January 2020 - Page 37 of 69

How to Configure Ceph Storage Cluster on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure Ceph Storage Cluster on Debian 10

Introduction How to Configure Ceph Storage Cluster 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. […]

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Spring Boot - Cannot determine embedded database driver class for database type NONE — step-by-step DevOps tutorial on Progressive Robot

Spring Boot – Cannot determine embedded database driver class for database type NONE

URL: https://www.progressiverobot.com/spring-boot-cannot-determine-embedded-database-driver-class-for-database-type-none/ If you are reading this, then we think you have got "Cannot determine embedded database driver class for database type NONE" error while running [Spring Boot](/community/tutorials/spring-boot-tutorial) application. Below image shows our simple Spring Boot starter project where we got "Cannot determine embedded database driver class for database type NONE" error while running the […]

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How To Work with the ZeroMQ Messaging Library — step-by-step Linux tutorial on Progressive Robot

How To Work with the ZeroMQ Messaging Library

In this second instalment of the cloud provider ZeroMQ articles, following our previous one on the installation of the application, we are going to dive into its usage and discover ways to actually implement this fast and powerful library. We’ll make our way through various examples divided into successive sections, beginning with simple messaging between processes (i.e. using the request/response pattern).

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FreeBSD 12 — p5-XSLoader — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — p5-XSLoader — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: p5-XSLoader — local arbitrary code execution Related CVEs: CVE-2016-6185 Upstream summary: Jakub Wilk reports: XSLoader tries to load code from a subdirectory in the cwd when called inside a string […]

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How to Set Up SSH Keys on Debian 9 — step-by-step Linux tutorial on Progressive Robot

How to Set Up SSH Keys on Debian 9

SSH-key-based authentication provides a more secure alternative to password-based authentication. In this tutorial we’ll learn how to set up SSH key-based authentication on a Debian 9 installation.

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How to Configure Infrastructure as Code with Pulumi on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Infrastructure as Code with Pulumi on RHEL 9

Pulumi is a modern Infrastructure as Code platform that lets you define, deploy, and manage cloud resources using general-purpose programming languages — Python, TypeScript, Go, C#, and Java — instead of a domain-specific language like Terraform’s HCL. This means you get real loops, conditionals, functions, classes, and access to the full ecosystem of your chosen […]

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How To Configure and Connect to a Private OpenVPN Server on FreeBSD 10.1 — step-by-step Linux tutorial on Progressive Robot

How To Configure and Connect to a Private OpenVPN Server on FreeBSD 10.1

OpenVPN is an open-source virtual private network (VPN) server/client application which allows you to join a virtual network (similar to a LAN) securely. This tutorial will explain how to install and configure an OpenVPN server on a FreeBSD 10.1 machine with IPv4 NAT and routing. By the end, you’ll be running your own OpenVPN server, and have a client configuration file ready to download to connect to this network.

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