Cpu Memory

How to Set Up IPsec with StrongSwan on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Set Up IPsec with StrongSwan on Oracle Linux 10

Introduction Oracle Linux 10 ships with a stable, security-hardened base that makes deploying set up ipsec with strongswan on oracle linux 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up IPsec with StrongSwan on Oracle Linux 10, including dnf module streams where applicable, systemd unit management, and the […]

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How to Set Up Drone CI on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Set Up Drone CI on Oracle Linux 10 (LINUX-10-2)

Introduction Oracle Linux 10 ships with a stable, security-hardened base that makes deploying set up drone ci on oracle linux 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Drone CI on Oracle Linux 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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How to Install Alertmanager on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Alertmanager on Debian 13

Introduction This guide explains how to Install Alertmanager on Debian 13 on Debian 13 Trixie. Debian Trixie uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 13 install with the standard repositories […]

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How to Configure mod_rewrite Rules in Apache2 on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure mod_rewrite Rules in Apache2 on Debian 13

Introduction How to Configure mod_rewrite Rules in Apache2 on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]

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How to Set Up Varnish Cache on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Set Up Varnish Cache on Oracle Linux 10

Introduction How to Set Up Varnish Cache on Oracle Linux 10 on Oracle Linux 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]

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Common Problems 119666

Debian 13 High CPU From kswapd and Memory Reclaim Thrashing

🟠 High   ⏱ 5–30 min  Last verified: 16 October 2025 Affected versions: Debian 13 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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Common Problems 111050

Windows Server 2025 Task Scheduler Jobs Missing After Daylight Saving Time Change — Fix & Prevention

🟢 Low   ⏱ 5–30 min  Last verified: 16 October 2025 Affected versions: Windows Server 2025 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution — Primary Fix Solution — Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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How to Install Java OpenJDK 21 on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Java OpenJDK 21 on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up install java openjdk 21 on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting configuration […]

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How to Install Terraform on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Install Terraform on Oracle Linux 10

Introduction Setting up install terraform on oracle linux 10 on a Oracle Linux 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install Terraform on Oracle Linux 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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How to Configure logrotate on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Configure logrotate on Oracle Linux 10 (ORACLE-LINUX-10)

Introduction How to Configure logrotate on Oracle Linux 10 on Oracle Linux 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]

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