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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.
Updated: 2 hours 5 min ago

Security updates for Tuesday

5 hours 45 min ago
Security updates have been issued by Debian (flask), openSUSE (clementine, dkgpg, libTMCG, openexr, and zstd), Oracle (kernel, mysql:8.0, redis:5, and subversion:1.10), SUSE (nodejs6, python-Django, and rubygem-rails-html-sanitizer), and Ubuntu (cups, docker, docker-credential-helpers, kconfig, kde4libs, libreoffice, nova, and openldap).

[$] On-disk format robustness requirements for new filesystems

Monday 19th of August 2019 11:17:00 PM
The "Extendable Read-Only File System" (or "EROFS") was first posted by Gao Xiang in May 2018; it was merged into the staging tree for the 4.19 release. There has been a steady stream of work on EROFS since then, and its author now thinks that it is ready to move out of staging and join the other official filesystems in the kernel. It would seem, though, that there is one final hurdle that it may have to clear: robustness in the face of a corrupted on-disk filesystem image. That raises an interesting question: to what extent do new filesystems have to exhibit a level of robustness that is not met by the filesystems that are currently in heavy use?

Stapelberg: distri: a Linux distribution to research fast package management

Monday 19th of August 2019 01:46:11 PM
Michael Stapelberg has announced the first release of "distri", a distribution focused on simplifying and accelerating package management. "distri’s package manager is extremely fast. Its main bottleneck is typically the network link, even at high speed links (I tested with a 100 Gbps link). Its speed comes largely from an architecture which allows the package manager to do less work."

Security updates for Monday

Monday 19th of August 2019 01:39:31 PM
Security updates have been issued by CentOS (kernel and openssl), Debian (ffmpeg, golang-1.11, imagemagick, kde4libs, openldap, and python3.4), Fedora (gradle, hostapd, kdelibs3, and mgetty), Gentoo (adobe-flash, hostapd, mariadb, patch, thunderbird, and vlc), Mageia (elfutils, mariadb, mythtv, postgresql, and redis), openSUSE (chromium, kernel, LibreOffice, and zypper, libzypp and libsolv), Oracle (ghostscript), Red Hat (rh-php71-php), SUSE (bzip2, evince, firefox, glib2, glibc, java-1_8_0-openjdk, polkit, postgresql10, python3, and squid), and Ubuntu (firefox).

A new chair for the openSUSE board

Monday 19th of August 2019 01:21:45 PM
Richard Brown has announced that he is stepping down as the chair of the openSUSE board. "I have absolute confidence in the openSUSE Board; Indeed, I don't think I would be able to make this decision at this time if I wasn't certain that I was leaving openSUSE in good hands. On that note, SUSE has appointed Gerald Pfeifer as my replacement as Chair. Gerald is SUSE's EMEA-based CTO, with a long history as a Tumbleweed user, an active openSUSE Member, and upstream contributor/maintainer in projects like GCC and Wine."

Kernel prepatch 5.3-rc5

Monday 19th of August 2019 01:17:34 PM
Linus has released the 5.3-rc5 kernel prepatch, saying: "It's been calm, and nothing here stands out, except perhaps some of the VM noise where we un-reverted some changes wrt node-local vs hugepage allocations."

Git v2.23.0 released

Sunday 18th of August 2019 03:06:10 PM
Version 2.23.0 of the Git source-code management system is out. There's a lot of new features, including a new "git merge --quit" option, new "git switch" and "git restore" commands, and more.

[$] Reconsidering unprivileged BPF

Friday 16th of August 2019 03:11:47 PM
The BPF virtual machine within the kernel has seen a great deal of work over the last few years; as that has happened, its use has expanded to many different kernel subsystems. One of the objectives of that work in the past has been to make it safe to allow unprivileged users to load at least some types of BPF programs into the kernel. A recent discussion has made it clear, though, that the goal of opening up BPF to unprivileged users has been abandoned as unachievable, and that further work in that direction will not be accepted by the BPF maintainer.

kdevops: a devops framework for Linux kernel development

Friday 16th of August 2019 02:58:56 PM
Luis Chamberlain has announced the "kdevops" kernel-development framework. "I'm announcing the release of kdevops which aims at making setting up and testing the Linux kernel for any project as easy as possible. Note that setting up testing for a subsystem and testing a subsystem are two separate operations, however we strive for both. This is not a new test framework, it allows you to use existing frameworks, and set those frameworks up as easily can humanly be possible. It relies on a series of modern hip devops frameworks, it relies on ansible, vagrant and terraform, ansible roles through the Ansible Galaxy, and terraform modules."

Stable kernels 5.2.9, 4.19.67, and 4.14.139

Friday 16th of August 2019 02:43:55 PM
Three new stable kernels have been announced by Greg Kroah-Hartman: 5.2.9, 4.19.67, and 4.14.139. There are important fixes in each; users should upgrade.

Security updates for Friday

Friday 16th of August 2019 01:52:52 PM
Security updates have been issued by Debian (freetype, libreoffice, and openjdk-7), Fedora (edk2, mariadb, mariadb-connector-c, mariadb-connector-odbc, python-django, and squirrelmail), Gentoo (chromium, cups, firefox, glibc, kconfig, libarchive, libreoffice, oracle-jdk-bin, polkit, proftpd, sqlite, wget, zeromq, and znc), openSUSE (bzip2, chromium, dosbox, evince, gpg2, icedtea-web, java-11-openjdk, java-1_8_0-openjdk, kconfig, kdelibs4, mariadb, mariadb-connector-c, nodejs8, pdns, polkit, python, subversion, and vlc), Oracle (ghostscript and kernel), Red Hat (mysql:8.0 and subversion:1.10), SUSE (389-ds, libvirt and libvirt-python, and openjpeg2), and Ubuntu (nginx).

KDE Applications 19.08 Brings New Features to Konsole, Dolphin, Kdenlive, Okular and Dozens of Other Apps (KDE.News)

Thursday 15th of August 2019 11:36:02 PM
KDE.News reports on the release of KDE Applications 19.08. The release has updates for many different applications, as can also be seen in the official announcement. "Take Konsole, our powerful terminal emulator, which has seen major improvements to its tiling abilities. We've made tiling a bit more advanced, so now you can split your tabs as many times as you want, both horizontally and vertically. The layout is completely customizable, so feel free to drag and drop the panes inside Konsole to achieve the perfect workspace for your needs. Dolphin, KDE's file explorer, introduces features that will help you step up your file management game. Let's start with bookmarks, a feature that allows you to create a quick-access link to a folder, or save a group of specific tabs for future reference. We've also made tab management smarter to help you declutter your desktop. Dolphin will now automatically open folders from other apps in new tabs of an existing window, instead of in their own separate windows."

[$] PHP and P++

Thursday 15th of August 2019 02:03:33 PM
PHP is the Fortran of the world-wide web: it demonstrated the power of code embedded in web pages, but has since been superseded in many developers' minds by more contemporary technologies. Even so, as with Fortran, there is far more PHP code out there than one might think, and PHP is still chosen for new projects. There is a certain amount of tension in the PHP development community between the need to maintain compatibility for large amounts of ancient code and the need to evolve the language to keep it relevant for current developers. That tension has now come into the open with a proposal to split PHP into two languages.

Security updates for Thursday

Thursday 15th of August 2019 01:26:37 PM
Security updates have been issued by openSUSE (irssi, ledger, libheimdal, libmediainfo, libqb, and libsass) and Slackware (mozilla).

[$] LWN.net Weekly Edition for August 15, 2019

Thursday 15th of August 2019 12:51:42 AM
The LWN.net Weekly Edition for August 15, 2019 is available.

[$] Hardening the "file" utility for Debian

Wednesday 14th of August 2019 06:47:49 PM
The file command would seem to be an ideal candidate for sandboxing; it routinely handles untrusted input. But an effort to add seccomp() filtering to file for Debian has run aground. The upstream file project has added support for sandboxing via seccomp() but it does not play well with other parts of the Debian world, package building in particular. This situation provides further evidence that seccomp() filtering is brittle and difficult to use.

EPEL 8.0 released

Wednesday 14th of August 2019 03:45:44 PM
EPEL 8.0 is out. "EPEL stands for Extra Packages for Enterprise Linux and is a subcommunity of the Fedora and CentOS projects aimed at bringing a subset of packages out of Fedora releases ready to be used and installed on various Red Hat Enterprise Linux (RHEL)." Beyond the update to RHEL (and CentOS) 8, this release features a new faster-moving "playground" package stream and support for the s390 architecture.

Kroah-Hartman: Patch Workflow With Mutt - 2019

Wednesday 14th of August 2019 03:21:18 PM
For those interested in the details of how one kernel developer works: Greg Kroah-Hartman has documented his email workflow in great detail. "The ability to edit a single message directly within my email client is essential. I end up having to fix up changelog text, editing the subject line to be correct, fixing the mail headers to not do foolish things with text formats, and in some cases, editing the patch itself for when it is corrupted or needs to be fixed (I want a Linkedin skill badge for 'can edit diff files by hand and have them still work')"

Security updates for Wednesday

Wednesday 14th of August 2019 02:53:55 PM
Security updates have been issued by Debian (kernel, linux-4.9, otrs2, and tomcat8), Fedora (igraph and jhead), openSUSE (ansible, GraphicsMagick, kconfig, kdelibs4, live555, mumble, phpMyAdmin, proftpd, python-Django, and znc), Oracle (kernel and openssl), Red Hat (kernel, openssl, and rh-mysql80-mysql), Scientific Linux (kernel and openssl), Slackware (kernel), SUSE (containerd, docker, docker-runc, golang-github-docker-libnetwork and mariadb-100), and Ubuntu (linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon, linux-aws, linux-aws-hwe, linux-lts-xenial, linux-aws, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon, linux-snapdragon, php5, php7.0, php7.2, and wpa).

[$] Corner cases and exception types

Tuesday 13th of August 2019 09:13:05 PM
Some unanticipated corner cases with Python's new "walrus" operator—described in our Python 3.8 overview—have cropped up recently. The problematic uses of the operator will be turned into errors before the final release, but just what exception should be raised came into question. It seems that the exception specified in the PEP for the operator may not really be the best choice, as a recent discussion hashed out.

More in Tux Machines

IBM: OpenPOWER Foundation, Savings and the OpenStack Platform

  • OpenPOWER Foundation | The Next Step in the OpenPOWER Foundation Journey

    Today marks one of the most important days in the life of the OpenPOWER Foundation. With IBM announcing new contributions to the open source community including the POWER Instruction Set Architecture (ISA) and key hardware reference designs at OpenPOWER Summit North America 2019, the future has never looked brighter for the POWER architecture. OpenPOWER Foundation Aligns with Linux Foundation The OpenPOWER Foundation will now join projects and organizations like OpenBMC, CHIPS Alliance, OpenHPC and so many others within the Linux Foundation. The Linux Foundation is the premier open source group, and we’re excited to be working more closely with them. Since our founding in 2013, IEEE-ISTO has been our home, and we owe so much to its team. It’s as a result of IEEE-ISTO’s support and guidance that we’ve been able to expand to more than 350 members and that we’re ready to take the next step in our evolution. On behalf of our membership, our board of directors and myself, we place on record our thanks to the IEEE-ISTO team. By moving the POWER ISA under an open model – guided by the OpenPOWER Foundation within the Linux Foundation – and making it available to the growing open technical commons, we’ll enable innovation in the open hardware and software space to grow at an accelerated pace. The possibilities for what organizations and individuals will be able to develop on POWER through its mature ISA and software ecosystem will be nearly limitless.

  • How Red Hat delivers $7B in customer savings

    This spring, Red Hat commissioned IDC to conduct a new study to analyze the contributions of Red Hat Enterprise Linux to the global business economy. While many of the findings were impressive, including immense opportunities for partners, we were especially excited to learn more about how our customers benefit from Red Hat Enterprise Linux. According to the study, the world’s leading enterprise Linux platform "touches" more than $10 trillion of business revenues worldwide each year and provides economic benefits of more than $1 trillion each year to customers. Nearly $7 billion of that number comes in the form of IT savings. Even more exciting? As hybrid cloud adoption grows, we expect customers to continue to benefit given the importance of a common, flexible and open operating system to IT deployments that span the many footprints of enterprise computing.

  • The road ahead for the Red Hat OpenStack Platform

    If you didn't have a chance to attend our Road Ahead session at Red Hat Summit 2019 (or you did, but want a refresher) you'll want to read on for a quick update. We'll cover where Red Hat OpenStack Platform is today, where we're planning to go tomorrow, and the longer-term plan for Red Hat OpenStack Platform support all the way to 2025. A strategic part of our portfolio Red Hat OpenStack Platform is a strategic part of Red Hat's vision for open hybrid cloud. It's the on-prem foundation that can help organizations bridge the gap between today's existing workloads and emerging workloads. In fact, it just earned the 2019 CODiE award for "Best Software Defined Infrastructure." One of those emerging workloads, and more on the rest in a moment, is Red Hat OpenShift.

Android Leftovers

Is Fedora Linux a Good Distro? The 15 Best Reasons to Use Fedora Linux

It goes without saying that Fedora Linux is one of the best Linux distributions and significantly distinct with its properties. There is no denying that it is an enticing version of Linux and there are enough reasons to be lured with the Fedora. It offers far ranges of features that have made it an undeniable choice for the users. There is a close and intimate collaboration between Fedora and “Redhat” what has given a new dimension of this Linux version. It is more comfortable to use, user-friendly and latest technology oriented; thus, there are many obvious reasons for loving in it. [...] The various distribution of Linux system is recognized for easy-going properties, albeit Fedora is the easiest one in this context. Having an easier interface, users are capable of dealing with it very easily since the boot phase. When the boot is done, users will be guided with simple features to run it the way they desire. Read more

Dualboot Ubuntu 19.04 and Debian 10 on a 32GB USB Stick

Ubuntu 19.04, or Disco Dingo, and Debian 10, or Buster, are two latest versions in 2019 of two most popular GNU/Linux distros I already wrote about here and here. This tutorial explains dualboot installation procedures in simple way for Ubuntu Disco Dingo and Debian Buster computer operating systems onto a portable USB Flash Drive. There are 2 advantages of this kind of portable dualbooting; first, it's safer for your data in internal HDD and second, you can bring both OSes with you everywhere you go. You will prepare the partitions first, then install Ubuntu, and then install Debian, and finally finish up the GRUB bootloader, and enjoy. Go ahead! Read more