DNS

How to Set the Hostname and FQDN on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set the Hostname and FQDN on Debian 12

Introduction How to Set the Hostname and FQDN on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm 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 from Debian […]

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How to Set Up ModSecurity WAF with Apache on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Set Up ModSecurity WAF with Apache on FreeBSD 14

Introduction FreeBSD 14 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up modsecurity waf with apache on freebsd 14 on FreeBSD 14 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from […]

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How to Install MySQL 8 on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install MySQL 8 on Debian 12

Introduction Deploying install mysql 8 on debian 12 on a Debian 12 Bookworm 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 Ensure Debian 12 […]

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How to Set Up Cron Jobs and Scheduled Tasks on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up Cron Jobs and Scheduled Tasks on Debian 12

Introduction How to Set Up Cron Jobs and Scheduled Tasks on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm 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 […]

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How to Set Up Dovecot IMAP Server on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Set Up Dovecot IMAP Server on FreeBSD 14

Introduction How to Set Up Dovecot IMAP Server on FreeBSD 14 is a core administration task for any FreeBSD 14 server operator. FreeBSD 14 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 […]

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How to Configure Redis Cluster and Sentinel on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Redis Cluster and Sentinel on RHEL 9

A single Redis instance has two failure modes: if the server goes down, all cached data is lost and every request hits the origin database; and if the dataset grows beyond a single server’s RAM, there’s no built-in way to distribute it. Redis provides two solutions: Redis Sentinel for high availability (automatic failover with a […]

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How to Install Docker Compose on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Install Docker Compose on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying install docker compose on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Docker Compose on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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How to Deploy an Application to Kubernetes on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Deploy an Application to Kubernetes on FreeBSD 14

Introduction FreeBSD 14 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up deploy an application to kubernetes on freebsd 14 on FreeBSD 14 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 […]

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How to Set Up borgbackup on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up borgbackup on Debian 12

Introduction This guide explains how to Set Up borgbackup on Debian 12 on Debian 12 Bookworm. Debian Bookworm 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 12 install with the standard […]

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How to Install Containerd as a Container Runtime on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Containerd as a Container Runtime on Debian 12

Introduction Deploying install containerd as a container runtime on debian 12 on a Debian 12 Bookworm 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 […]

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