Cpu Memory

How to Configure IPv6 on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure IPv6 on Oracle Linux 9

Introduction This tutorial demonstrates how to Configure IPv6 on Oracle Linux 9 on Oracle Linux 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 9 system with the default AppStream […]

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How to Configure Docker Resource Limits with cgroups on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Docker Resource Limits with cgroups on Debian 12

Introduction Deploying configure docker resource limits with cgroups on debian 12 on a Debian 12 Bookworm 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 […]

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How to Mount NFS Shares at Boot on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Mount NFS Shares at Boot on Debian 12

Introduction This guide explains how to Mount NFS Shares at Boot on Debian 12 on Debian 12 Bookworm. Debian Bookworm 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 12 install with […]

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How to Set Up iSCSI Initiator on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up iSCSI Initiator on CentOS Stream 9

Introduction Setting up set up iscsi initiator on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up iSCSI Initiator on CentOS Stream 9, with all the commands you need, the SELinux and firewalld considerations to […]

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How to Configure MySQL Group Replication on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure MySQL Group Replication on Oracle Linux 9

Introduction How to Configure MySQL Group Replication on Oracle Linux 9 on Oracle Linux 9 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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How to Set Up a CentOS Stream 9 Template in VMware — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up a CentOS Stream 9 Template in VMware

Introduction Setting up set up a centos stream 9 template in vmware on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up a CentOS Stream 9 Template in VMware, with all the commands you need, the SELinux and firewalld […]

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How to Manage Packages with DNF on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Manage Packages with DNF on Oracle Linux 9

Introduction Setting up manage packages with dnf on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Manage Packages with DNF on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to […]

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How to Perform a CIS Benchmark Audit on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Perform a CIS Benchmark Audit on CentOS Stream 9

Introduction Setting up perform a cis benchmark audit on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Perform a CIS Benchmark Audit on CentOS Stream 9, with all the commands you need, the SELinux and firewalld […]

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Common Problems 117457

Ubuntu 20.04 GNOME Shell High CPU Usage

🟡 Medium   ⏱ 5–30 min  Last verified: 13 August 2023 📖 ~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 Set Up VLANs on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up VLANs on Oracle Linux 9

Introduction Setting up set up vlans on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up VLANs on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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