Firewall

How to Install Apache on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Install Apache on SLES 15

Introduction This tutorial covers How to Install Apache 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. Step 1 — Install Apache zypper install -y apache2 Step 2 — Enable […]

Read more
How to Set Up Uptime Kuma Monitoring on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Uptime Kuma Monitoring on Debian 9

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 […]

Read more
How to Set Up a PXE Boot Server on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up a PXE Boot Server on RHEL 7

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 […]

Read more
How to Migrate from AIX 7.1 to AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Migrate from AIX 7.1 to AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to migrate from aix 7.1 to aix 7.1 on IBM […]

Read more
How to Use IBM Cloud CLI with PowerVS on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use IBM Cloud CLI with PowerVS on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use ibm cloud cli with powervs on ibm aix […]

Read more
How to Install and Configure OpenLiteSpeed Web Server on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Configure OpenLiteSpeed Web Server on RHEL 7

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 […]

Read more
How to Harden PHP on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Harden PHP on FreeBSD 12

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 + […]

Read more
How to Install CouchDB on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install CouchDB on FreeBSD 12

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 […]

Read more
Auflisten und Löschen von iptables-Firewall-Regeln — step-by-step Security tutorial on Progressive Robot

Auflisten und Löschen von iptables-Firewall-Regeln

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.

Read more
How to Configure Redis Cluster and Sentinel on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Redis Cluster and Sentinel on RHEL 7

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 […]

Read more
CHAT