Tutorials

How to Install Helm Package Manager for Kubernetes on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install Helm Package Manager for Kubernetes on FreeBSD 15

Introduction How to Install Helm Package Manager for Kubernetes on FreeBSD 15 is a core administration task for any FreeBSD 15 server operator. FreeBSD 15 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 […]

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How to Install HashiCorp Vault for Secrets Management on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install HashiCorp Vault for Secrets Management on RHEL 7

How to Install HashiCorp Vault for Secrets Management on RHEL 7 HashiCorp Vault is an open-source tool for securely storing and tightly controlling access to tokens, passwords, certificates, API keys, and other secrets throughout the software lifecycle. Unlike storing secrets in configuration files or environment variables, Vault provides a central, audited, and access-controlled secrets store […]

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How to Install and Configure k3s on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install and Configure k3s on FreeBSD 15

Introduction This guide explains how to Install and Configure k3s on FreeBSD 15 on FreeBSD 15. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained […]

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How to Configure Suricata IDS/IPS on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Suricata IDS/IPS on RHEL 7

How to Configure Suricata IDS/IPS on RHEL 7 Suricata is a high-performance, open-source network threat detection engine maintained by the Open Information Security Foundation (OISF). It can operate as an Intrusion Detection System (IDS), passively monitoring traffic and alerting on suspicious patterns, or as an Intrusion Prevention System (IPS), actively blocking malicious connections using the […]

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How to Set Up Docker Swarm Cluster on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Set Up Docker Swarm Cluster on FreeBSD 15

Introduction Deploying set up docker swarm cluster on a FreeBSD 15 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 + […]

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How to Configure Docker Overlay Networking on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure Docker Overlay Networking on FreeBSD 15

Introduction How to Configure Docker Overlay Networking on FreeBSD 15 is a core administration task for any FreeBSD 15 server operator. FreeBSD 15 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 […]

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How to Set Up Port Knocking for SSH on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up Port Knocking for SSH on RHEL 7

How to Set Up Port Knocking for SSH on RHEL 7 Port knocking is a stealthy technique for controlling access to network services by requiring a client to send connection attempts to a predefined sequence of closed ports before a firewall rule opens the target port. When applied to SSH, it effectively hides port 22 […]

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How to Set Up a Private Docker Registry on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Set Up a Private Docker Registry on FreeBSD 15

Introduction Deploying set up a private docker registry on a FreeBSD 15 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 […]

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How to Harden the Linux Kernel with sysctl on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Harden the Linux Kernel with sysctl on RHEL 7

How to Harden the Linux Kernel with sysctl on RHEL 7 The Linux kernel exposes hundreds of tunable parameters through the /proc/sys/ virtual filesystem, and the sysctl utility provides a clean interface for reading and setting those values at runtime and persistently across reboots. Many of these parameters have direct security implications: they control whether […]

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How to Install Docker Compose on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install Docker Compose on FreeBSD 15

Introduction Deploying install docker compose on a FreeBSD 15 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 + ports approach […]

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