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Johan Louwers
1,796 followers -
Johan Louwers is for working in the IT world as from 1998 in several roles. As a Java and PL/SQL developer, UNIX and Linux administrator, Oracle Consultant, Oracle DBA, network consultant, storage admin and much much more.
Johan Louwers is for working in the IT world as from 1998 in several roles. As a Java and PL/SQL developer, UNIX and Linux administrator, Oracle Consultant, Oracle DBA, network consultant, storage admin and much much more.

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Oracle Linux - Caddy Server in OL7 Docker container
Today we pushed the first version of a Oracle Linux based Caddy server Docker image to the public Docker Hub. The Caddy webserver is seen as one of the most security minded webservers and is known to be not vulnerable for a large number CVEs. The main objec...
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Oracle Linux - connect F5 to remote syslog server
Logging on Linux devices is by default local. A number of good reasons exists to ensure you have all your logs in one central location. Within a recent project the ask was to ensure all logging was done to a central Oracle Linux rsyslog server. The activati...
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Oracle AI cloud - develop local Pillow applications
Oracle AI Cloud provides by default a solution for developers who want to develop and deploy applications that make use of Pillow. Pillow is the friendly PIL fork by Alex Clark and Contributors. PIL is the Python Imaging Library by Fredrik Lundh and Contrib...
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Oracle Linux - register GitLab Runner
Automation of the development process and including CI/CD processes in your development and deployment cycle is more and more common. One of the solutions you could use is GitLab CI to build automated pipelines. For companies who want (need) to maintain a p...
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Oracle Cloud - Using AI cloud Platform to find a parking spot
One of the new and upcoming parts of the Oracle cloud is the Oracle AI Cloud platform . In effect this is a bundle of pre-installed frameworks and libraries who are tuned to run on the Oracle cloud infrastructure. One of the deployments in the Oracle AI Clo...
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Oracle Linux - Local Vault token cache
Vault is more and more seen in modern day infrastructure deployments. HashiCorp Vault secures, stores, and tightly controls access to tokens, passwords, certificates, API keys, and other secrets in modern computing. Vault handles leasing, key revocation, ke...
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Oracle MySQL - test MySQL with Docker
First things first, I am totally against running any type of Docker container that will hold persistent data in any way or form. Even to the point that I like to make the statement that mounting external storage to a container which will hold the persistent...
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Oracle Linux - keep an eye on share libs
When running large clusters of Linux servers, you tend to start to look at different things. When running a large number of Linux servers all dedicated to the same task or taskset you might become interested to find out which shared libraries are used on al...
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Oracle Linux - check shared library version
As we have seen in a previous post, you can quickly see which shared library files are used by an executable under Oracle Linux by a specific executable. In our example we found that libidn.so.11 and libc.so.6 are both used by ping under Oracle Linux. We ex...
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Oracle Linux - find shared libraries using readelf
A library is a file containing compiled code from various object files stuffed into a single file. It may contain a group of functions that are used in a particular context. For example, the ‘pthread’ library is used when thread related functions are to be ...
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