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IT Security Linux 

AdGuard Home and DNS-over-HTTPS

10. November 202210. November 2022 Frank Nørvig 0 Comments ads, dns, linux, spam

If you’re not familiar with PiHole or AdGuard here’s a quick summary:We all know browser extensions like uBlock, AdBlock Plus

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Linux 

Upgrade CentOS Linux 8 to CentOS Stream 8

22. December 202122. December 2021 Frank Nørvig 0 Comments centos, centos8, linux, migrate, stream, sysadm, upgrade

As you probably know (since you are visiting this page), the Linux distro known as CentOS is in for a

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IT Security 

Focus: Checking for LOG4J vulnerability

13. December 202115. December 2021 Frank Nørvig 0 Comments exploit, log4j, security

Important upddate 15/12-2021: Please be aware that the recent fix/patch for log4j was incomplete and did not fully mitigate the

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Mail Microsoft 365 

HowTo: DMARC and Microsoft 365 part 2

4. September 20204. September 2020 Frank Nørvig 1 Comment dkim, dmarc, Microsoft365, office365, phishing, spam, spf, spoofing

Part 2: Configuring your Microsoft 365 Exchange Online and DNS against phishing and email spoofing with DKIM, SPF and DMARC

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Mail Microsoft 365 

HowTo: DMARC and Microsoft 365 part 1

3. September 20204. September 2020 Frank Nørvig 1 Comment dkim, dmarc, Microsoft365, office365, phishing, spam, spf, spoofing

Part 1: Learn how to protect you and your customers against phishing and email spoofing. This article will walk you through DMARC, DKIM and SPF and how to implement it in your Exchange Online / Microsoft 365 environment

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General Nonsense 

Retry command until exitcode OK

25. August 2020 Frank Nørvig 0 Comments bash, linux, script, shell

So I recently created a script to clean up some messy M365 / Azure accounts, but ran in to a

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Microsoft 365 

Change owner of SharePoint Online folders with PowerShell

28. May 202028. May 2020 Frank Nørvig 0 Comments azure, cloud, Microsoft365, powershell, Sharepoint

After creating a number of folders on a common SharePoint Online site I thought it would be useful to change

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Android Programming 

Automating Android touchscreen interaction

28. May 202028. May 2020 Frank Nørvig 0 Comments adb, android, automation, powershell, programming

Today I found myself in need of a way to automate touching the screen on my Android phone. An app

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General Nonsense 

Up n’ Running

28. May 202028. May 2020 Frank Nørvig 0 Comments

Got the blog up and running, now for some content. Main purpose is to share knowledge about programming, system administration,

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adb ads android automation azure bash centos centos8 cloud dkim dmarc dns exploit linux log4j Microsoft365 migrate office365 phishing powershell programming script security Sharepoint shell spam spf spoofing stream sysadm upgrade


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