My internet provider is Unitymedia. Their default router comes with a DHCP server. Honestly, it’s one of the worst products I ever had to work with. My private network is 192.168.0.x. The DHCP server of the Unitymedia box is distributing from time to time leases for 192.168.192.x. Changing my private Read more…
Recently I had the problem that running apt-get update stalled while trying to connect to an IPv6 address. For instance, on a Raspberry Pi, the update process stalls while trying to connect to archive.raspberrypi.org. All other connections worked fine. Looking at the console output, a difference was that apt was Read more…
I got a new 10 TB disk. Before I’ll add this one to a RAID, I want to play around with it, aka: test the drive. Therefore, I’ll need to format the drive to mount it. And before that, I need to create a partition. FDISK In the good old Read more…
Issuing an AJAX request is more complex than you might think. Issue When you issue an AJAX request to a server in another domain (CORS), you may get the following error message: Response for preflight does not have HTTP ok status. Problem The server is configured to allow CORS. The Read more…
The example used in this blog is a CIFS share from a Samba server running on a Raspberry Pi mounted on demand by a client running Debian. Goal The goal is to have a share on a client that is dynamically mounted. The share should only be mounted when an app Read more…
After configuring the overall OpenVPN client and server infrastructure, my clients can connect to a VPN. The client can access server resources and vice versa. While the server gets normally always the same IP assigned, the client IP address is assigned dynamically from a pool of IP addresses. Meaning: there Read more…
Configuring a reverse proxy is not an easy task. It involves some trial and error and dealing with unexpected errors. One of those errors is ERR_CONTENT_DECODING_FAILED. The web site won’t load in your browser will show this error message: Error ERR_CONTENT_DECODING_FAILED may show up in your browser when a resource Read more…
Short version You have files named File0.txt to File100.txt in different folders and want to move the first 30 files in a separate directory (command for Mac users. Linux users can use find and mv): For sorting FileNN.txt (character + number) gfind -type f -printf “%f %p\n” | sort -n Read more…
When running a CI job you may need to use some SAP tools. For instance, the MTA builder or Neo tools. Many CI servers include integration to build tools or plugins are provided by the community or vender. Jenkins offers plugins for Maven, Ant or Node that let you easily Read more…
I have a git repository on SCP that I want to clone using git on my laptop. I thought this should be easy to do. The source code of my project is available in the git repo at SCP. Cloning the repo using git clone from this URL should work. Read more…