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A web-based MBean Navigator for Oracle WebLogic wlst

Back in the days of WebLogic v8.x, when BEA still owned it and wlst wasn’t the official scripting tool yet, the unofficial wlshell and wlshell Explorer tools were available along with the official command-line tool weblogic.Admin. wlshell was a Windows(…)

JENKINS – recover access to your Jenkins Admin Dashboard

Hi team, I recently installed a Jenkins machine and forgot to create a “first admin user”, but I also forgot the password to log in with default admin user (I guess default password was admin but it doesn’t matter now(…)

Amazon RDS Oracle in Multitenant

By Franck Pachot . AWS has just added the possibility to create your oracle Database as as CDB (Container Database), the “new” architecture of Oracle where an instance can manage multiple databases, adding a new level between the heavy(…)

PostgreSQL on Oracle free tier ARM

By Franck Pachot . This follows the previous post about the Oracle Cloud ARM compute shape just announced on May 25th. The processor is ARM v8.2 with LSE (atomic instructions) and PostgreSQL can benefit from it (see(…)

An always free 4 vCPU 3.0 GHz 24 GB RAM on OCI

By Franck Pachot . Oracle Cloud free tier is already outstanding since OOW19 with two VMs and two databases that you can leave always running without any risk of being billed or seeing them stopped. I(…)

Automate restore from Rubrik with PowerShell

One of our customer uses Rubrik as a solution to recover, manage, and secure all their data. In this context, Rubrik is used to backup and restore all the SQL Server instances. We need to run restore tests(…)

Why is the default postgres database slightly larger than template1?

You probably know that a fresh initialized PostgreSQL cluster comes with three databases by default: template0, template1, and postgres. If you want to know why they are there, and what their purpose is, check this post. In(…)

PostgreSQL on AWS Graviton2: CFLAGS

By Franck Pachot . In a previous post I’ve compiled PostgreSQL with GCC 7 and GCC 11 with the default options and checked that the ARM v8.2 features were used. However it may not be so simple:(…)

PostgreSQL, pg_ctl and signals

I believe most people use pg_ctl nowadays to start, stop, or restart a PostgreSQL instance. You can do all these tasks without using pg_ctl, but you'll notice in a minute that pg_ctl really is your friend. Even(…)

Does it still make sense to deploy a virtualized HA ODA in 2021?

Introduction Starting from version 19.11 of the Oracle Database Appliance software bundle, OLVM will definitely replace OVM server as virtualization engine. This change has quite a big impact as there will be no more virtualized specific deployment. Bare metal will(…)