A blog about virtualization, cloud, storage, networking and IT stuff.

I scan all my incoming mail into Paperless-ngx.

When we moved into our new house five years ago, the electrical installation came with a full KNX bus: lights, blinds, heating actuators, the garage door, a weather station, all wired up and configured through ETS by the electrician.

Every time I tried to clone or pull from a remote Git repository over SSH on Windows, I got hit with this: PS C:\Development\Forgejo> git clone ssh://git@forgejo.blazilla.de/patrick/Dotfiles.git Dotfiles Cloning into 'Dotfiles'... git@forgejo.blazilla.de:…

I’ve been a Windows user for over 30 years.

If you’d like to hear me talk about IT, data centers, cloud, and other tech-related topics, feel free to tune in to one of these podcasts: Wartungsfenster Faxinformatiker TechnikTechnik

One of my customers is running a five node Nutanix cluster, which is configured for FT2 (2N/2D).

This really annoying issue was hunting me for several weeks until I discovered the root cause.

I’m a loyal Apple iPhone and T-Mobile customer for many years.

The HPE iLO Amplifier Integration into the vSphere Lifecycle Manager is an easy way to update your ESXi hosts not only with updates, but also with the latest firmware.

Sometimes you need to decomission services, and move them to new servers.

We all know the e-mail disclamer and “EXTERNAL” tags in subject lines that should make clear, that a specific e-mail is coming from external sender.

After a routine update of a 6-node Nutanix cluster, a Nutanix Cluster Check (NCC) warning popped up indicating a problem with the SAS cabling.

The Certificate Enrollment Policy Web Service (CEP) and the Certificate Enrollment Web Service (CES) were introduced with Windows Server 2008 R2 in order to simplify the request for certificates, especially for devices that were not member of a Active Dir…

By default, credentials such as RADIUS or TACACS authentication keys, are stored separately from the switch configuration, and are not shown when saved or running configurations are displayed or copied using TFTP or SSH.

Some weeks ago I decided to move my notes from Microsoft OneNote to Joplin.

Many of you might know Pi-hole and use it for blocking ADs.

In May 2022, Broadcom announced that it will buy VMware for outstanding $69 billion USD. 18 months later, in November 2023, China finally approved the merger.

This is a quick one.

This blog will mark its 10th anniversary in January 2024.

Englisch This website is a private project.

Hello, and welcome to vcloudnine.de!

Usually I tend to use the iPhone WiFi hotspot feature.

While chilling on my couch, I stumbled over this pretty interesting Reddit thread: Story Time - How I blew up my company’s AD for 24 hours and fixed it : sysadmin (reddit.com) Long story short: A poor guy applied some STIG hardening and his Active Directo…

In the previous blog post I have showed you how to interactively log in into the Microsoft Graph API.

There is a new API in town… naa, not really new, but the Microsoft Graph API will replace most, if not all, other Azure AD/ Microsoft 365 APIs.

Scrolling through my Twitter timeline is a common task to start my day.

Ausnahmsweise ein Blogpost in deutscher Sprache.

This error gets me from time to time, regardless which server vendor, mostly on hosts that were upgraded a couple of times.

A customer used PRTG Network Monitor to notify him in case of account lockouts.

Today I faced an interesting problem.

As part of a Office 365 tenant rebuild, I had to move a custom domain to the new Office 365 tenant.

EDIT: It seems that his was fixed in vCenter 7.0 U3.

Its been four month since my last blog post, and the blog frequency was quite low before that.

Adding a second factor to your authentication is always a good idea.

Today I had to deploy a new vCenter appliance.

One of my customers replaced the old Veeam environment with new gear.

Yesterday, I passed the first exam of the year.

This blog post covers objective 1.1 (Gather and analyze business requirements) of the VCAP-DCV Design 2021 exam.

In August 2018 I’ve passed the VCAP6-DCV Deployment exam.

Using physical clients as Horizon View agents is pretty common for me.

I just had a Teams call with a customer to resolve a strange mystery about Azure MFA.

There are still customers out there that are running vCenter Server on a Windows host.

We have to deal with COVID19 for a year now and from the IT perspective, 2020 was a pretty strange year.

One of my customers purchased a bunch of Microsoft 365 subscriptions in order to use them with Office 365 and Windows 10 Enterprise.

December 31, 2020 will not only be the end of the miserable year 2020, it will also be the end of an era - the era of Adobe Flash!

While migrating a customer from Exchange 2010 to Exchange 2016, I had to create an Exchange Hybrid Deployment, because the customer wants to use Microsoft Teams.

During the deployment of a vSAN cluster consisting of multiple HPE ProLiant DL380 Gen10 hosts, I noticed a memory health warning after updating the firmware using the Support Pack for ProLiant.

A couple of days ago, I wrote about our first steps to move our on-prem stuff to Azure.

As part of an ongoing Exchange 2010 to 2016 migration, I had to replace the self-signed certificate with a certificate from the customers PKI.

It was a bit quiet here due to the current COVID 19 pandemic.