Marcin Kujawski's Blog
Introduction In Part 1 of the Proxmox Lab series, we installed Proxmox VE and explored its core features. In Part 2, we configured TrueNAS as a shared storage backend for Proxmox.Now, in Part 3, we bring everything together by creating a fully functional 3-node Proxmox cluster with integrated TrueNAS shared storage and live migration capabilities … Read more
Introduction In Part 1, I have explored why Proxmox VE is an ideal alternative to VMware, dove into its architecture, install it from scratch and deployed our first virtual machine on top. Today, I’ll take things to the next level by building a shared storage backend using TrueNAS – a free, powerful NAS OS that … Read more
Introduction Welcome to the first post in my three-part series about building an enterprise-grade virtualization lab using Proxmox VE – the open-source alternative to VMware that’s winning over sysadmins around the world. In this series: At the end I will have following design implemented. 🆚 Proxmox vs VMware: Which One Is Better? Let’s start with … Read more
Wazuh – what is it? Wazuh is a free and open source security platform that integrates XDR (Extended Detection and Response) and SIEM (Security Information and Event Management) capabilities into single pane of glass. XRD is designed to collect and automatically correlate real-time data collected from installed agents. It also enables remediation, as a response … Read more
In this article I will provide you the guidance how to update vCenter Server from version 7.x to to the latest iteration, 8.0. I will describe each step as well as best practices and potential challenges associated with this task, ensuring a smooth transition to VMware’s vCenter latest offerings. Procedure: Upgrade validation My current version … Read more
Introduction If you’re a CentOS user looking to distribute and install and manage your software efficiently, RPM (Red Hat Package Manager) is a powerful tool you should embrace. RPM allows you to package your applications, libraries, or scripts into a format that can be easily installed, upgraded, and managed on CentOS systems. In this article … Read more
Introduction NFS (Network File System) is a distributed file system protocol that allows users to access files and directories over a network. Kerberos is a network authentication protocol that provides secure authentication for client-server applications. FreeIPA is a centralized identity management system that provides authentication and authorization services for Linux-based systems and I will use … Read more
What FreeIPA is? FreeIPA is an open-source identity management solution that provides centralized authentication, authorization, and account information for Linux and Unix systems. It is built on top of several open-source technologies, including Kerberos, LDAP, and DNS. In this article, I will walk you through the process of installing and configuring the FreeIPA server on … Read more
At a very beginning of the Docker there was a problem that after machine is restarted (that runs Docker) or even docker service was restarted, the containers which were running were not started again. It was solved in Docker v1.1.2 and right after that release in v1.2.0 auto-restart of containers using policies was added as … Read more
Cockpit – what is that? Cockpit is an easy-to-use GUI console for servers/desktops, designed for everyone, especially those who are: Cockpit – short characteristics Cockpit enables a wide range of administrative tasks, including: Cockpit – why it’s worth it Installation and configuration of Cockpit For your information there are a lot of supported already operating … Read more