Category: Unix

How to safely resize an LVM volume on Linux

I have several Oracle Cloud Infrastructure (OCI) based Lab environments, which I build with Terraform and corresponding shell scripts. Unfortunately the labs are not one size fits all. Depending on what I’m testing, I have different requirements for the available filesystems. So every now and then I face the problem that I have to increase […]

Easy replacement of tnsnames.ora with LDAP Directory Server

The tnsnames.ora is a configuration file for Oracle database respectively Oracle Net Service Names resolution. It contains network service names that are mapped to connection descriptors for the local naming method. With the help of tnsnames.ora Oracle clients respectively the users can easily access Oracle databases. The connection descriptors provides all relevant information like host, […]

A simple Container based Guacamole Setup

Another food blog post? No, of course not. Guacamole in this case does not refer to the avocado-based dip, but to the Apache client less remote desktop gateway. We use this as an alternative access to the OCI based Trivadis LAB environment. We use an automatically configured Guacamole environment with Nginx reverse proxy and Let’s […]

OUDbase environment scripts for Oracle Unified Directory Part 1

Almost two years ago I started writing environment scripts for my Oracle Unified Directory installations. At the beginning there were only 2-3 scripts, from which at some point a small project on GitHub emerged. A lot has changed since my blog post Environment Scripts for OUD. The current version of OUDbase (v1.5.5) has a number […]

Start OUD Servers on Boot using systemd

Starting Oracle Unified Directory on system boot is essential for production environment. Unfortunately OUD just provides a script to create the init.d script. But newer system in general use systemd initialise and startup. Nevertheless, creating a custom unit file for OUD is simple and straightforward. First, let’s create a regular init.d script with the create-rc-script […]

Environment Scripts for OUD

At Trivadis we do have the TVD-BasEnv™ to standardizes and simplifies the handling of environments for Oracle database and application server landscapes. This inspired me to create something similar for Oracle Unified Directory environments. Although current versions of TVD-BasEnv™ already support OUD and OID environment. I’ve had the situation, where I need some small and […]