Kevin Maschke
  • 6 April, 2022
Kevin Maschke
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Open Source

zimbra_certbot_lets-encrypt
GuidesLinux

Zimbra – Upgrading SSL certificates after Let’s Encrypt DST Root CA X3 expiration

On September 30, 2021, the Let’s Encrypt DST Root CA X3 certificate expired. This certificate was used to sign all...
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LinuxGuides

Zimbra Collaboration 8.6 – DNSMasq

In the previous articles we saw what Zimbra is and how to prepare the server with the necessary prerequisites to...
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GuidesLinux

Zimbra Collaboration 8.6

Recently I had the chance to implement a Zimbra Collaboration server in its Open Source version and I decided to...
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LinuxWeb

“User unknown in virtual alias table” Error in Postfix and Virtualmin

I recently came accross a strange issue with Postfix and Virtualmin on every website hosted on my server when someone...
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Zimbra Collaboration - Prerequisites
LinuxGuides

Zimbra Collaboration 8.6 – Prerequisites

As I explained in my first entry about Zimbra Collaboration, I’m going to dedicate a few articles to explain its prerequisites,...
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Recent Posts

  • Awaken Online: Flame (Tarot 2), by Travis Bagwell
  • La Belle Sauvage, by Philip Pullman (Book of Dust Vol.1)
  • Zimbra – Upgrading SSL certificates after Let’s Encrypt DST Root CA X3 expiration
  • AWAKEN ONLINE – Everything you need to know before reading!
  • Awaken Online: Ember (Tarot 1), by Travis Bagwell
  • Awaken Online: Unity (AO 4.5), by Travis Bagwell
  • Awaken Online: Dominion (AO 4), by Travis Bagwell
  • Awaken Online: Apathy (AO 3.5), by Travis Bagwell

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AWAKEN ONLINE – Everything you need to know before reading!

Elite: Dangerous – 400 Billion Systems, infinite possibilities.

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