Proxmox: send an ISO to Proxmox

In this tutorial, I will explain to you how to upload an ISO to Promox so that you can use it to install an operating system on a virtual machine. When installing Proxmox, several storage spaces are created: To send an ISO to Proxmox, you have two solutions: In this tutorial, we will therefore use …

Read more

Proxmox: configure multipath

In this tutorial, I will explain how to configure multipath on Proxmox. Generally, multipath is necessary when using a two-tier architecture for hypervisors with servers and SAN type storage (FC/iSCSI/… disk array). To ensure high storage availability, servers generally have several connections to the disk bay, what is called multipath in IT. On Proxmox when …

Read more

Proxmox: use the integrated Firewall to secure virtual machines

In this tutorial, we will see how to use the Firewall functionality integrated into Proxmox to secure virtual machines and manage network flows. Presentation of the firewall in Proxmox Proxmox allows you to manage a Firewall at the Hypervisor level which allows you to manage network flows at the levels: This configuration can be done …

Read more

Proxmox: partition a disk

In this tutorial, I will explain how to partition a disk on Proxmox and then assign the partitions to storage. In this tutorial, you can see that I have two “disks” sda and sdb. In fact, these are two virtual disks created on a RAID 5 disk group on the server itself. The sda disk …

Read more

Postfix: configure a mail relay (MTA) on Ubuntu

In this tutorial, I will explain to you how to install (it’s the easiest) and configure Postfix on Ubuntu as an email relay to send emails from applications, equipment (copier, switch, etc.). This type of server is often used in businesses to send emails from different equipment and software, even if you have an internal …

Read more

Proxmox: configure a cluster with Ceph storage

In this tutorial, I will explain how to configure a cluster with Proxmox in order to ensure high availability and storage management will be with Ceph in order to have a Hyperconverged virtualization environment. Presentation Before launching into the tutorial, I will cover a few points for newbies. Let’s start with hyperconvergence, traditionally the Clustering …

Read more

Proxmox: installing a Hypervisor

In this tutorial, I will explain how to install Proxmox on a physical server. I used a DELL server and performed the installation through the iDRAC console. Regarding the configuration of the server, it has 2 CPUs, 32GB of RAM and 8 hard drives. The disk configuration is as follows: To get started, download Proxmox …

Read more

GLPI 10: network inventory with GLPI Agent

In this tutorial, I will explain to you how to set up network inventory in GLPI 10 with GLPI Agent. This is the functionality equivalent to network discovery and inventory with FusionInventory: Fusion Inventory: Configuring Discovery and Inventory Tasks – 247-IT Presentation of network inventory with GLPI Agent The network inventory allows you to discover …

Read more

Active Directory: retrieve the base DN (distinguishedName) attribute of an object

In this tutorial, I will explain how to retrieve the base DN also called distinguishedName in an Active Directory. This attribute is often used to configure LDAP/Active Directory bindings for applications. All Active Directory objects (Users, Computers, Organizational Unit, etc.) have the attribute: distinguishedName and this is unique. I say that the base DN attribute …

Read more

GLPI 10: configure automatic computer inventory with GLPI Agent

Introduction In this tutorial, I will explain how to set up automatic inventory in GLPI 10 with GLPI Agent. Before version 10 of GLPI, you had to go through a plugin (Fusioninventory or OCSInventory) to have automatic inventory in GLPI. Since this functionality is native to GLPI, if you are used to using FusionInventory, you …

Read more