DevOps Operations Practice
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DevOps Operations Practice

We share professional insights on cloud-native, DevOps & operations, Kubernetes, observability & monitoring, and Linux systems.

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DevOps Operations Practice
DevOps Operations Practice
Sep 26, 2024 · Operations

How to Install Docker on Ubuntu 24.04

This guide walks you through updating Ubuntu 24.04, adding Docker's repository, installing the Docker engine, starting and enabling the service, verifying the installation, adding your user to the Docker group, and running basic Docker commands, all with exact terminal commands.

LinuxUbuntu
0 likes · 5 min read
How to Install Docker on Ubuntu 24.04
DevOps Operations Practice
DevOps Operations Practice
Sep 25, 2024 · Operations

Prometheus 3.0‑beta Released: New UI, Remote Write 2.0, OpenTelemetry Support, and Other Major Changes

Prometheus 3.0‑beta introduces a completely redesigned UI, Remote Write 2.0 with native support for metadata and histograms, built‑in OpenTelemetry metrics handling, UTF‑8 label support, native histograms, and several feature‑flag removals, while encouraging community testing before production use.

BetaReleaseOpenTelemetryPrometheus
0 likes · 6 min read
Prometheus 3.0‑beta Released: New UI, Remote Write 2.0, OpenTelemetry Support, and Other Major Changes
DevOps Operations Practice
DevOps Operations Practice
Sep 24, 2024 · Cloud Native

How to Install MiniKube on RHEL 8

This guide provides a step‑by‑step tutorial for installing MiniKube on RHEL 8, covering system updates, required dependencies, Docker and kubectl installation, MiniKube binary setup, cluster startup, verification, and optional add‑ons, ensuring a functional local Kubernetes environment.

DockerInstallationKubernetes
0 likes · 6 min read
How to Install MiniKube on RHEL 8
DevOps Operations Practice
DevOps Operations Practice
Sep 23, 2024 · Operations

Root Cause Analysis and Optimization of High Load on Alibaba Cloud RocketMQ Consumer Service

The article investigates why a RocketMQ consumer service running on a 4‑core ECS experiences sustained high load despite low CPU, I/O and memory usage, identifies excessive thread creation and frequent trace‑module context switches as the main causes, and proposes configuration and SDK upgrades to resolve the issue.

JavaPerformance TuningRocketMQ
0 likes · 9 min read
Root Cause Analysis and Optimization of High Load on Alibaba Cloud RocketMQ Consumer Service
DevOps Operations Practice
DevOps Operations Practice
Sep 22, 2024 · Fundamentals

Top 5 Most Stable Linux Distributions and Their Key Features

This article introduces the five most stable Linux distributions—Debian, Linux Mint, Ubuntu, Slackware, and OpenSUSE—highlighting their support, repository richness, regular updates, ease of use, and distinctive features for users seeking reliable operating systems.

DebianStable DistributionopenSUSE
0 likes · 4 min read
Top 5 Most Stable Linux Distributions and Their Key Features
DevOps Operations Practice
DevOps Operations Practice
Sep 22, 2024 · Information Security

How to Disable a User Account on Linux

This step‑by‑step guide explains how to safely disable a Linux user account by opening a terminal, checking the account status, locking the login with usermod, verifying the lock, and optionally re‑enabling the account, all using simple command‑line instructions.

LinuxUser Managementaccount-disable
0 likes · 3 min read
How to Disable a User Account on Linux
DevOps Operations Practice
DevOps Operations Practice
Sep 17, 2024 · Operations

Comparison of ELK, EFK, and PLG Log Systems

This article introduces three major log management stacks—ELK, EFK, and PLG (Promtail + Loki + Grafana)—explaining their components, deployment scenarios, and provides a detailed comparison of their storage, indexing, and visualization approaches, especially in Kubernetes environments.

EFKELKGrafana
0 likes · 5 min read
Comparison of ELK, EFK, and PLG Log Systems