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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: 24분 26초 지남

[$] Managing tasks with todo.txt and Taskwarrior

금, 2020/06/26 - 11:40오후
One quote from Douglas Adams has always stayed with me: "I love deadlines. I like the whooshing sound they make as they fly by". We all lead busy lives and few ever see the bottom of our long to-do lists. One of the oldest items on my list, ironically, is to find a better system to manage all my tasks. Can task-management systems make us more productive while, at the same time, reducing the stress caused by the sheer number of outstanding tasks?

This article, from guest author Martin Michlmayr, looks at todo.txt and Taskwarrior.

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Security updates for Friday

금, 2020/06/26 - 10:14오후
Security updates have been issued by Debian (alpine), Fedora (fwupd, microcode_ctl, mingw-libjpeg-turbo, mingw-sane-backends, suricata, and thunderbird), openSUSE (uftpd), Red Hat (nghttp2), SUSE (ceph, curl, mutt, squid, tigervnc, and unbound), and Ubuntu (linux kernel and nvidia-graphics-drivers-390, nvidia-graphics-drivers-440).
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Four new stable kernels

금, 2020/06/26 - 3:06오전
Greg Kroah-Hartman has announced the release of the 5.7.6, 5.4.49, 4.19.130, and 4.14.186 stable kernels. These all contain a rather large number of fixes all over the kernel tree; users of those series should upgrade.
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[$] Emulating Windows system calls in Linux

금, 2020/06/26 - 1:36오전
The idea of handling system calls differently depending on the origin of each call in the process's address space is not entirely new. OpenBSD, for example, disallows system calls entirely if they are not made from the system's C library as a security-enhancing mechanism. At the end of May, Gabriel Krisman Bertazi proposed a similar mechanism for Linux, but the objective was not security at all; instead, he is working to make Windows games run better under Wine. That involves detecting and emulating Windows system calls; this can be done through origin-based filtering, but that may not be the solution that is merged in the end.
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Security updates for Thursday

목, 2020/06/25 - 10:25오후
Security updates have been issued by Fedora (libexif, php-horde-horde, and tcpreplay), openSUSE (rubygem-bundler), Oracle (docker-cli docker-engine, kernel, and ntp), Slackware (curl and libjpeg), and Ubuntu (mutt).
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[$] LWN.net Weekly Edition for June 25, 2020

목, 2020/06/25 - 10:04오전
The LWN.net Weekly Edition for June 25, 2020 is available.
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[$] More alternatives to Google Analytics

목, 2020/06/25 - 5:17오전
Last week, we introduced the privacy concerns with using Google Analytics (GA) and presented two lightweight open-source options: GoatCounter and Plausible. Those tools are useful for site owners who need relatively basic metrics. In this second article, we present several heavier-weight GA replacements for those who need more detailed analytics. We also look at some tools that produce analytics data based on web-server-access logs, GoAccess, in particular.
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[$] Open-source contact tracing, part 1

목, 2020/06/25 - 3:12오전
One of the responses to the COVID-19 pandemic consists of identifying contacts of infected people so they can be informed about the risk; that will allow them to search for medical care, if needed. This is laborious work if it is done manually, so a number of applications have been developed to help with contact tracing. But they are causing debates about their effectiveness and privacy impacts. Many of the applications were released under open-source licenses. Here, we look at the principles of these applications and the software frameworks used to build them; part two will look into some applications in more detail, along with the controversies (especially related to privacy) around these tools.
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Perl 7 launches

목, 2020/06/25 - 2:14오전
The Perl project has announced the upcoming release of Perl 7. Unlike Perl 6, though, this is not a radical departure, yet at least: "Perl 7.0 is going to be v5.32 but with different, saner, more modern defaults. You won’t have to enable most of the things you are already doing because they are enabled for you. The major version jump sets the boundary between how we have been doing things and what we can do in the future." The plan is to have a Perl 7 release "within the next year".
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Security updates for Wednesday

목, 2020/06/25 - 12:06오전
Security updates have been issued by CentOS (kernel, ntp, and unbound), Fedora (php-horde-horde and tcpreplay), openSUSE (chromium, java-1_8_0-openj9, mozilla-nspr, mozilla-nss, and opera), Oracle (gnutls, grafana, thunderbird, and unbound), Red Hat (candlepin and satellite, docker, microcode_ctl, openstack-keystone, openstack-manila and openstack-manila, and qemu-kvm-rhev), Scientific Linux (kernel and ntp), Slackware (ntp), SUSE (curl, libreoffice, libssh2_org, and php5), and Ubuntu (curl).
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[$] PHP releases and support

수, 2020/06/24 - 6:38오전
PHP is used extensively on the web. How new features, security fixes, and bug fixes make their way into a release is important to understand. Likewise, understanding what can be expected in community support for previous releases is even more important. Since PHP-based sites are typically exposed to the Internet, keeping up-to-date is not something a security-minded administrator can afford to ignore.
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FOSS Contributor Survey

수, 2020/06/24 - 12:23오전
The Linux Foundation's Core Infrastructure Initiative (CII) and the Laboratory for Innovation Science at Harvard (LISH) have developed a survey for contributors to free and open-source software (FOSS) projects. The aim is "to identify how to improve security, including the sustainability of the FOSS ecosystem, especially the FOSS systems heavily relied upon by organizations worldwide."
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Security updates for Tuesday

화, 2020/06/23 - 11:59오후
Security updates have been issued by CentOS (thunderbird), Debian (wordpress), Fedora (ca-certificates, kernel, libexif, and tomcat), openSUSE (chromium, containerd, docker, docker-runc, golang-github-docker-libnetwork, fwupd, osc, perl, php7, and xmlgraphics-batik), Oracle (unbound), Red Hat (containernetworking-plugins, dpdk, grafana, kernel, kernel-rt, kpatch-patch, libexif, microcode_ctl, ntp, pcs, and skopeo), Scientific Linux (unbound), SUSE (kernel, mariadb, mercurial, and xawtv), and Ubuntu (mutt and nfs-utils).
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Linux Plumbers Conference virtual town hall

토, 2020/06/20 - 3:40오전
Mark your calendars: the Linux Plumbers Conference has scheduled an online town hall for June 25 at 15:00 GMT. "The first purpose is to test our remote conference set up. This is the first time we are holding Linux Plumbers virtually and while we can run simulated tests, it’s much more effective to test our setup with actual participants with differing hardware set ups around the world. The second purpose is to present on our planning and give everyone a little bit of an idea of what to expect when we hold Plumbers at the end of August. We plan to have time for questions." Testing the scalability of the conference system requires a lot of participants; the LPC organizers would appreciate it if a lot of people can find a moment to connect and help out.
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[$] Updating the Git protocol for SHA-256

토, 2020/06/20 - 1:07오전
The Git source-code management system has for years been moving toward abandoning the Secure Hash Algorithm 1 (SHA-1) in favor of the more secure SHA-256 algorithm. Recently, the project moved a step closer to that goal with contributors implementing new Git protocol capabilities to enable the transition.
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Security updates for Friday

금, 2020/06/19 - 10:34오후
Security updates have been issued by Debian (drupal7), Fedora (dbus, kernel, microcode_ctl, mingw-glib-networking, moby-engine, and roundcubemail), Mageia (libjpeg), openSUSE (chromium and rmt-server), Oracle (kernel and microcode_ctl), Red Hat (rh-nodejs8-nodejs and thunderbird), Slackware (bind), and SUSE (adns, containerd, docker, docker-runc, golang-github-docker-libnetwork, dbus-1, fwupd, gegl, gnuplot, guile, java-1_7_1-ibm, java-1_8_0-ibm, kernel, mozilla-nspr, mozilla-nss, perl, and php7).
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[$] Rethinking the futex API

금, 2020/06/19 - 6:35오전
The Linux futex() system call is a bit of a strange beast. It is widely used to provide low-level synchronization support in user space, but there is no wrapper for it in the GNU C Library. Its implementation was meant to be simple, but kernel developers have despaired at the complex beast that it has become, and few dare to venture into that code. Recently, though, a new effort has begun to rework futexes; it is limited to a new system-call interface for now, but the plans go far beyond that.
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Stable kernel 5.7.4

금, 2020/06/19 - 1:22오전
The 5.7.4 stable kernel has been released. It contains a single fix for a problem introduced in the rework of the VDSO clock code that affects paravirtualized guests. Users should upgrade.
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[$] Simple IoT Devices using ESPHome

금, 2020/06/19 - 12:21오전
ESPHome is a project that brings together two recent subjects at LWN: The open-source smart hub Home Assistant, and the Espressif ESP8266 microcontroller. With this project, smart home devices can be created and integrated quickly — without needing to write a single line of code.
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Krita 4.3.0 released

목, 2020/06/18 - 10:42오후
Version 4.3.0 of the Krita painting application is out. "There’s a whole new set of brush presets that evoke watercolor painting. There’s a color mode in the gradient map filter and a brand new palettize filter and a high pass filter. The scripting API has been extended. It’s now possible to adjust the opacity and lightness on colored brush tips separately. You can now create animated brush tips that select brush along multiple dimensions. We’ve made it possible to put the canvas area in a window of its own, so on a multi monitor setup, you can have all the controls on one monitor, and your images on the other. The color selector has had a big update. There’s a new snapshot docker that stores states of your image, and you can switch between those. There’s a brand new magnetic selection tool. Gradients can now be painting as spirals."
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