Docker: How to build you own container with your own application

atThere are many tutorials out there, how to create a docker container with a apache webserver inside or a nginx.
But you can hardly find a manual how to build your own docker container without pulling everything from a foreign repository.
Why should you not pull everything from foreign repositories?

You should read this article or this:
But since each phase of the development pipeline is built at a different time, …
…you can’t (more...)

Oracle SOA Suite 12c: Invoking a BPEL process via Enterprise Manager (EM)

After you logged in via http://yourhost:7001/em navigate to "soa-infra":
 Then choose "Deployed Composites":
 There you have to click on your composite (here: "Project1"):
 Choose "Test":
 Go to the bottom of the page and expand the payload:
 There you have  fill in your test string:
 And after a click on "Test Web Service"
The response is shown incl. the response time.

To list the audit trails goto "Home-> Flow instances

And choose "search" on the right side:

Oracle VM Server x86: Creation of a virtual machine

After all these steps
it is possible to create a VM:

 Click the third icon:

And here is the summary:
One thing still missing: I did not put an ISO image into the repository, so this VM has no media to start from. The Import of an ISO image i will post in a week.

Ubuntu: unmet dependencies gparted (libparted-fs-resize0 (>= 3.1))

After a new ubuntu installation i got the following error:
root@pc:/etc/apt/sources.list.d# apt install   gparted
Paketlisten werden gelesen... Fertig
Abhängigkeitsbaum wird aufgebaut.   
Statusinformationen werden eingelesen.... Fertig
Einige Pakete konnten nicht installiert werden. Das kann bedeuten, dass
Sie eine unmögliche Situation angefordert haben oder, wenn Sie die
Unstable-Distribution verwenden, dass einige erforderliche Pakete noch
nicht erstellt wurden oder Incoming noch nicht verlassen haben.
Die folgenden Informationen helfen Ihnen vielleicht, die Situation zu lösen:

Oracle VM Server: supported guest systems

After the installation of


the next step is to install a guest. But which operating systems are supported on Oracle VM Server?
Let's look into the official Oracle documentation:
The list of supported operating systems can be found here.

Table 5.1 HVM-Supported Linux Guest Operating Systems
Guest Operating System
HVM 32-bit
HVM 64-bit
Oracle Linux Release 7.x
Oracle Linux Release 6.x
Oracle Linux (more...)

Docker-CE: How to modify containers with overlays / How to add directories to a standard docker image

After some experiments with docker i wanted to run a tomcat with my own configuration (e.g. memory settings, ports, ...).

The first guess is: Download tomcat, configure everything and then build an image.
BUT: After i learned how to use the -v (--volume) flag for adding some file via the docker command to an image i was wondering, wether creating a new image with only the additional files on top of standard (more...)

Ubuntu Intel Spectre/Meltdown update

One week after the rumors about Spectre and Meltdown (s. Project Zero Blog) my Ubuntu 17.10 got the Intel microcode patch:

root@zerberus:~# apt-get upgrade
Paketlisten werden gelesen... Fertig
Abhängigkeitsbaum wird aufgebaut.      
Statusinformationen werden eingelesen.... Fertig
Paketaktualisierung (Upgrade) wird berechnet... Fertig
Die folgenden Pakete wurden automatisch installiert und werden nicht mehr benötigt:
  linux-headers-4.13.0-17 linux-headers-4.13.0-17-generic
  linux-image-4.13.0-17-generic linux-image-extra-4.13.0-17-generic
Verwenden Sie »apt autoremove«, um sie zu (more...)

Oracle SOA Suite: Installating the Fusion Middleware Infrastructure

After setting up the database (installation, instance setup) and the SOA Suite repository (via rcu) the next step is to install the Oracle Weblogic Infrastructure.

The software can be downloaded here:

(You have to choose "Fusion Middleware Infrastructure Installer)

The unzip the downloaded zip:
and run it: 
java -d64 -jar fmw_12.
Because the Oracle documentation does not contain pictures of the installer, here the screenshots:

Next step is to run the to configure the Application server domain.