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OPNsense plugins

Aranzinger: Created page with "The functions of the Open Source firewall OPNsense can be extended by multiple '''plugins'''. The following table shows the plugins available with the corresponding version numbers (OPNsense version 25.1.1): {| class="wikitable" !Plugin !Version !Description |- |os-acme-client |4.11 |ACME Client |- |os-apcupsd |1.2_3 |APCUPSD - APC UPS daemon |-...


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Update VMware ESXi

Aranzinger: /* References */

Updates for VMware ESXi can be easily installed via the command line, even for the free version of the ESXi hypervisor. In this example, we explain how to install updates via command line using [[VMware ESXi 6.7]].<ref>[https://kb.vmware.com/articleview?docid=2008939 “esxcli software vib” commands to patch an ESXi 5.x/6.x host] (kb.vmwa...

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Terraform with Proxmox VE tutorial

Aranzinger: Created page with "This article is about the first use of Terraform with Proxmox VE. You will receive all the necessary information beginning with the installation of Terraform to the first deployment of a Proxmox resource (VM). == Overview == Once setup is complete, the basic workflow in Terraform with Proxmox VE is as follows: # '''Install Terraform''' # '''Crea...


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IPMI/BMC Security Vulnerability in Older Implementations

Aranzinger: /* Sources */

== Introduction ==
In July 2025, attention was once again drawn to a vulnerability that has been known for many years in various implementations of the Intelligent Platform Management Interface (IPMI) and the underlying Baseboard Management Controllers (BMCs). Security researchers have identified numerous management interfaces that are ava...

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Copy-on-Write principle in ZFS

Aranzinger:

'''Copy-on-Write''' is an optimization principle of data processing in which changes are not made directly to the existing data set, but are always written to a new copy. As the cornerstone of the [[ZFS Basics|ZFS]] file system's storage strategy, CoW, in combination with transaction groups, ensures that an interrupted write operation can never result in an ...

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