 ESR

수, 2020/12/16 - 2:19오전
Firefox 84.0 has been released. This version includes an accelerated rendering pipeline for Linux/GNOME/X11 users and improved performance and compatibility with Docker. This is the final release to support Adobe Flash. The release notes have additional details.

Firefox 78.6.0 ESR has also been released, with various stability, functionality, and security fixes. See the release notes for more information.

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CloudLinux promises a CentOS Replacement

수, 2020/12/16 - 1:42오전
CloudLinux has put out a press release stating that it will commit over $1 million per year toward the creation and maintenance of a CentOS replacement distribution. "CloudLinux is sponsoring Project Lenix, which will create a free, open-source, community-driven, 1:1 binary compatible fork of RHEL 8 (and future releases). It will provide an uninterrupted way to convert existing CentOS servers with absolutely zero downtime. Entire server fleets will be able to be converted with a single command with no reinstallation and no reboots required."
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