Hands‑on DevOps operations using Docker, K8s, Jenkins, and Ansible—empowering ops professionals to grow together through sharing, discussion, knowledge consolidation, and continuous improvement.
This article outlines an eight‑week curriculum covering LLM evolution, PyTorch fundamentals, CUDA training, large‑model fine‑tuning, LangChain application development, cloud‑based quantization, industry case studies, and a recruitment session, providing video resources for each topic.
This article presents a detailed curriculum covering fundamental infrastructure, cluster architecture, automation, log collection, Linux system administration, containerization, monitoring, security, and related DevOps tools across multiple phases and daily modules for comprehensive SRE training.
The article introduces go‑sniffer, a Go‑based packet sniffer that captures MySQL, Redis, and MongoDB traffic, explains how to install required dependencies and the tool itself on CentOS or Ubuntu, and provides command‑line examples for auditing and analyzing database operations.
This article explains how to quickly locate the MySQL statements that cause sudden CPU spikes by inspecting per‑thread usage with top, correlating threads to SQL via performance_schema, and using a Python script to list and optionally kill the offending queries.
This article presents a Bash script that backs up Linux system log directories, removes backups older than a configurable number of days, compresses the daily logs, and sets up a daily cron job to automate the entire process.
This guide explains how to create a shell script that checks SSL certificate expiration dates and integrates it with Zabbix by configuring a user parameter, testing the script, and setting up monitoring items, triggers, graphs, and alerts to ensure services remain available.
This article provides a complete walkthrough for installing Ansible via yum, disabling host key checking, setting up an inventory file, testing basic commands, generating SSH keys, creating a playbook to distribute keys, and verifying password‑less SSH access on remote servers.
This curriculum provides a comprehensive, step‑by‑step exploration of Kubernetes internals—including kubeadm core source, Go module management, cobra libraries, kubeadm init/join processes, client‑go components, code generators, custom resources, operators, and practical deployment automation—aimed at mastering cluster setup, configuration, and advanced development.
This article lists a comprehensive series of 46 video lectures covering essential Linux kernel concepts such as scheduling, memory management, synchronization, file systems, networking, and device drivers, providing a valuable resource for embedded and systems programmers.
This article introduces a comprehensive ClickHouse training program that covers fundamental concepts, architecture, installation, distributed cluster design, data import, performance tuning, and includes a detailed list of 33 video modules and additional recommended reading resources for large‑scale data analytics.
