Preface: The three top industries that use Apache Airflow for Workflow Automation are Machine Learning, Big Data and Artificial Intelligence. Background: Airflow is a platform that lets you build and run workflows. A workflow is represented as a DAG (a Directed Acyclic Graph), and contains individual pieces of work called Tasks, arranged with dependencies and…

Preface: Bluetooth mesh is ideal for industrial IoT use cases—especially lighting—that require the relatively low-cost and low-power scalability, reliability, and performance of Bluetooth technology. It enables many-to-many device communications and is optimized for creating large-scale device networks. Background: Bluetooth mesh networks – Communication from one node to another. Unlike traditional IP-based networks, Bluetooth Mesh uses…

Preface: The CISCO Talos article mentions a ransomware attack on their company. They mentioned in detail that on the 1st phase of attack. The attacker use Phishing to victims. When the target machine compromised. Then the attacker proceed 2nd phase. But so-called zero-day, therefore no one will know. If we could do scenario replay, maybe…

Preface: Pixel phones install downloaded Android updates in the background. The installed updates become active the next time that you restart your phone. Background: Protection of the sensitive date stored on the mobile devices is a hot topic.This is the reason why it is very important for mobile app developers to take care of it.…

Preface: Is this a possible solution? Can we disabled SMT technology as mitigating SQUIP? As far as we know, it will severely degrade the performance of AMD processors. Background: Attacker modifies system MTR registers to change the SMM memory space from uncacheable to cacheable with type Write-back. The MTRR (Memory Type Range Registers), are registers…

Preface: SAP has released its August 2022 Patch Day updates. However, you will still see items you are familiar with. What’s that? As follows!Update to Security Note released on April 2018 Patch Day:Security updates for the browser control Google Chromium delivered with SAP Business ClientProduct-SAP Business Client, Versions -6.5, 7.0, 7.70 (Hot News – CVSS…

Preface: Samsung Galaxy S22 series national version uses Qualcomm Snapdragon 8, European version uses Exynos 2200. European users will cheer as Samsung Galaxy S23 ditches Exynos chip. Background: Android 12 is the twelfth major release and 19th version of Android, the mobile operating system developed by the Open Handset Alliance led by Google.Android Q is…

Preface: The NTFS3 component is not included in the 5.15 kernel of Manjaro. The ntfs3 is a kernel module. This module will be ready for use on version 5.15.2_rt19-1.Type “modinfo ntfs3” can let you know the ntfs3 installation status. Background: The ext4 is better on Linux based systems because it is designed and built for…

Preface: In simplest terms, policies define what end-users can do on the cluster and possible ways to ensure that clusters are in compliance with organization policies.Policy-enablement empowers organizations to take control of Kubernetes operation and ensure that clusters are in compliance with organization policies. Background: The policy-controller admission controller will only validate resources in namespaces…

Preface: FRRouting is a free IP protocol suite. Many companies: ISPs, SaaS, web 2.0 businesses, hyper-scale services, and Fortune 500 private clouds — use it as a fundamental part of their networks. Background: FRRouting (FRR) is a free and open source Internet routing protocol suite for Linux and Unix platforms. It implements BGP, OSPF, RIP,…