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Reiser

Reiser4 Is Now Available For Linux 4.9, Mirror Code Almost Stable

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For those that haven't yet switched to Btrfs, ZFS On Linux, or running EXT4/XFS but holding out hope for Reiser4, this out-of-tree file-system code has been updated for Linux 4.9.

Reiser4 was released for Linux 4.9.0 last weekend but then a revised patch series came out three days ago to fix some problems with this port to 4.9. With the new Reiser4 patches built against Linux 4.9.1, all should be well if you want to use this experimental file-system on the newest Linux kernel.

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Reiser4 Now Available For Linux 4.8 Kernel

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While Linux 4.9 will be released in just a few weeks, the remaining Reiser4 file-system developers have just updated their code to support the Linux 4.8 stable kernel.

Reiser4 for Linux 4.8.0 is now available for those wanting to run this out-of-tree file-system on the current stable kernel. The Reiser4 kernel is now compatible with 4.8 and there is also a kernel oops fix when mounting forward-incompatible volumes, unneeded assertions were removed, some VFS changes were made, and there is now rename2 support.

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Reiser4 Implements Mirror & Failover Support

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Edward Shishkin, one of the last remaining Reiser4 developers and the one who has been leading this out-of-tree file-system the past few years, has implemented logical volumes support with support for mirrors (in effect, RAID 0) and failover support at the file-system level.

Shishkin quietly announced on Sunday, "Reiser4 will support logical (compound) volumes. For now we have implemented the simplest ones - mirrors. As a supplement to existing checksums it will provide a failover - an important feature, which will reduce number of cases when your volume needs to be repaired by fsck."

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Reiser4 Now Has Support For The Linux 4.7 Kernel

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The Reiser4 file-system now has support for the latest stable Linux kernel series, Linux 4.7.

Released this morning by Edward Shishkin was the updated Reiser4 file-system driver patch that provides compatibility for Linux 4.7.0. The only other change besides porting over to Linux 4.7 is a small returned optimization.

There's been no talk in a few years about attempting to mainline the Reiser4 file-system in the Linux kernel. Thus for now if you want to try out this once-promising file-system, swing by SourceForge to patch your kernel.

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Linux Filesystems

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Movies
  • My assessment of “btrfs”

    In short: Novelist Stephen Elliott (James Franco) find himself drawn to the high-profile Hans Reiser (Christian Slater) murder trial - a case that brings him closer to his own troubled past with father (Ed Harris). Amber Heard, Wilmer Valderrama and Cynthia Nixon also star. (Watch the trailer)

  • The Adderall Diaries

    While Romanowsky gamely tries to negotiate the same structural tricks as the book, which employed the Reiser case as a base camp from which the author could depart and return, in the film it feels more like a subplot despite the cinematic tricks -- the cross-cutting and slo-mo flashbacks -- that the director uses to try to connect the stories. At times it feels flat, other times risible, and only occasionally do the stories resonate in any kind of harmony.

  • My assessment of “btrfs”

    Short version — I will continue to use “ext4” in future installs.

    Note that this a personal view, not a recommendation. My own choice depends on how I use computers and my practices for backup, recovery, etc. Your practices are likely different. Much of this post will be about my considerations in deciding against “btrfs” for my own use.

[via Susan]

Reiser4 Now Available For Linux 4.5 Kernel

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The Reiser4 file-system has been updated with support for the Linux 4.5 kernel.

Edward Shishkin, the main Reiser4 developer left working on this out-of-tree file-system, today spun the Reiser4 patches for the Linux 4.5 kernel that also includes a few fixes/changes for satisfying the kernel and compiler. Aside from that, there's nothing new to report today with regard to new Reiser4 file-system features nor any new attempt to try to mainline this file-system code.

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Reiser4 Updated For Linux 3.16 With SSD Discard Support

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While Reiser4 doesn't still have any mainline Linux kernel ambitions until receiving any corporate backing, the notoriously known Linux file-system has been updated for Linux 3.16 compatibility and SSD discard support.

Over the weekend the Reiser4 file-system patches were updated for Linux 3.16.1/3.16.2 kernel support and additionally for presenting SSD discard support for the long-in-development Linux FS. This latest Reiser4 file-system work was done by Ivan Shapovalov and Edward Shishkin.

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Reiser4 Now Available for the 3.15 kernel, so what?

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Reiser

A recent announcement was made stating that the Reiser4 file system, successor to the ReiserFS, was ported to the 3.15 Linux kernel. Following the 2006 conviction and incarceration of the mastermind that original conceived this project (Hans Reiser), a few dedicated developers continued supporting this file system despite the odds stacked against them. In the last decade, the Linux kernel has seen newer file systems, most of which are integrated into the mainline kernel tree (i.e. btrfs, ext4, etc.). Reiser4 was rejected for inclusion some time back, and most of its developers moved on (one or more of which are currently working on btrfs).

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Reiser4 Now Available For Linux 3.15

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While the Linux 3.16 kernel is now stable, a few days ago the Reiser4 file-system was finally ported to Linux 3.15.

Edward Shishkin released Reiser4 for the Linux 3.15.1 kernel last weekend. Besides being ported to the kernel interface changes for Linux 3.15, there's also two bug-fixes for the out-of-tree file-system. Most of the Reiser4 activity these days continues to just be porting to new kernel versions and bug-fixing. Edward is down to being one of the only main developers left and there's expected to be no effort to mainline the controversial file-system without the support of a major Linux ISV/IHV.

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Reiser4 File-System SSD "Discard" Support Gets Revised

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Ivan Shapovalov is back on track with his Reiser4 file-system contributions.

Shapovalov has been working on Reiser4 support for TRIM/Discard on SSDs. It's been some weeks since the last revision but the fourth version of the patches are now out there for this common file-system feature of being able to discard blocks by informing the solid-state drive about blocks that are no longer in use by the file-system. Most mainline Linux file-systems already support SSD discard, which is generally exposed via the discard mount option -- which is also the case for Reiser4.

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The 10 Best Raspberry Pi Stores Available in the Market

Raspberry Pi is the most discussed single-board computer nowadays, which is highly applied in the development of IoT. It was made to make computing more accessible, and we can say it succeeded quite thoroughly. Now, with the emerging importance of the Pi, more and more people are getting interested in buying it and looking for the finest and authentic Raspberry Pi Stores around them. If you are one of them, let’s say you have reached the best place to get your answer! [...] The Pi Hut’s Raspberry Pi superstore started its journey in 2012 with selling SD cards only. Since then, they have been upgrading gradually and finally reached this point where they are regarded as #1 Raspberry Pi Store. You will find all the latest and finest Raspberry Pi accessories and add-ons. Besides their excellent quality products, they offer fast and caring customer service. Moreover, their website provides a Raspberry Pi compatibility checker on each of the product’s page that allows you to know which product fit well with which Pi model. Read more

today's howtos

Security Leftovers

  • Security updates for Tuesday

    Security updates have been issued by Mageia (mysql-connector-java), openSUSE (chromium, curl, libqt4, and singularity), Red Hat (bash and kernel), SUSE (python-pip and python3), and Ubuntu (busybox, ceph, freeimage, libofx, libpam-tacplus, linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-gke-4.15, linux-hwe, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon, linux, linux-azure, linux-gcp, linux-oracle, novnc, and tnef).

  • Microsoft secures backend server that leaked Bing data [Ed: "No personal user data was leaked in the incident," says ZDNet about a Microsoft security incident, just because the liars from Microsoft said so. Did ZDNet check to verify? No. Reprinting lies.]

    Microsoft has suffered a rare cyber-security lapse earlier this month when the company's IT staff accidentally left one of Bing's backend servers exposed online.

  • No security audit done on Chinese smartphones- IT ministry

    Ministry of Electronics and Information Technology, Government of India, today clarified that it has not conducted any sort of study to check if Chinese-made smartphones used in India are sending sensitive data to their country of origin. “Ministry of Electronics and Information Technology (MeitY) has not conducted any such study,” said Minister of State Sanjay Dhotre, in response to a question by Rajya Sabha MP Vivek Tankha. [...] While the Gnu Public License, which governs the Linux Operating System, requires anyone who makes changes to the code to disclose the changes publicly, such a requirement is not there for BSD, and therefore, for Android. Unlike GPL, the BSD license allows any company to take the code, alter it in any way they want, and not disclose the changes to anyone.

  • No, Moving Your SSH Port Isn’t Security by Obscurity

    In short, you just made it harder for the enemy to successfully attack you by giving them a resource problem. Sure, they can check under every rock in Central Park and eventually find the package, but you’ll be done with the mission by then.

    Obscurity doesn’t apply if people know the mechanism you’re using and they simply have a resource problem. Having a known defense but a hidden key is a well-established part of good security, and it has been for millennia.

GNU/Linux-Compatible Devices

  • Raspberry Pi turns retro radio into interactive storyteller
  • Microchip graphics toolkit for Linux-on-Arm

    Called Ensemble Graphics Toolkit, it is a no-cost and royalty-fre open-source C++ suite based on the permissive Apache 2.0 open-source license. It works with the company’s chips, system-in-package and system-on-module products. “By taking advantage of underlying hardware acceleration, including graphics controllers and video decoders when available, the toolkit provides a high-performance user experience on low and mid-range graphical displays up to XGA [1,024 x 768] resolution,” according to the company. “Ensemble Graphics Toolkit and Linux can be optimised for boot times of under three seconds from cold reset that is required for applications such as automotive dashboard clusters.”

  • Intel Rocket Lake and Xe DG1 GPU now have Linux support

    Intel has updated its Compute Runtime to support its upcoming Rocket Lake desktop processors and Intel DG1 graphics based on its Xe GPU architecture. Overall, this can be seen as a sign that things are moving at a steady pace with Intel’s 11th generation core CPUs and discrete graphics.

  • Work smarter and harder!

    We’re decided to focus on how an open source smart home office looks and runs with a bit of help from the Raspberry Pi. From setting up a low-overhead video conferencing system to collaborative document editing and sharing, to more mundane smart-home control options, this is what happens when we leave Jonni to his own devices at home for six months! Hopefully you’ll find something that will be of genuine use around your new working-from-home home office, or at least something for which use a spare Pi!