Einrichten eines Remotedesktops mit X2Go unter Ubuntu 20.04
Der Autor hat Software in the Public Interest (SPI) dazu ausgewählt, im Rahmen des Programms Write for DOnations eine Spende zu erhalten. In der Regel verfügen…
DNS Resolution Intermittent on RHEL 8 Hosts
🟡 Medium ⏱ 5–30 min Last verified: 15 May 2021 📖 ~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 […]
How to Deploy a Zend Framework Application on Oracle Linux 8
Introduction Setting up deploy a zend framework application on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Deploy a Zend Framework Application on Oracle Linux 8, with all the commands you need, the SELinux and firewalld […]
How to Install cAdvisor for Container Monitoring on FreeBSD 12
Introduction How to Install cAdvisor for Container Monitoring 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 […]
How to Set Up a Certificate Authority with OpenSSL on FreeBSD 12
Introduction How to Set Up a Certificate Authority with OpenSSL 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, […]
How to Set Up a Static IP Address on Oracle Linux 8
Introduction This tutorial demonstrates how to Set Up a Static IP Address on Oracle Linux 8 on Oracle Linux 8. 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 8 system […]
How to Set Up SFTP Server with Chroot Jail on Debian 9
Introduction How to Set Up SFTP Server with Chroot Jail 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 […]
How to Configure SSH Key Authentication on Oracle Linux 8
Introduction This tutorial demonstrates how to Configure SSH Key Authentication on Oracle Linux 8 on Oracle Linux 8. 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 8 system with the […]
How to Configure SSL/TLS with OpenSSL on Oracle Linux 8
Introduction Setting up configure ssl/tls with openssl on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure SSL/TLS with OpenSSL on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to […]
How to Set Up a Network Bridge on SLES 15
Introduction This tutorial covers How to Set Up a Network Bridge on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: […]
