Cpu Memory

How to Configure System Center Operations Manager on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure System Center Operations Manager on Windows Server 2016

How to Set Up Windows Server 2016 Operations Manager System Center Operations Manager (SCOM) is Microsoft’s enterprise monitoring platform for Windows Server, Linux, network devices, and applications. SCOM uses management packs containing pre-built knowledge about specific technologies to automatically discover components, apply monitoring rules, generate alerts, and produce performance data. Deployed on Windows Server 2016, […]

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How to Restrict Kernel Module Loading on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Restrict Kernel Module Loading on Debian 9

  • August 26, 2019
  • Linux
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Introduction How to Restrict Kernel Module Loading on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch 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 9. […]

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How to Configure Blacklistd on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure Blacklistd on FreeBSD 12

  • August 25, 2019
  • FreeBSD
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Introduction How to Configure Blacklistd on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, and […]

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How to Install Gradle Build Tool on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Gradle Build Tool on Debian 9

  • August 24, 2019
  • Linux
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Introduction This guide explains how to Install Gradle Build Tool on Debian 9 on Debian 9 Stretch. Debian Stretch 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 9 install with the […]

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How to Back Up PostgreSQL with pg_dump on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Back Up PostgreSQL with pg_dump on FreeBSD 12

  • August 23, 2019
  • FreeBSD
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Introduction How to Back Up PostgreSQL with pg_dump on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for […]

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How to Enable Automatic Security Updates on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Enable Automatic Security Updates on FreeBSD 12

  • August 23, 2019
  • FreeBSD
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Introduction How to Enable Automatic Security Updates on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet […]

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How to Configure pf Firewall Rules on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure pf Firewall Rules on FreeBSD 12

  • August 21, 2019
  • FreeBSD
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Introduction How to Configure pf Firewall Rules on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet […]

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How to Install Go on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Go on Debian 9 (DEBIAN-9-2)

  • August 21, 2019
  • Linux
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Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up install go on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and the resulting […]

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How to Set Up Hyper-V Discrete Device Assignment on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Hyper-V Discrete Device Assignment on Windows Server 2019

How to Set Up Hyper-V Discrete Device Assignment on Windows Server 2019 Hyper-V Discrete Device Assignment (DDA) allows a physical PCIe device — typically a GPU, NVMe SSD, or specialised accelerator card — to be directly assigned to a virtual machine, bypassing the Hyper-V virtualisation layer entirely. The VM gains native, low-latency access to the […]

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Common Problems 118587

Ubuntu 16.04 LTS severe swap thrashing and performance collapse

  • August 19, 2019
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 19 August 2019 📖 ~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 & Cross-Refs References & Further […]

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