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OmniOS Updates Bring Microcode Mitigation For CrossTalk/SRBDS

Phoronix - 22. Červen 2020 - 11:51
New OmniOS Community Edition releases for this open-source Solaris/Illumos-based operating system are now available that principally bring updated Intel CPU microcode for mitigating the CrossTalk / SRBDS vulnerability...

NVIDIA A100 PCIe Accelerator Now Shipping For Servers

Phoronix - 22. Červen 2020 - 11:32
After announcing the NVIDIA Ampere architecture at last month's virtual keynote, beginning today the NVIDIA A100 PCI Express accelerator is now shipping in GPU compute servers...

Linux 5.8-rc2 Released For This Big Summer 2020 Kernel

Phoronix - 22. Červen 2020 - 0:15
Linus Torvalds as the father of the Linux kernel marked Father's Day 2020 with the release of Linux 5.8-rc2, right on schedule following last week's big 5.8-rc1 kernel with this cycle being one of the largest ever for this open-source kernel...

Pomalé IPv6 tunely s modemem Compal od UPC/Vodafone

Root.cz - 21. Červen 2020 - 23:00
[4 minuty čtení] Kabelová síť Vodafone (dříve UPC) je druhá největší přístupová síť v ČR. Pokud chcete veřejné IPv4 adresy i IPv6, musíte sáhnout po tunelu. Na prémiovém modemu Compal pak ale rychlost nikdy nepřesáhne 20 Mbps. Kabelová síť Vodafone (dříve UPC) je druhá největší přístupová síť v ČR, hned po telefonní/DSL síti CETINu. Pokud na ní ale chcete využívat vlastní veřejnou IPv4 adresu, nedostanete se k nativní IPv6 konektivitě – tu nabízí jen režim DS-Lite, při kterém jste za operátorským CG-NATem. Nezbývá vám tedy jiná možnost než používat IPv6 tunely (např. od Hurricane Electric). Na prémiovém modemu Compal ale s tunely využívajícími protokol 6in4 nikdy nedosáhnete rychlosti větší než přibližně 20 Mbps.

Postřehy z bezpečnosti: rybaření bez povolení

Root.cz - 21. Červen 2020 - 23:00
[4 minuty čtení] V dnešním dílu se podíváme na rafinovaný phishing, napadení letectví a obrany, největší DDoS v historii, návod na nastavení soukromí u zařízení Android a na závěr na zranitelnosti u TCP/IP knihovny a E-Business Suite (EBS). Jak nejlépe zlomit silnou šifru a vymámit z uživatelů citlivá data? Originální a velmi výnosný způsob phishingu úspěšně provozovali celý minulý rok vynalézaví zloději, kteří se seznámili se stránkou privnote.com. Ta se zaměřuje na zasílání velmi dobře zabezpečených zpráv – nejen že se ve výchozím nastavení samy zničí po přečtení (nebo nejdéle do třiceti dnů), ale ani vlastníci serveru si je nemohou přečíst. Dešifrovací klíč, který si uživatel vygeneruje spolu s odkazem na zprávu, si totiž server neukládá.

WireGuard Support Merged Into Upstream OpenBSD

Phoronix - 21. Červen 2020 - 20:34
Following WireGuard being merged into Linux 5.6, the attention turned in recent months by WireGuard developers onto seeing their kernel port upstreamed in OpenBSD. As of this weekend, the WireGuard upstreaming in OpenBSD is their latest accomplishment...

Perl 5.32 Released With Unicode 13.0 Support, Performance Enhancements

Phoronix - 21. Červen 2020 - 19:02
Perl is out this weekend with Perl 5.32 as the latest version of this interpreted programming language...

dav1d 0.7.1 AV1 Decoder Boosts 32-bit Arm Performance By ~28%

Phoronix - 21. Červen 2020 - 14:44
For those trying to carry out AV1 video decoding on a 32-bit Arm environment, the new dav1d 0.7.1 decoder should be a heck of a lot faster...

AMDGPU Patches Revived For Better Hot Device Unplug / External GPU Handling

Phoronix - 21. Červen 2020 - 13:59
More than one month ago we reported on AMDGPU patches proposed for better hot unplug handling, mainly for the use-case of external GPU solutions if disconnecting them while the system is still running to avoid a range of show-stopping problems. It's been a quiet few weeks but that work has now seen a new revision...

Vulkan 1.2.145 Released With VK_EXT_extended_dynamic_state

Phoronix - 21. Červen 2020 - 12:06
There have been a few Vulkan spec updates without any new extensions introduced but this weekend's Vulkan 1.2.145 revision does bring new functionality...

LLVM Is Looking At Establishing An "Incubator" Process For Encouraging New Sub-Projects

Phoronix - 21. Červen 2020 - 5:13
In addition to changing the acceptable language within the LLVM project, another topic this week sure to be interesting is on the establishing of an "incubator" process similar to that of Apache Incubator projects...

FSGSBASE Testing Is Encouraged Ahead Of Linux 5.9

Phoronix - 21. Červen 2020 - 0:36
A few days ago I mentioned that it looked like the FSGSBASE patches could finally land for Linux 5.9 and indeed this performance-sensitive x86_64 feature is on track for premiering the next kernel cycle. But additional testing is encouraged...

Krita 4.3 je venku, Wine 5.11 odstraňuje podporu 32bitového PowerPC [Stalo se]

Root.cz - 20. Červen 2020 - 23:00
[3 minuty čtení] AMD přináší kompresi videa pomocí VCN 3.0 do Linuxu, Xfce povyšuje Xfdesktop na verzi 4.15, TSMC zahajuje 5nm výrobu pro Apple a Qualcomm, Rescuezilla 1.0.6 staví na Ubuntu 20.04 LTS. Podpora video enginu generace VCN 3.0 a s tím související hardwarové akcelerace na poli komprese videa míří jak do Linuxu, tak do projektu MESA. Připraveny jsou kernelové patche pro generaci GPU Navi 2 i vše potřbené pro MESA 20.2.

Radeon ROCm 3.5.1 Open-Source Compute Stack Released

Phoronix - 20. Červen 2020 - 17:00
Two weeks after ROCm 3.5, the AMD Radeon team has now issued a patch update to this Radeon Open Compute stack...

A NVIDIA Engineer In His Spare Time Wrote A Vulkan Driver That Works On Older Raspberry Pi

Phoronix - 20. Červen 2020 - 13:45
The Raspberry Pi 1 through Raspberry Pi 3 Model B+ and even the Raspberry Pi Zero can now see Vulkan support via a new unofficial "RPi-VK-Driver" that is offering even better performance than the Broadcom OpenGL driver...

FPC 3.2 Pascal Compiler Released In 2020 - Even Adds Windows 3.0 16-bit Support

Phoronix - 20. Červen 2020 - 12:18
The Pascal programming language is 50 years old this year. The Free Pascal Compiler for Pascal / Object Pascal is out with version 3.2 to celebrate, five years since FPC's previous 3.0 stable series. Somewhat amusing. this FPC 3.2 compiler update adds a Windows 16-bit target support for building Pascal code for Windows 3.0+...

KDE Plasma 5.19 Sees Many Regression Fixes, Other Work For Plasma 5.20

Phoronix - 20. Červen 2020 - 11:53
KDE developers continue making much progress on enhancing their desktop through this pandemic and the nice summer weather...

Wine-Staging 5.11 Is Down To Just Over 700 Patches

Phoronix - 20. Červen 2020 - 11:29
Wine-Staging has traditionally been around 800~850 patches over upstream while with Wine-Staging 5.11 this experimental/testing flavor of Wine has ticked down to just a 702 patch delta...

The First Batch Of DRM-Misc-Next Changes For Linux 5.9 Sent In

Phoronix - 20. Červen 2020 - 7:45
The first batch of "drm-misc-next" changes have been sent in for DRM-Next that is targeting the Linux 5.9 merge window later this summer...

Xfce's Xfdesktop 4.15 Released

Phoronix - 20. Červen 2020 - 5:00
Xfce's "xfdesktop" desktop manager rolled out version 4.15 this week as the newest albeit unstable update...
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