Posts

If you want to convert tabs into spaces in a document opened by VIM, use the following steps: ...

Vodafone’s “Wifi Calling” (sometimes named “WLAN Calling”) technical documentation is very poor, so I’ll try to summarize some points I learned. ...

This article explains my bash script getWebserverNames.sh, which displays information included in a certificate that a server presents to TCP connections

I just published a small collection of openSSL scripts on GitHub including one to view certificate information a server. ...

This year (2020) the following 10 tools where the most useful and/or helpful ones for me: ...

Below is a list of apps I like most on my iPad. ...

To generate a QR code for your WLAN the string that has to be converted into a QR code must have the form described here. ...

This year (2019) the following 10 tools where the most useful and/or helpful ones for me: ...

If an ESXi-host crashes and shows a “Purple Screen Of Death” usually a coredump is created. This article shows how to save the coredump, if you need to send it to VMware for further analysis. ...

Clients cache the answers of DNS queries for a certain amount of time. Even an answer like “name not found” is cached. To clear the cash before it’s entries are automatically removed you can use the following commands: ...

Sometimes it is necessary to reduce the MTU size of network interfaces. This post shows how to do it on Windows 10. Should work on not too old versions too. ...

When accessing a virtual machine running (VM) on VMware vSphere through “Remote Console” you cannot use Copy&Paste from your desktop into the VM. This article will describe how you can enable this through the advanced settings of a VM. ...

This year (2018) the following 10 tools where the most useful and/or helpful ones for me: ...

To use HTTPS on port 443 to access your Confluence server it is best to use a “reverse proxy”. This article shows how to do it with Nginx.

Today our Alpaka baby “John Boy” had his first grazing with his parents: