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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.
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[$] Accelerating netfilter with hardware offload, part 2

토, 2020/02/01 - 1:49오전
As network interfaces get faster, the amount of CPU time available to process each packet becomes correspondingly smaller. The good news is that many tasks, including packet filtering, can be offloaded to the hardware itself. The bad news is that the Linux kernel required quite a bit of work to be able to take advantage of that capability. The first article in this series provided an overview of how hardware-based packet filtering can work and the support for this feature that already existed in the kernel. This series now concludes with a detailed look at how offloaded packet filtering works in the netfilter subsystem and how administrators can make use of it.
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Security updates for Friday

금, 2020/01/31 - 11:15오후
Security updates have been issued by Debian (libsolv, libxmlrpc3-java, openjpeg2, qemu, and suricata), Fedora (ansible, chromium, java-latest-openjdk, links, mingw-openjpeg2, nss, openjpeg2, python-pillow, thunderbird, webkit2gtk3, and xen), Mageia (gdal, java-1.8.0-openjdk, mariadb, openjpeg2, and sqlite3), Oracle (kernel), Red Hat (rh-java-common-xmlrpc), SUSE (e2fsprogs, ImageMagick, php72, tigervnc, and wicked), and Ubuntu (keystone).
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[$] The 5.6 merge window opens

금, 2020/01/31 - 1:18오전
As of this writing, 4,726 non-merge changesets have been pulled into the mainline repository for the 5.6 development cycle. That is a relatively slow start by contemporary kernel standards, but it still is enough to bring a number of new features, some of which have been pending for years, into the mainline. Read on for a summary of the changes pulled in the early part of the 5.6 merge window.
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Lars Kurth RIP

금, 2020/01/31 - 1:13오전
Ian Jackson posted a note to the xen-announce mailing list with the sad news that Xen community manager and project advisory board member Lars Kurth has died. "I'm very sad to inform you that Lars Kurth passed away earlier this week. Many of us regarded Lars as a personal friend, and his loss is a great loss to the Xen Project. We plan to have a tribute to Lars on the XenProject blog in the near future. Those who are attending FOSDEM may wish to attend the short tribute we plan for Sunday morning: https://fosdem.org/2020/schedule/event/vai_memory_of_lars_kurth/"
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Mourning Lars Kurth

금, 2020/01/31 - 12:58오전
From Ian Jackson we have the sad news that Lars Kurth, longtime community developer and community manager for the Xen project, has passed away. There is an event planned on February 2 for those who will be at FOSDEM.
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A new stable kernel crop

금, 2020/01/31 - 12:01오전
Five new stable kernels have been released: 5.4.16, 4.19.100, 4.14.169, 4.9.212, and 4.4.212. As usual, each contains important fixes throughout the kernel tree. Users should upgrade.
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Security updates for Thursday

목, 2020/01/30 - 11:43오후
Security updates have been issued by Debian (graphicsmagick, opensmtpd, webkit2gtk, wget, and zlib), openSUSE (apt-cacher-ng, GraphicsMagick, java-1_8_0-openjdk, mailman, mumble, rubygem-excon, sarg, and shadowsocks-libev), Oracle (libarchive and openjpeg2), Red Hat (firefox, fribidi, openjpeg2, SDL, and thunderbird), Scientific Linux (openjpeg2), SUSE (glibc, java-1_8_0-openjdk, and rmt-server), and Ubuntu (Apache Solr and webkit2gtk).
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[$] LWN.net Weekly Edition for January 30, 2020

목, 2020/01/30 - 9:32오전
The LWN.net Weekly Edition for January 30, 2020 is available.
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[$] Fedora gathering requirements for a Git forge

목, 2020/01/30 - 6:32오전
Fedora currently uses Pagure to host many of its Git repositories and to handle things like documentation and bug tracking. But Pagure is maintained by the Red Hat Community Platform Engineering (CPE) team, which is currently straining under the load of managing the infrastructure and tools for Fedora and CentOS, while also maintaining the tools used by the Red Hat Enterprise Linux (RHEL) team. That has led to a discussion about identifying the requirements for a "Git forge" and possibly moving away from Pagure.
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Unpleasant vulnerability in OpenSMTPD

목, 2020/01/30 - 1:08오전
Qualys has put out an advisory regarding a vulnerability in OpenBSD's OpenSMTPD mail server. It "allows an attacker to execute arbitrary shell commands, as root: either locally, in OpenSMTPD's default configuration (which listens on the loopback interface and only accepts mail from localhost); or locally and remotely, in OpenSMTPD's 'uncommented' default configuration (which listens on all interfaces and accepts external mail)." OpenBSD users would be well advised to update quickly.
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Security updates for Wednesday

목, 2020/01/30 - 12:54오전
Security updates have been issued by CentOS (apache-commons-beanutils, java-1.8.0-openjdk, libarchive, openjpeg2, openslp, python-reportlab, and sqlite), Debian (hiredis, otrs2, and unzip), openSUSE (apt-cacher-ng, git, samba, sarg, and storeBackup), Oracle (openjpeg2), Red Hat (libarchive, openjpeg2, sqlite, and virt:rhel), SUSE (aws-cli and python-reportlab), and Ubuntu (libgcrypt11, linux-aws-5.0, linux-gcp, linux-gke-5.0, linux-oracle-5.0, linux-hwe, linux-hwe, linux-aws-hwe, linux-lts-xenial, linux-aws, and openjdk-8, openjdk-lts).
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LibreOffice 6.4 released

수, 2020/01/29 - 11:21오후
Version 6.4 of the LibreOffice productivity suite is out. It is said to be "a new major release providing better performance, especially when opening and saving spreadsheets and presentations, and excellent compatibility with DOCX, XLSX and PPTX files."
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Thunderbird spun out to a separate corporation

수, 2020/01/29 - 11:17오후
The Thunderbird email client has been moved into a separate company called "MZLA Technologies Corporation", which remains wholly owned by the Mozilla Foundation. "Moving to MZLA Technologies Corporation will not only allow the Thunderbird project more flexibility and agility, but will also allow us to explore offering our users products and services that were not possible under the Mozilla Foundation. The move will allow the project to collect revenue through partnerships and non-charitable donations, which in turn can be used to cover the costs of new products and services. Thunderbird’s focus isn’t going to change. We remain committed to creating amazing, open source technology focused on open standards, user privacy, and productive communication."
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[$] Cryptography and elections

수, 2020/01/29 - 7:17오전
Transparent and verifiable electronic elections are technically feasible, but for a variety of reasons, the techniques used are not actually viable for running most elections—and definitely not for remote voting. That was one of the main takeaways from a keynote at this year's linux.conf.au given by University of Melbourne Associate Professor Vanessa Teague. She is a cryptographer who, along with her colleagues, has investigated several kinds of e-voting software; as is probably not all that much of a surprise, what they found is buggy implementations. She described some of that work in a talk that was a mix of math with software-company and government missteps; the latter may directly impact many of the Australian locals who were in attendance.
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Security updates for Tuesday

수, 2020/01/29 - 12:56오전
Security updates have been issued by Debian (iperf3, openjpeg2, and tomcat7), Mageia (ansible, c3p0, fontforge, glpi, gthumb, libbsd, libmediainfo, libmp4v2, libqb, libsass, mbedtls, opencontainers-runc, php, python-pip, python-reportlab, python3, samba, sysstat, tomcat, virtualbox, and webkit2), openSUSE (java-11-openjdk, libredwg, and sarg), Oracle (sqlite), Red Hat (libarchive, nss, and openjpeg2), Scientific Linux (sqlite), SUSE (nodejs6), and Ubuntu (cyrus-sasl2, linux, linux-aws, linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon, linux, linux-aws, linux-oem, mysql-5.7, mysql-8.0, tcpdump, and tomcat8).
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[$] Some 5.5 kernel development statistics

화, 2020/01/28 - 11:59오전
The 5.5 kernel was released on January 26. Over the course of this development cycle, it was occasionally said that the holidays were slowing contributions. At the end, though, 5.5 saw the merging of 14,350 non-merge changesets from 1,885 developers — not exactly a slow-moving cycle. Indeed, 5.5 just barely edged out 5.4 as the kernel with the most developers ever. Read on for our traditional look at where the contributions to 5.5 came from, along with a digression into the stable-update process.
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Qt offering changes 2020

화, 2020/01/28 - 4:47오전
The Qt blog has announced some changes in how the Qt toolkit is offered to consumers. Notably, installation of Qt binaries will require a Qt Account and long-term-supported (LTS) releases and the offline installer will become available to commercial licensees only. "From February onward, everyone, including open-source Qt users, will require valid Qt accounts to download Qt binary packages. We changed this because we think that a Qt account lets you make the best use of our services and contribute to Qt as an open-source user. We want open-source users to help improve Qt in one form or another, be that through bug reports, forums, code reviews, or similar. These are currently only accessible from a Qt account, which is why having one will become mandatory."
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Two more stable kernels

화, 2020/01/28 - 2:00오전
Stable kernels 4.19.99 and 4.14.168. As usual, there are important fixes and users should upgrade.
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Stable kernel 5.4.15

화, 2020/01/28 - 12:12오전
Stable kernel 5.4.15 has been released with important fixes throughout the tree. Users should upgrade.
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Security updates for Monday

화, 2020/01/28 - 12:08오전
Security updates have been issued by Debian (jsoup and slirp), Fedora (community-mysql, elog, fontforge, libuv, libvpx, mingw-podofo, nodejs, opensc, podofo, thunderbird-enigmail, transfig, and xfig), openSUSE (arc, libssh, and libvpx), Red Hat (git, java-1.8.0-openjdk, java-11-openjdk, python-reportlab, and sqlite), Slackware (thunderbird), and SUSE (java-1_8_0-openjdk, python, and samba).
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