Cpu Memory

Common Problems 118017

Ubuntu 18.04 OOM Killer Terminates Database Service

🟡 Medium   ⏱ 5–30 min  Last verified: 21 October 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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How to Install and Configure SonarQube on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure SonarQube on RHEL 8

SonarQube is an open-source static analysis platform that inspects code quality, detects bugs, security vulnerabilities, and code smells across more than thirty programming languages. On RHEL 8, SonarQube requires a Java 17 runtime, a PostgreSQL database for persistent storage, and several Linux kernel tuning parameters to run reliably. This tutorial guides you through every installation […]

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How to Set Up OpenMPI on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Set Up OpenMPI on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up openmpi on ibm aix 7.2 on IBM […]

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How to Configure SSL/TLS with OpenSSL on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure SSL/TLS with OpenSSL on FreeBSD 12

Introduction This guide explains how to Configure SSL/TLS with OpenSSL on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained […]

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How to Set Up Hyper-V on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Set Up Hyper-V on Windows Server 2016

How to Set Up Windows Server 2016 Hyper-V Hyper-V is Microsoft’s native hypervisor, built into Windows Server 2016. It allows you to create and manage virtual machines (VMs), enabling server consolidation, test environments, and high availability scenarios. Windows Server 2016 Hyper-V includes enhancements such as Shielded VMs, Host Guardian Service, nested virtualization, and improved Linux […]

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How to Set Up Remote Desktop Session Host on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Set Up Remote Desktop Session Host on Windows Server 2016

How to Set Up Windows Server 2016 Remote Desktop Session Host Remote Desktop Session Host (RDSH) is a role service within Remote Desktop Services (RDS) that allows multiple users to simultaneously connect to a single Windows Server 2016 server and run applications or full desktops in an isolated session. It is the foundation of traditional […]

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How to Install phpMyAdmin on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install phpMyAdmin on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install phpmyadmin on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. This […]

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How to Install and Configure Julia on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install and Configure Julia on Debian 9

Introduction How to Install and Configure Julia 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 Set Up Windows Server 2019 with Salt — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server 2019 with Salt

How to Set Up Windows Server 2019 with Salt SaltStack (Salt) is a powerful configuration management and remote execution tool that supports Windows Server 2019 as a first-class managed platform. Salt uses a master/minion architecture where a Salt Master server manages Salt Minions installed on client machines. Salt states (written in YAML with Jinja2 templating) […]

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How to Configure SMB Direct (RDMA) on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure SMB Direct (RDMA) on Windows Server 2016

How to Configure Windows Server 2016 SMB Direct SMB Direct is a feature of the Server Message Block (SMB) protocol that takes advantage of network adapters with Remote Direct Memory Access (RDMA) capabilities. RDMA allows data to be transferred directly between the memory of two computers over a network without involving the CPU, resulting in […]

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