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Latest from Open Source Linux

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Open Source Linux

Apr 8, 2025 · Artificial Intelligence

A Turing‑Award Legend on AI, Parallel Computing, and Learning's Future

In this candid interview, 83‑year‑old Turing‑Award winner Jeffrey Ullman reflects on his decades‑long impact on compilers, databases, and algorithms, discusses the unpredictable nature of technological revolutions, explores the rise of large language models, parallel computing, prompt engineering, and the challenges of adapting education and software engineering to rapid AI‑driven change.

Artificial IntelligenceEducation TechnologyParallel Computing

0 likes · 23 min read

A Turing‑Award Legend on AI, Parallel Computing, and Learning's Future

Open Source Linux

Apr 8, 2025 · Operations

How to Set Linux Timezone to CST (Asia/Shanghai) Using timedatectl and Manual Methods

This guide explains three ways to change a Linux system's timezone to China Standard Time (CST, GMT+8) – using the timedatectl command, manually linking /etc/localtime, and setting the TZ environment variable for temporary adjustments.

Asia/ShanghaiCSTSystem Administration

0 likes · 4 min read

How to Set Linux Timezone to CST (Asia/Shanghai) Using timedatectl and Manual Methods

Open Source Linux

Apr 3, 2025 · Operations

Understanding Linux Boot Process: From BIOS to Systemd

This article explains the Linux boot sequence, covering the BIOS/UEFI hardware check, GRUB2 bootloader configuration, kernel loading with initramfs, root filesystem mounting, systemd target units, essential services, and a CentOS 8 example with GRUB settings and module inspection.

Boot ProcessCentOSKernel

0 likes · 8 min read

Understanding Linux Boot Process: From BIOS to Systemd

Open Source Linux

Apr 3, 2025 · Information Security

What Oracle’s Massive Cloud Data Breach Reveals About Cloud Security Risks

Oracle’s recent cloud security breach, allegedly exposing six million records from dozens of customers worldwide, has sparked FBI investigations, a class‑action lawsuit, and revelations about outdated middleware and evidence‑tampering, highlighting critical risks in cloud infrastructure and the need for stronger data protection.

Information SecurityOracleclass action lawsuit

0 likes · 9 min read

What Oracle’s Massive Cloud Data Breach Reveals About Cloud Security Risks

Open Source Linux

Mar 27, 2025 · Operations

10 Critical Server Ops Mistakes to Avoid: Real-World Lessons

This article outlines ten critical server operation mistakes—ranging from forced power cuts to neglecting updates—illustrated with real-world incidents and practical advice, helping engineers adopt safer practices, proper backups, secure configurations, and effective monitoring to prevent costly outages.

best practicesincident managementserver operations

0 likes · 6 min read

10 Critical Server Ops Mistakes to Avoid: Real-World Lessons

Open Source Linux

Mar 20, 2025 · Backend Development

Mastering log.c: A Lightweight C99 Logging Library for Embedded Systems

This article introduces log.c, a compact C99 logging library suitable for any platform—including embedded systems—covers its key features, demonstrates usage with code examples, and explains how to configure log levels, file output, callbacks, multithreading, and colored output.

CC99embedded

0 likes · 6 min read

Mastering log.c: A Lightweight C99 Logging Library for Embedded Systems

Open Source Linux

Mar 20, 2025 · Information Security

30 High‑Risk Ports to Secure and How to Safely Close Them

This guide lists thirty commonly exposed high‑risk ports, explains the security threats each poses, and provides practical firewall, service‑management, and closure steps to help you harden your systems against attacks.

Port scanningSystem Hardeninghigh-risk ports

0 likes · 7 min read

30 High‑Risk Ports to Secure and How to Safely Close Them

Open Source Linux

Mar 17, 2025 · Operations

Boost Linux Server Performance: Essential Kernel and Sysctl Tweaks

Learn how to permanently disable SELinux, set runlevel to 3, increase file descriptor limits, fine-tune kernel network parameters via /etc/sysctl.conf, configure firewall settings, and address common Linux performance issues such as too many open files and TIME_WAIT overloads.

Kernel ParametersLinuxPerformance Tuning

0 likes · 8 min read

Boost Linux Server Performance: Essential Kernel and Sysctl Tweaks

Open Source Linux

Mar 14, 2025 · Fundamentals

Mastering SNAT and DNAT: How to Configure Source and Destination NAT with iptables

This article explains the concepts, mechanisms, and primary uses of SNAT and DNAT in network address translation, and provides step‑by‑step iptables commands and example scenarios for implementing source and destination NAT in Linux environments.

DNATLinux NetworkingNAT

0 likes · 8 min read

Mastering SNAT and DNAT: How to Configure Source and Destination NAT with iptables

Open Source Linux

Mar 14, 2025 · Operations

Essential Linux Command-Line Tools Every Sysadmin Should Master

This guide compiles the most powerful and commonly used Linux command-line utilities across system monitoring, networking, file management, text processing, package handling, development, security, and optional graphical tools, offering concise descriptions and practical usage tips to boost efficiency.

Toolsshell

0 likes · 9 min read

Essential Linux Command-Line Tools Every Sysadmin Should Master