Cpu Memory

How to Configure Nginx as a TCP/UDP Load Balancer on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure Nginx as a TCP/UDP Load Balancer on Debian 11 (DEBIAN-11-2)

  • July 22, 2022
  • Linux
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Introduction Deploying configure nginx as a tcp/udp load balancer on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. […]

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How to Configure Virtual Memory with rmss on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Configure Virtual Memory with rmss on IBM AIX 7.3

  • July 18, 2022
  • IBM AIX
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Introduction IBM AIX 7.3 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure virtual memory with rmss on IBM AIX 7.3 […]

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How to Use svmon for Memory Analysis on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Use svmon for Memory Analysis on IBM AIX 7.3

  • July 17, 2022
  • IBM AIX
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Introduction IBM AIX 7.3 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use svmon for memory analysis on IBM AIX 7.3 […]

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How to Install and Configure Drone CI on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install and Configure Drone CI on RHEL 9

  • July 17, 2022
  • Linux
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Drone CI is an open-source, container-native continuous integration and delivery platform that runs every pipeline step inside an isolated Docker container. It integrates natively with GitHub, Gitea, GitLab, and Bitbucket, making it a lightweight alternative to Jenkins for teams already working with containers. Drone’s configuration lives in a .drone.yml file committed alongside your code, keeping […]

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How to Use IBM Performance Inspector on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Use IBM Performance Inspector on IBM AIX 7.3

  • July 16, 2022
  • IBM AIX
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Introduction IBM AIX 7.3 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use ibm performance inspector on IBM AIX 7.3 with […]

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How to Install Icinga2 on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Icinga2 on Debian 11

  • July 16, 2022
  • Linux
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Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up install icinga2 on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow each step carefully and the resulting […]

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Common Problems 116903

Ubuntu 22.04 LTS – unattended-upgrades causes sustained CPU usage – Fix & Prevention

  • July 16, 2022
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 16 July 2022 Affected versions: Ubuntu 22.04 LTS 📖 ~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 Restrict Kernel Module Loading on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Restrict Kernel Module Loading on Debian 11

  • July 12, 2022
  • Linux
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Introduction Deploying restrict kernel module loading on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you […]

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How to Set Up eBPF-Based Security Monitoring on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up eBPF-Based Security Monitoring on Debian 11

  • July 11, 2022
  • Linux
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Introduction This guide explains how to Set Up eBPF-Based Security Monitoring on Debian 11 on Debian 11 Bullseye. Debian Bullseye 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 11 install with […]

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How to Configure SaltStack on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure SaltStack on Debian 11

  • July 10, 2022
  • Linux
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Introduction Deploying configure saltstack on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, ensure […]

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