https://wiki.dereyck.eu/ 2026-07-23T10:10:02+00:00 https://wiki.dereyck.eu/ https://wiki.dereyck.eu/_media/wiki/dokuwiki.svg text/html 2024-10-15T20:27:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.dereyck.eu/creating_custom_objects_in_powershell?rev=1729024077&do=diff Creating Custom Objects in Powershell To more conveniently manage or output data while using Powershell, it is often useful to use custom objects. They can be created as follows: $Person = [PSCustomObject]@{ FullName = "Thomas De Reyck" Age = 37 Job = "IT technician" } text/html 2024-03-15T09:04:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.dereyck.eu/purge_stale_devices_from_entra_id?rev=1710493453&do=diff Microsoft has an article where they explain best practices to purge stale devices from Entra ID. I have implemented these actions in a script. First, the script searches for all devices that have not been active for 180 days and disables them. Next, it searches for all disabled devices that have not been active for 210 days, and actually deletes them. When deleting devices, it also generates a file containing Bitlocker keys for the deleted devices. text/html 2024-03-15T10:22:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.dereyck.eu/removing_microsoft_defender_from_a_mac?rev=1710498169&do=diff Removing Microsoft Defender from a Mac After installing Microsoft Defender on a Mac, it prevents itself from being deleted. The mechanism on how it does so is still unclear to me, but you cannot delete the Defender app, even as root. In order to delete it, you first need to disable its anti-tamper protection: text/html 2024-03-19T21:50:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.dereyck.eu/setting_up_a_debian_server?rev=1710885024&do=diff Setting up a Debian server Preparations * If possible, make a DHCP reservation for your new server. This simplifies the network configuration on your server and * If possible, register a DNS name for your new server and point it to the assigned IP address. The installer will ask you for the FQDN, so it saves time if you set it correct from the start and don't need to change it afterwards. text/html 2024-04-19T12:58:55+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.dereyck.eu/show_info_on_all_devices_in_an_entra_id_group?rev=1713531535&do=diff Show info on all devices in an Entra ID group This script gets some information on every device that's a member of an Entra ID group. You just need to adjust the $groupId parameter on the first line. The result will be a devices.csv file in the working directory. text/html 2024-03-13T15:33:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.dereyck.eu/start?rev=1710343990&do=diff Welcome Get started here. text/html 2024-03-14T13:27:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.dereyck.eu/writing_a_disk_image_to_a_disk?rev=1710422831&do=diff Writing a disk image to a disk :!: Before using the below methods, keep in mind that writing the image will overwrite what is currently on the disk. Using cat Writing a disk image is usually done with dd, but actually, you might just as wel simply use cat: