Microsoft 365 apps activation error “Another account from your organization is already signed in on this computer”

March 14th, 2024

For Mac devices, follow these steps:

  1. Close all Microsoft 365 apps.

  2. Open Terminal, and then run the following command:

    defaults write ResetOneAuthCreds -bool YES
  3. Open the Microsoft Word app and continue with the activation steps.

Your browser displays fake Virus/McAfee notifications

February 22nd, 2024
  1. Open Chrome.
  2. At the top right, click the Customize and control Google Chrome icon (), then click Settings.
  3. Under Privacy and Security, click Site Settings, then Notifications.
  4. To block all notifications, select Don’t allow sites to send notifications.


Enable External Forwarding in Microsoft 365

February 13th, 2024

Enable External Forwarding in Microsoft 365 – Help Scout Support

Activation of logical volume pve/data is prohibited while logical volume pve/data_tmeta is active.

January 13th, 2024

lvchange -an pve/data_tmeta

lvchange -an pve/data_tdata

vgchange -ay


Set a default printer – Powershell

December 21st, 2023
$Printer = Get-CimInstance -Class Win32_Printer -Filter "Name='Samsung M337x'"
Invoke-CimMethod -InputObject $Printer -MethodName SetDefaultPrinter 

octoprint – Put tape on the 5V pin

December 20th, 2023

Put tape on the 5V pin – Why and how – Get Help / FAQ – OctoPrint Community Forum

Windows Server 2022: How do I install Print Management??

June 15th, 2023
dism /Online /add-Capability /CapabilityName:Print.Management.Console~~~~

Block Internet access if OpenVPN Client is down?

June 10th, 2023

NetTime is a Simple Network Time Protocol (SNTP)

February 16th, 2023

NetTime – Network Time Synchronization Tool (

How to Save Sent Items in “Shared” Mailbox

February 9th, 2023
Set-Mailbox <SharedMailboxIdentity> -MessageCopyForSentAsEnabled $true
Set-Mailbox <SharedMailboxIdentity> -MessageCopyForSendOnBehalfEnabled $true