Introduction How to Configure Network Bridging on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye 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 11. This […]
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 guide explains how to Set Up NFS Server and Client 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 […]
🔴 Critical ⏱ 15–90 min Last verified: 8 March 2022 Affected versions: SLES 12 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2022:2052-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-30790 CVE-2022-34835 CVE-2022-30552 CVE-2020-8432 CVE-2022-30767 CVE-2019-13103 CVE-2019-14192 CVE-2019-14193 +12 more Upstream summary: Das U-Boot 2022.01 has a Buffer Overflow, a different issue than CVE-2022-30552. Table […]
Apache HTTP Server (httpd) is one of the most widely deployed web servers in the world and is fully supported on RHEL 8 through the AppStream repository. After installing the httpd package, you will configure the firewall, review the main configuration file, and serve content from a custom document root. This tutorial covers everything you […]
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 […]
Introduction How to Manage Users and Groups on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye 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 11. […]
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 Debian 11 Bullseye is built around the ethos of stability and free software. Setting up install nginx 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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