Introduction This guide explains how to Install and Configure ISC DHCP Server on FreeBSD 13 on FreeBSD 13. 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 […]
In 2025–2026, securely transferring files to and from remote servers remains essential for developers, sysadmins, and DevOps teams. Legacy FTP is insecure and widely deprecated due to plain-text credentials and data. SFTP (Secure File Transfer Protocol) — built into SSH — provides encrypted, reliable file transfers and is the modern standard replacement.
Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure dnsmasq on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. This […]
How to Use Ansible WinRM to Manage Windows Server 2025 Ansible’s WinRM transport is the bridge between your Linux-based Ansible control node and Windows managed hosts. While the previous guide introduced WinRM basics with NTLM authentication, production environments often demand stronger security guarantees: encrypted credential delegation through CredSSP, Kerberos single sign-on in Active Directory domains, […]
In 2025-2026, understanding how to open a port on Linux is essential for running services like web servers, databases, or custom apps. Ports act as communication endpoints: well-known ports (0-1023) are reserved for standard services (e.g., SSH 22, HTTP 80, HTTPS 443), while higher ports (1024+) suit user-defined applications.
Introduction How to Set Up Unbound DNS Resolver on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 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 Install Ansible and Manage Windows Servers with Ansible on Windows Server 2025 Ansible is an agentless automation platform that manages remote systems by pushing configuration over existing protocols. On Linux targets Ansible uses SSH; on Windows targets it uses WinRM (Windows Remote Management), the native Windows remoting protocol. This means Windows Server 2025 […]
Introduction How to Install and Configure BIND9 DNS Server on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 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 […]
In 2025, installing Java on Ubuntu remains essential for running applications like Tomcat, Jetty, Glassfish, Cassandra, and Jenkins. The Java Virtual Machine (JVM) powers these tools, and Ubuntu’s apt makes setup straightforward for both Java Runtime Environment (JRE) and Java Development Kit (JDK). This step-by-step how to install Java on Ubuntu guide covers OpenJDK (default, open-source) and Oracle JDK installations, managing multiple versions, setting JAVA_HOME, troubleshooting, and best practices. Whether you’re a developer or sysadmin, follow these instructions for a seamless setup on Ubuntu 22.04+.
How to Configure a GitHub Actions Self-Hosted Runner on Windows Server 2025 GitHub Actions self-hosted runners let you execute workflow jobs on your own infrastructure instead of GitHub’s cloud-hosted runners. For teams building Windows applications, running integration tests against local databases, or working in air-gapped environments, a self-hosted runner on Windows Server 2025 is the […]
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