Kernel Drivers

How to Set Up iocage Jail Storage on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Set Up iocage Jail Storage on FreeBSD 12

Introduction How to Set Up iocage Jail Storage on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 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 […]

Read more
How to Install and Configure ISC DHCP Server on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install and Configure ISC DHCP Server on Debian 10

Introduction Deploying install and configure isc dhcp server on debian 10 on a Debian 10 Buster 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 […]

Read more
How to Configure GPG Key Management on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure GPG Key Management on Debian 10

Introduction How to Configure GPG Key Management on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster 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 10. […]

Read more
How to Mount CIFS Windows Shares on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Mount CIFS Windows Shares on Debian 10

Introduction How to Mount CIFS Windows Shares on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster 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 10. […]

Read more
How to Set Up a PPTP VPN Server on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up a PPTP VPN Server on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up set up a pptp vpn server on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step […]

Read more
How to Set Up a VPN Server with StrongSwan IPsec on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up a VPN Server with StrongSwan IPsec on RHEL 7

How to Set Up a VPN Server with StrongSwan IPsec on RHEL 7 A Virtual Private Network (VPN) allows remote users and branch offices to securely connect to your corporate network over the public internet. StrongSwan is a robust, open-source IPsec-based VPN solution that supports IKEv2, the modern and recommended key-exchange protocol for road-warrior configurations. […]

Read more
Common Problems 121114

Debian 10: kubelet not starting due to cgroup driver mismatch

🟠 High   ⏱ 5–30 min  Last verified: 11 February 2020 Affected versions: Debian 10 📖 ~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 & […]

Read more
How to Set Up Consul on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up Consul on Debian 10

Introduction How to Set Up Consul on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster 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 10. This […]

Read more
How to Set Up Hyper-V Resource Metering on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Hyper-V Resource Metering on Windows Server 2019

How to Set Up Hyper-V Resource Metering on Windows Server 2019 Hyper-V Resource Metering is a feature in Windows Server 2019 that allows administrators to track and measure the resource consumption of virtual machines. This capability is essential for billing in hosted environments, capacity planning, and chargeback reporting. Resource metering collects data on CPU usage, […]

Read more
How to Set Up ModSecurity WAF with Apache on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up ModSecurity WAF with Apache on RHEL 8

ModSecurity is a widely-deployed open-source Web Application Firewall (WAF) that integrates directly with Apache as a module. Combined with the OWASP Core Rule Set (CRS), it provides protection against the most common web attack categories including SQL injection, cross-site scripting, and remote code execution. On RHEL 8, both the mod_security Apache module and the mod_security_crs […]

Read more
CHAT