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Wednesday May 29, 2019. 11:25 PM
A kernel debugger that allows Python scripts to access data structures in a running kernel was the topic of Omar Sandoval's plenary session at the 2019 Linux Storage, Filesystem, and Memory-Management Summit (LSFMM). In his day job at Facebook, Sandoval does a fair amount of ...
In a followup to his earlier session on dying control groups, Roman Gushchin wanted to talk about problems with the shrinkers and filesystem caches in a combined filesystem and memory-management session at the 2019 Linux Storage, Filesystem, and Memory-Management Summit...
Version 1.0 of the GParted GNOME Partition Editor has been released. 'The GParted 1.0.0 release includes a significant undertaking to migrate the code base from gtkmm2 to gtkmm3 (our GTK3 port).'
Version 4.2.0 of the Krita paint tool is out. 'New in Krita 4.2.0 is updated support for drawing tablets, support for HDR monitors on Windows, an improved color palette docker, scripting API for animation, color gamut masking, improved selection handling, much nicer handling ...
Kees Cook reviews the security-related enhancements in the 5.1 kernel release. 'Now /proc/$pid can be opened and used as an argument for sending signals with the new pidfd_send_signal() syscall. This handle will only refer to the original process at the time the open()...
<p> In a filesystem session on the third day of the 2019 Linux Storage, Filesystem, and Memory-Management Summit (LSFMM), Steve French wanted to talk about copy operations. Much of the development work that has gone on in the Linux filesystem world over the last few years...
Security updates have been issued by Arch Linux (webkit2gtk), Debian (kernel and libav), Fedora (c3p0 and community-mysql), Scientific Linux (pacemaker), SUSE (axis, libtasn1, NetworkManager, sles12sp3-docker-image, sles12sp4-image, system-user-root, and xen), and Ubuntu...
<p> Finding a way for applications to do atomic writes to files, so that either the old or new data is present after a crash and not a combination of the two, was the topic of a session led by Christoph Hellwig at the 2019 Linux Storage, Filesystem, and Memory-Management...
Tuesday May 28, 2019. 08:21 PM
Ted Ts'o led a discussion on storage testing and, in particular, on his experience getting blktests running for his test environment, in a combined storage and filesystem session at the 2019 Linux Storage, Filesystem, and Memory-Management Summit. He has been adding more...
Debian Linux and its family of derivatives (such as Ubuntu) are partly characterized by their use of.deb as the packaging format. Packages in this format are produced not only by the distributions themselves, but also by independent software vendors. The last major change of ...
Security updates have been issued by Arch Linux (firefox and thunderbird), Debian (sox and vcftools), Fedora (safelease and sharpziplib), openSUSE (chromium, evolution, graphviz, nmap, systemd, transfig, and ucode-intel), Red Hat (pacemaker), SUSE (curl, libvirt, openssl,...
<p> The stable tree was the topic for a plenary session led by Sasha Levin at the 2019 Linux Storage, Filesystem, and Memory-Management Summit (LSFMM). One of the main areas that needs attention is testing, according to Levin. He wanted to discuss how to do more and better...
Monday May 27, 2019. 06:05 PM
The physical memory in a computer system is a precious resource, so a lot of effort has been put into managing it effectively. This task is made more difficult by the complexity of the memory architecture on contemporary systems. There are several layers of abstraction that...
Security updates have been issued by Debian (curl, jackson-databind, minissdpd, php5, thunderbird, wireshark, and wpa), Fedora (curl, drupal7, firefox, kernel, libmediainfo, mediaconch, mediainfo, mod_http2, mupdf, rust, and singularity), openSUSE (containerd, docker,...
The second 5.2 kernel prepatch is out for testing. 'Fairly normal rc2, no real highlights - I think most of the diff is the SPDX updates. Who am I kidding? The highlight of the week was clearly Finland winning the ice hockey world championships.' The codename has been...
Saturday May 25, 2019. 10:50 PM
The latest set of stable kernel updates is 5.1.5, 5.0.19, 4.19.46, 4.14.122, and 4.9.179. Each contains yet another set of important fixes.
Friday May 24, 2019. 04:46 PM
Several new system calls have been proposed for addition to the kernel in a near-future release. A few of those, in particular, focus on memory-management tasks. Read on for a look at process_vm_mmap() (for zero-copy data transfer between processes), and two new APIs for...
Security updates have been issued by Debian (zookeeper), Fedora (kernel, singularity, and thunderbird), openSUSE (java-1_8_0-openjdk), Oracle (curl), Red Hat (firefox, libvirt, and virt:rhel), SUSE (php5, python-Jinja2, python-Pillow, and sysstat), and Ubuntu (MariaDB).
Thursday May 23, 2019. 04:17 PM
The linux-kernel mailing list has recently seen more than the usual amount of traffic proposing new system calls. LWN is endeavoring to catch up with that stream, starting with a couple of proposals for the management of file descriptors. pidfd_open() is a new way to create...
Security updates have been issued by Debian (ffmpeg and firefox-esr), openSUSE (bzip2, chromium, and GraphicsMagick), Slackware (curl), SUSE (ucode-intel), and Ubuntu (curl and intel-microcode).
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