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Cilantro Loves Linux
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Cilantro Loves Linux

Focused on Linux system operations and maintenance technology exchange, regularly publishing in-depth technical articles covering core areas such as system architecture, performance optimization, and security hardening. Whether you are a beginner or a seasoned expert, you can find valuable resources to enhance your skills and solve problems here. Follow us to explore the mysteries of Linux operations!

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Recent Articles

Latest from Cilantro Loves Linux

36 recent articles
Cilantro Loves Linux
Cilantro Loves Linux
Sep 27, 2025 · Operations

Kubernetes Cluster Backup: Complete etcd & Config Protection with Scripts & Recovery Drills

This production-grade guide covers full and incremental etcd backup strategies for embedded and external clusters, component configuration backup with node-specific handling, AES-256 encryption via Vault, offsite storage to OSS/S3 using IAM roles, systemd timer automation, Prometheus monitoring rules, and step-by-step control plane disaster recovery procedures with verification checks.

AnsibleKubernetesVault
0 likes · 18 min read
Kubernetes Cluster Backup: Complete etcd & Config Protection with Scripts & Recovery Drills
Cilantro Loves Linux
Cilantro Loves Linux
Sep 26, 2025 · Databases

PostgreSQL 18 Released: 5 Key Innovations for Performance, Upgrades & Developer Productivity

PostgreSQL 18 introduces major improvements including asynchronous I/O for up to 3x scan performance, pg_upgrade preserving statistics and --swap for minute-level upgrades, virtual generated columns, UUIDv7, temporal constraints, enhanced observability, OAuth 2.0 authentication, and parallel logical replication, reducing operational overhead and boosting developer productivity.

ObservabilityPostgreSQL 18UUIDv7
0 likes · 12 min read
PostgreSQL 18 Released: 5 Key Innovations for Performance, Upgrades & Developer Productivity
Cilantro Loves Linux
Cilantro Loves Linux
Sep 26, 2025 · Operations

Automating K8s Certificate Lifecycle: Issuance, Rotation & Expiry Alerts (2025)

This guide details end-to-end automation of Kubernetes certificate management using cert-manager v1.18+, kubeadm v1.30+, and Prometheus monitoring stack, covering automated issuance for internal and external services, control-plane and application-layer rotation strategies, and multi-level expiry alerting with Alertmanager and Grafana dashboards.

0 likes · 14 min read
Automating K8s Certificate Lifecycle: Issuance, Rotation & Expiry Alerts (2025)
Cilantro Loves Linux
Cilantro Loves Linux
Sep 21, 2025 · Databases

Redis 8.2.1 on CentOS 8: Source Install, Config Hardening & Common Fixes

This guide walks through installing Redis 8.2.1 on CentOS 8 from source code, covering dependency setup, compilation, configuration hardening (bind, daemonize, protected-mode, password), directory permissions, service verification, systemd integration, and troubleshooting common issues like jemalloc errors, firewall blocks, systemd failures, and memory overcommit warnings.

CentOS 8LinuxRedis
0 likes · 12 min read
Redis 8.2.1 on CentOS 8: Source Install, Config Hardening & Common Fixes
Cilantro Loves Linux
Cilantro Loves Linux
Sep 20, 2025 · Databases

Why Redis Dominates NoSQL: Breaking Relational DB Bottlenecks & 6 Core Ops Scenarios

This article analyzes three core bottlenecks of traditional relational databases — limited concurrency, massive data storage limits, and complex horizontal scaling — and explains how NoSQL, particularly Redis, addresses them through distributed architecture, flexible data models, and in-memory performance, detailing six key operational use cases including caching, distributed locks, counters, session storage, message queues, and leaderboards.

CachingDatabaseDistributed Lock
0 likes · 11 min read
Why Redis Dominates NoSQL: Breaking Relational DB Bottlenecks & 6 Core Ops Scenarios
Cilantro Loves Linux
Cilantro Loves Linux
Sep 12, 2025 · Operations

Auto-Start Harbor on Boot: Systemd Setup for Docker Compose Deployments

The article explains why Harbor containers fail to start automatically after a server reboot, demonstrates the failure with a reboot test, and provides a complete systemd-based solution including Docker service enablement, custom start/stop scripts, and a systemd unit file to ensure Harbor services launch on boot.

CentOSDevOpsHarbor
0 likes · 6 min read
Auto-Start Harbor on Boot: Systemd Setup for Docker Compose Deployments