Unlocking Memory Efficiency: How mshare Aims to Reduce Page Table Overhead in Linux

Learn how mshare works, its benefits, challenges, and current status for reducing Linux page-table overhead in shared memory scenarios.

Efficiently Managing Pages Outside the Kernel's Direct Map: Insights from the 2026 LSMM Summit

Brendan Jackman's session at the 2026 LSMM Summit shifted from a pagetable library to efficient management of pages outside the kernel's direct map, addressing key challenges and potential improvements.

Critical Bug in Linux CUBIC Congestion Controller Permanently Stalls QUIC Connections – One-Line Fix Deployed

Cloudflare found a critical bug in Linux's CUBIC congestion controller that permanently stalls QUIC connections after congestion collapse. A one-line fix restores recovery.

5 Essential Terraform Updates That Transform Infrastructure Management

Terraform's latest updates include billable resource analytics, project-level remote state sharing, module testing for dynamic credentials, project-level notifications, and registry tagging. These features enhance cost visibility, governance, and scalability.

8 Ways Terraform Enterprise 2.0 Transforms Infrastructure at Scale

Discover 8 key features in Terraform Enterprise 2.0, from Stacks orchestration to cross-org migration, that simplify scaling infrastructure operations.

8 Game-Changing Features in Terraform 1.15 You Need to Know

Terraform 1.15 introduces dynamic module sources via the new 'const' variable attribute and structured deprecation for variables and outputs, enabling flexible configurations and smooth module lifecycle management.

Kubernetes v1.36 Delivers Production-Ready PSI Metrics for Deeper Resource Monitoring

Kubernetes v1.36 graduates PSI metrics to GA, offering low-overhead, production-ready resource contention monitoring at node, pod, and container levels.

How to Use the Linux Kernel Kill Switch to Mitigate Vulnerabilities

Step-by-step guide to using Linux kernel killswitch to disable vulnerable functions on a running system, including sysfs and boot parameter methods, verification, and safety tips.

Cross-Distribution Security Updates Address Critical Vulnerabilities

A roundup of security updates from AlmaLinux, Debian, Mageia, Slackware, SUSE, and Ubuntu addressing vulnerabilities in packages like Apache, Thunderbird, Expat, and more.

Shared Memory, Shared Page Tables: The Promise of Linux mshare

Linux mshare enables unrelated processes to share page tables, drastically reducing memory overhead from duplicated page table entries. Anthony Yznaga details progress at LSFMM+BPF 2026.

Efficient Management of Non-Direct-Mapped Pages: Insights from the 2026 Linux Storage Summit

Brendan Jackman's session at the 2026 Linux Summit shifted from a pagetable library to practical strategies for handling pages outside the kernel's direct map, including vmalloc improvements and hardware-assisted translations.

Debate Erupts Over Fedora AI Developer Desktop Proposal

Fedora community debates Red Hat's proposal for an AI Developer Desktop with out-of-tree drivers and toolkits, leading to a council vote reversal.

Securing Linux Against the Fragnesia LPE Vulnerability: A Step-by-Step Guide

A step-by-step guide to identify, assess, and patch the Fragnesia local privilege escalation vulnerability in Linux kernels, including verification and temporary mitigations.

Kubernetes v1.36 Now Ships Stable PSI Metrics to Detect Resource Saturation Before Outages

Kubernetes v1.36 graduates PSI metrics to GA, enabling node/pod/container stall detection with negligible overhead, validated at scale.

Debian's Reproducible Builds Mandate: A Comprehensive Guide for Maintainers and Users

Debian makes reproducible builds mandatory for Forky (Debian 14). Guide covers policy, checking/fixing packages, common mistakes, and verification.

The Copy.Fail Linux Vulnerability: 10 Critical Facts You Must Know

Copy.Fail is a severe Linux kernel LPE allowing unprivileged users to gain root. Affects all distros, containers, and Kubernetes. Patch now.

Kubernetes v1.36 Debuts Production-Grade PSI Metrics: A New Era for Node-Level Observability

Kubernetes v1.36 graduates PSI metrics to GA, offering stall-based monitoring that outperforms utilization metrics. Performance tests confirm negligible overhead.

Security Patch Roundup: Critical Updates Across Major Linux Distributions

Summary of recent security updates from AlmaLinux, Debian, Mageia, Slackware, SUSE, and Ubuntu, covering packages like exim4, thunderbird, and apache.

Understanding Mshare: Sharing Page Tables Among Linux Processes

Mshare allows unrelated Linux processes to share page tables for shared memory, reducing page table overhead. Anthony Yznaga presented an update at LSFMM+BPF 2026, addressing challenges and status.

Fedora AI Desktop Proposal Sparks Debate and Last-Minute Council Reversal

Fedora's AI Developer Desktop proposal sparked debate over out-of-tree kernel drivers. Council initially approved then reversed after last-minute vote change, sending plan back for revision.

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