🔴 Critical ⏱ 5–30 min Last verified: 12 March 2022 Affected versions: Debian 11 📖 ~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 & […]
Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying install ruby on rails on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Ruby on Rails on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]
Introduction This tutorial demonstrates how to Configure Audit Logging on CentOS Stream 9 on CentOS Stream 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 CentOS Stream 9 system with the default […]
Introduction Setting up configure harbor container registry 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 Configure Harbor Container Registry on CentOS Stream 9, with all the commands you need, the SELinux and firewalld considerations to […]
Introduction How to Configure Horizontal Pod Autoscaling on CentOS Stream 9 on CentOS Stream 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 […]
Introduction This tutorial demonstrates how to Install Packer on CentOS Stream 9 on CentOS Stream 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 CentOS Stream 9 system with the default AppStream […]
How to Configure DRBD for High-Availability Storage on RHEL 7 Distributed Replicated Block Device (DRBD) is a Linux kernel module and set of user-space utilities that provide synchronous block-level replication between two servers over a network. It is often described as a network-based RAID-1 and is widely used as the storage layer in high-availability clusters […]
Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying configure selinux boolean settings on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure SELinux Boolean Settings on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]
Introduction This tutorial demonstrates how to Set Up Zabbix on CentOS Stream 9 on CentOS Stream 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 CentOS Stream 9 system with the default […]
Rootkits are malicious software packages designed to gain persistent, hidden root-level access to a system by replacing or patching critical binaries, kernel modules, or configuration files. Two widely used open-source tools — rkhunter (Rootkit Hunter) and chkrootkit — complement each other by using different detection techniques: signature databases, hash comparisons, and behavioural checks. On RHEL […]
