Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up set up uptime kuma monitoring on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully […]
How to Configure Remote Desktop Web Access on Windows Server 2019 Remote Desktop Web Access (RD Web Access) provides a web portal through which users can access RemoteApp programs and session desktops without installing any software other than a web browser or the Remote Desktop client. Users navigate to an HTTPS URL, authenticate with their […]
How to Set Up a PXE Boot Server on RHEL 7 Provisioning bare-metal servers or virtual machines one by one from USB media does not scale. A PXE (Preboot Execution Environment) boot server lets a machine boot directly from the network, pull a kernel and RAM disk from a TFTP server, and optionally complete an […]
How to Install and Configure OpenLiteSpeed Web Server on RHEL 7 OpenLiteSpeed is the open-source edition of LiteSpeed Web Server, one of the fastest web servers available for Linux. It is event-driven, capable of handling tens of thousands of concurrent connections with minimal memory, and includes native support for PHP via LSAPI — an interface […]
Linux Unified Key Setup (LUKS) is the standard disk encryption layer on RHEL 8, built on the dm-crypt kernel module and managed through the cryptsetup utility. Encrypting partitions with LUKS ensures that data is unreadable without the correct passphrase or key file, even if physical media is stolen or a drive is decommissioned without secure […]
Introduction Deploying harden php on freebsd 12 on a FreeBSD 12 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base + […]
Introduction How to Install CouchDB on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, and […]
Iptables ist eine Firewall-Technologie, die in vielen Linux-Systemen eine wesentliche Rolle bei der Netzwerksicherheit spielt. In diesem Tutorial erläutern wir die Verwendung der folgenden iptables-Aufgaben: Regeln auflisten, Paket- und Byte-Zähler löschen, Regeln löschen, Ketten leeren (alle Regeln in einer Kette löschen) und iptables-Firewall vollständig zurücksetzen.
How to Configure Redis Cluster and Sentinel on RHEL 7 Redis is an in-memory data structure store used as a database, cache, and message broker. For production environments requiring high availability and horizontal scalability, Redis offers two complementary mechanisms: Redis Cluster for automatic data sharding across multiple nodes, and Redis Sentinel for automatic failover of […]
🟡 Medium ⏱ 5–30 min Last verified: 30 November 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 […]
