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This article walks you through a systematic approach to identify the root cause of a Linux server's CPU hitting 100%, from pinpointing the high‑load process with top, tracing the responsible business code, to using a custom shell script that streamlines thread analysis and resolves the overload.
This article presents a curated collection of Bash scripts that automate key Linux operations such as MySQL replication monitoring, directory change detection, bulk user creation, website health checks, remote command execution, one‑click LNMP deployment, resource usage reporting, high‑resource process identification, and automated Java and PHP project deployment.
This guide walks you through installing Steam, fixing NVIDIA driver issues, and configuring Proton on deepin 23 so you can enjoy the epic Chinese‑culture‑rich game Black Myth: Wukong with optimal performance.
This article compiles the latest 2024 IT operations interview collection, offering over 400 questions—including 108 shell script, 128 Kubernetes, 51 Docker, and 88 Jenkins queries—to help professionals bridge knowledge gaps and ace promotions, job changes, and technical interviews.
This guide reviews ten indispensable tools for operations engineers, outlining each tool's core functions, typical use cases, key advantages, and real‑world examples, while providing practical code snippets and configuration tips to boost automation and monitoring efficiency.
This comprehensive guide walks you through the fundamentals of Linux shell scripting, covering why it matters, essential prerequisites, variable handling, string manipulation, arithmetic operations, condition testing, control structures like if/else, for/while loops, functions, case statements, and array usage, all with clear examples and practical code snippets.
This guide walks through practical Linux security hardening on RHEL7, covering account control, password policies, SELinux configuration, SSH restrictions, firewall rules, file attribute protections, and other measures to elevate the system to a B1 security level.
This guide explains how to set up both permanent and temporary IP addresses on Linux servers, covering configuration file edits, command-line tools like ifconfig, route, and ethtool, and includes step‑by‑step examples for SuSE environments.
This article provides a thorough walkthrough of OpenSSL, covering cryptographic standards, symmetric and asymmetric encryption commands, message digests, certificate creation and management, as well as useful utilities like random number generation and password hashing, all illustrated with practical command‑line examples.
This comprehensive guide lists 150 indispensable Linux commands covering file management, system monitoring, networking, user administration, process control, and more, providing clear explanations to help both beginners and experienced administrators efficiently manage Linux environments.
