BLOG ESPECIALIZADO NO MUNDO LINUX. Blog de Linux com vídeo aulas, notícias do mundo Linux e do Software Livre.
After years of dominance by full disk encryption and FSCRYPT, the eCryptfs stackable filesystem sees a surprising resurgence in Linux 7.0. This expert analysis dives into the latest kernel patches, the future of per-directory encryption, and what Tyler Hicks’ return means for enterprise data security.
Linux Kernel 7.0 is set to revolutionize system performance with a major optimization to the close_range() syscall. This deep dive explores how the new patch shifts complexity from O(Range Size) to O(Active FDs), leveraging find_next_bit() to deliver a significant speed boost for sparse file descriptor tables. Learn how this impacts high-performance computing and server efficiency.
Dive into Linux Kernel 7.0’s groundbreaking VFS updates: NULLFS simplifies initramfs boot security, while OPEN_TREE_NAMESPACE accelerates container launch performance. Explore the technical architecture, enterprise implications, and how these merges optimize systemd and Kubernetes orchestration.
BM engineer Viacheslav Dubeyko's RFC introduces a native Machine Learning Library (ML_LIB) for the Linux kernel, enabling AI-driven performance optimization. Explore the technical challenges, user-kernel space proxy architecture, and industry implications of embedding ML models directly into kernel subsystems for next-gen computing. This pivotal development bridges AI research and core OS functionality, sparking critical debate on the LKML.
The Linux kernel is reverting its SMC TCP ULP feature in version 6.20/7.0 due to a fundamental VFS design flaw. This deep-dive analysis explores the technical risks, the superior BPF-based alternatives, and what this means for enterprise networking, kernel security, and high-performance computing (HPC). Learn about the future of transparent socket migration.
Discover how Linux 7.0's new OPEN_TREE_NAMESPACE system call flag, developed by Microsoft's Christian Brauner, delivers 40% faster container launches, enhanced security, and reduced system overhead for high-density orchestration. A deep dive into kernel-level optimization.
The Linux kernel's legacy mount API faces final deprecation in Linux 7.0, removing internal code after years of transition. This comprehensive guide explores technical implications for filesystem drivers, enterprise migration strategies, and the future of Linux storage architecture. Essential reading for kernel developers and system administrators managing this pivotal infrastructure change.
Linux 6.19-rc1 kernel is released, featuring major VFS layer cleanups and the first real Rust-based drivers. Explore key changes like default AMDGPU for GCN 1.0/1.1, filesystem work, and prep for AMD Zen 6 & Intel Nova Lake. Learn what this means for developers & sysadmins.
d_genocide() function from the Linux 6.19 kernel. This deep dive analyzes the Linux kernel's dcache subsystem, terminology evolution, and the pull request from maintainer Al Viro that refactored the code for kill_litter_super(). A must-read for systems developers and open-source contributors.
Explore Intel's latest open-source Linux kernel patches enabling DMA-BUF mapping via IOV interconnects for SR-IOV virtualization. This technical deep dive explains how the Intel Xe driver & VFIO-PCI enhancements boost GPU performance in virtualized environments, paving the way for Project Battlematrix.
Intel's new VFIO-enabled Xe graphics driver for Linux marks a pivotal shift for GPU virtualization. Explore its impact on professional workflows, cloud gaming, and enterprise VDI solutions, and how it challenges NVIDIA's dominance. Unlock high-performance GPU passthrough for KVM and QEMU setups.
Linux kernel developers are phasing out classic initrd support with a new 62-patch series, potentially removing over 1000 lines of code. Learn what this means for system boot times, modern embedded Linux development, and the future of the kernel's architecture. Stay updated on critical Linux news.
Urgent SUSE SLES 15 SP5 kernel security update addresses critical CVEs (2025-02807-1). Prevent privilege escalation, memory corruption & ransomware attacks. Learn patching steps & exploit risks. Official SUSE advisory.
Critical Oracle Linux 7 Update ELSA-2025-10548 patches Apache Commons VFS vulnerability CVE-2025-27553. Learn exploit risks, patch urgency for enterprise security, and download RPMs. Secure systems against URI parsing exploits now. Official ULN sources included.
Linux 6.16 merges VFS updates enabling power subsystem-controlled filesystem freeze/thaw for suspend/resume cycles. Learn how Microsoft’s Christian Brauner’s work improves hibernation stability, with new sysfs controls and EFI vars support.
Kent Overstreet’s Bcachefs patch enables OverlayFS to support case-folding file-systems, fixing a major Linux limitation. Essential for IoT, containers, and live OS environments. Learn the technical details and implications.
Intel Xe driver updates for Linux 6.16 bring critical bug fixes, VRAM optimizations, and security patches—ideal for developers, cloud engineers, and gamers. Learn how these changes impact performance.
No final de 2023, foram introduzidas abstrações Rust para o código do Sistema de Arquivos Virtual (VFS) do kernel Linux.
Recentemente, no ramo de desenvolvimento do subsistema de criptografia, surgiu um novo recurso que promete revolucionar a forma como lidamos com a migração ao vivo VFIO.