Networking

How to Install Helm on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Helm on Debian 13

Introduction How to Install Helm 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 tutorial […]

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How to Install and Configure Envoy Proxy on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install and Configure Envoy Proxy on RHEL 9

Envoy is a high-performance, cloud-native L4/L7 proxy designed for service mesh architectures and API gateway deployments. Originally built by Lyft, it is the data plane of Istio and is used by organisations running microservices on Kubernetes and bare metal alike. Unlike Nginx or HAProxy, Envoy is designed to run as a sidecar alongside each service, […]

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How to Install kubectl on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install kubectl on Debian 13

Introduction Deploying install kubectl on a Debian 13 Trixie 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 You will need a registered Debian 13 […]

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How to Configure SNMP with net-snmp on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure SNMP with net-snmp on RHEL 9

SNMP (Simple Network Management Protocol) remains a widely used protocol for monitoring network devices, servers, and applications in enterprise environments. While SNMPv1 and SNMPv2c rely on unencrypted community strings, SNMPv3 introduces authentication and encryption, making it suitable for security-conscious deployments. This tutorial covers installing and configuring net-snmp on RHEL 9 with SNMPv3, extending the agent […]

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How to Install K3s on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install K3s on Debian 13

Introduction How to Install K3s 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 tutorial […]

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How to Set Up a PXE Boot Server on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Set Up a PXE Boot Server on RHEL 9

PXE (Preboot Execution Environment) booting allows machines to boot from the network and install an operating system without a physical installation medium. This is invaluable for data centres and labs where provisioning dozens or hundreds of machines manually is impractical. On RHEL 9, you can build a complete PXE infrastructure using TFTP for boot file […]

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How to Install Kubernetes with kubeadm on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Kubernetes with kubeadm on Debian 13

Introduction How to Install Kubernetes with kubeadm 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 Configure Chrony as a Time Server on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Chrony as a Time Server on RHEL 9

Accurate timekeeping is critical in enterprise Linux environments. Kerberos authentication, TLS certificate validation, log correlation, and distributed system coordination all depend on clocks being tightly synchronised across hosts. On RHEL 9, Chrony is the default NTP implementation, replacing the older ntpd daemon. This tutorial walks through configuring a dedicated Chrony NTP server on RHEL 9 […]

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How to Set Up a Local Container Registry on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Set Up a Local Container Registry on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up set up a local container registry 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 Use Docker Compose on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Use Docker Compose on Debian 13

Introduction This guide explains how to Use Docker Compose 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 […]

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