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How to Set up Software Updates Automatically on Oracle Linux

Regardless of whether you use ULN or an Oracle Linux yum server, software updates are achieved using standard dnf commands on the system and depend on the system having the appropriate ULN channel subscriptions or yum repositories enabled. You can use the dnf install and dnf update commands to handle general package installation or updates. To update a system to use the latest Read More

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How to Remove Computers from 365 Defender “Device Inventory”

If you can’t act on a device, for example if it’s offboarded or a duplicate, you can choose to have it excluded from threat and vulnerability management views. Excluded devices won’t be visible in any of the vulnerability management pages and reports, and they won’t have updated or relevant information about vulnerabilities. Not being able Read More

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How to Disable ‘Recommended’ Section from Start Menu on Windows 11

On Windows 11, it’s not possible to completely remove the “Recommended” section from the Start menu, but you can disable the feature to prevent items from appearing in that section, and in this guide, I will show you the steps to complete this configuration. The “Recommended” section is part of the Start menu (below is the Read More

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How to fix Outlook “You do not have the permission to send the message on behalf of the specified user”

Consider the following scenario: And if you are running Outlook in Online mode, you receive the following error message: You do not have the permission to send the message on behalf of the specified users. In this configuration, Exchange Server requires Send As permissions to send the email message. If you don’t have Send As Read More