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This article compiles practical advice from multiple Zhihu users on how operations engineers can expand their skill set beyond basic networking, security, and databases into cloud‑native, DevOps, security ops, automation, ITIL, and leadership roles, offering concrete steps for career growth after age 35.
Ansible is a popular open‑source automation platform that simplifies configuration management, deployment, and orchestration across Linux and non‑Linux hosts, offering modules, playbooks, inventories, and roles, with detailed installation steps, command usage, module examples, and best practices for efficient operations.
This tutorial walks you through the concepts of Kubernetes Operators, explains how to set up a development environment, create a simple Foo operator using Kubebuilder, explore its project structure, implement CRDs and controllers in Go, and test the operator end‑to‑end on a local cluster.
This comprehensive tutorial walks you through planning, preparing hardware, choosing deployment methods, and step‑by‑step installation of a highly available Kubernetes cluster using kubeadm and manual binary packages, covering system initialization, certificate generation, component configuration, CNI networking, and cluster verification.
This article introduces ten indispensable Linux operations tools—Shell scripting, Git, Ansible, Prometheus, Grafana, Docker, Kubernetes, Nginx, ELK Stack, and Zabbix—detailing their functions, typical use cases, advantages, and practical examples to help engineers automate and monitor infrastructure efficiently.
This article outlines the eight critical competencies—from Linux scripting to cloud‑native automation—that define the skill ladder for operations professionals and explain why mastering them is essential for career advancement and higher performance.
This article provides a collection of Bash scripts that let you retrieve detailed information about Linux processes by PID or name, query user account details, and apply a series of security‑hardening configurations to protect the system.
This tutorial walks through the fundamentals of the Linux xargs command, showing how to combine it with other tools, use various options like -d, -n, -p, -t, and integrate it with find, grep, and rm to process input efficiently and safely.
This free Jenkins collection offers beginners a comprehensive set of seven resources—including books, notes, mind maps, interview questions, and detailed guides—covering everything from basic installation to advanced CI/CD pipelines, with a full table of contents and QR code for instant download.
This article introduces a ready‑to‑use Linux batch‑operation script that enables non‑expert administrators to update, configure, and manage multiple Ubuntu 22.04 servers simultaneously—covering functions such as updating the script, creating SSL certificates, generating SSH keys, bulk password changes, and deploying or removing ALEO services—while also offering a free, comprehensive Linux command and shell‑script tutorial.
