Storage Disk

How to Take a System Snapshot with Timeshift on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Take a System Snapshot with Timeshift on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up take a system snapshot with timeshift on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the […]

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How to Set Up ZFS on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Set Up ZFS on RHEL 9

ZFS (Zettabyte File System) delivers enterprise-grade data integrity features including checksumming, copy-on-write snapshots, built-in RAID, and efficient replication — without requiring a separate volume manager. Although ZFS is not included in RHEL 9’s default kernel, the OpenZFS project provides DKMS-based packages that work reliably on RHEL 9. This tutorial covers installing OpenZFS, creating pools and […]

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How to Configure Swap Space on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure Swap Space on Debian 13

Introduction How to Configure Swap Space on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie 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 12. This […]

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How to Schedule Jobs with cron on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Schedule Jobs with cron on Debian 13

Introduction How to Schedule Jobs with cron on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie 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 12. […]

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How to Schedule Tasks with systemd Timers on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Schedule Tasks with systemd Timers on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up schedule tasks with systemd timers on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting […]

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How to Manage Services with systemd on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Manage Services with systemd on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up manage services with systemd on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting configuration […]

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How to Configure rsyslog for System Logging on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure rsyslog for System Logging on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up configure rsyslog for system logging on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting […]

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How to Enable AppArmor on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Enable AppArmor on Debian 13

Introduction This guide explains how to Enable AppArmor on Debian 13 on Debian 13 Trixie. Debian Trixie 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 13 install with the standard repositories […]

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How to Set Up UFW Firewall on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Set Up UFW Firewall on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up set up ufw firewall on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting configuration […]

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How to Harden SSH and Disable Root Login on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Harden SSH and Disable Root Login on Debian 13

Introduction How to Harden SSH and Disable Root Login on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie 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 […]

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