Networking

How to Configure Kubernetes RBAC on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Kubernetes RBAC on FreeBSD 13

Introduction This guide explains how to Configure Kubernetes RBAC 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 for fine-grained privilege […]

Read more
How to Configure OpenVPN Server on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure OpenVPN Server on FreeBSD 13

Introduction How to Configure OpenVPN 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 for packet filtering, […]

Read more
Common Problems 117434

Ubuntu 20.04 LTS cloud-init Overwrites Netplan Configuration

🟡 Medium   ⏱ 5–30 min  Last verified: 15 October 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 […]

Read more
How to Install Netdata Monitoring on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Netdata Monitoring on Debian 9

Introduction This guide explains how to Install Netdata Monitoring on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the standard […]

Read more
How to Configure OpenDKIM with Postfix on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure OpenDKIM with Postfix on FreeBSD 13

Introduction How to Configure OpenDKIM with Postfix 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 packet […]

Read more
How to Manage Users and Groups on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Manage Users and Groups on Debian 9

Introduction Deploying manage users and groups on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you […]

Read more
Common Problems 115037

NFS Mount Fails at Boot with Timeout

🟡 Medium   ⏱ 5–30 min  Last verified: 13 October 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 […]

Read more
How to Configure Static IP on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Static IP on FreeBSD 13

Introduction How to Configure Static IP 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 packet filtering, […]

Read more
How to Configure NIC Teaming on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure NIC Teaming on Windows Server 2016

How to Configure Teaming Network Adapters on Windows Server 2016 Network adapter teaming, also known as NIC teaming or Load Balancing/Failover (LBFO), allows you to combine multiple physical network adapters into a single logical interface. On Windows Server 2016, NIC teaming is a built-in feature that provides increased bandwidth, redundancy, and fault tolerance. When one […]

Read more
How to Set Up Dovecot IMAP Server on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up Dovecot IMAP Server on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up dovecot imap server 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 […]

Read more
CHAT