When running a Linux server, which is accessible from the Internet, you will see a lot of failed SSH authentication attemtps.
This article is not about securing your server (ssh-port-change, fail2ban, private/public-key-auth only, ...) but about visualizing these attacks.

ISC BIND allows for export of statistics using a web UI. This artice can help you avoid a common pitfall on CentOS.

Mounting a NFS share should be an easy task, however you might fail to mount the NFS share.
The ESXi vmkernel.log might show this error:
WARNING: NFS41: NFS41ExidNFSProcess:2054: Server doesn't support the NFS 4.1 protocol

This article explains how to install and omeBridge, an opensource implementation of Apples HomeKit API, on a Synology Diskstation.
This tutorial requires that you own a Synology Diskstation with an Intel CPU that can run Docker.


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Just because we can, you can play around with some settings in IBM Notes on Windows.

Instead of using the Internet Explorer engine to render websites in Notes you can use XULrunner, the engine from the popular Firefox browser.

First check which engine Notes is currently using by opening a browser window within Notes (Open - Web), you may have to check your preferences to use the internal browser.
Go to https://www.whatismybrowser.com/

Now edit the file [notesprogramdir]/framework/rcp/plugin_customization.ini and add the two lines:
com.ibm.rcp.ui.browser/embeddedBrowser=Mozilla
com.ibm.rcp.rte/RTEBasedBrowser=XULRunner

Now close all browser windows and restart Notes.


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On a Lenovo ThinkPad W510 I had an annoying problem with a popup indicating if the Scoll-Lock key was pressed. That tiny little grey window was popping up in the lower right corner of the screen.
The reason for hating that popus is that in Flightsimulator X the Scroll-Lock key is used to open the ATC window. If you play in DirectX fullscreen mode the screen flickers heavily for several seconds.
I found that the indator is not a Thinkpad feature but part of the Widcomm Bluetooth Stack. No idea why that software is doing this kind of stuff but here is the trick how to disable that indicator popup:
Use your registry editor and change the DWORD for KeyIndication in HKEY_LOCAL_MACHINE\SOFTWARE\Widcomm\BTConfig\General to a value 0. To reenable restore the default value of 1.

I installed Internet Explorer 8 some days ago and wondered why the integrated Webbrowser now takes very long to start and why opening a MIME email takes more than a minute.