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Operation systems

Elisa Usai

Install CentOS 8 on VirtualBox

By | Operation systems | 2 Comments

Last days, I needed to test our DMK tool for the new MySQL and MariaDB releases on the most recent version of CentOS. Here you can find all important steps to configure a CentOS 8 VM with an Internet connection, a specific hostname and a static IP address, accessible through SSH on VirtualBox.

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Jérôme Dubar

odacli create-database error DCS-10802: Insufficient disk space on file system: database

By | Database Administration & Monitoring, Database management, Operation systems, Oracle | No Comments

Introduction I was reimaging an X6-2M ODA after various patching troubles, and everything was fine. After several databases created, the next ones could no more be created. DCS-10802: Insufficient disk space on file system: database. Expected free space (MB): {1}, available space (MB): {2} I’ve spent some time on it, and finally found the cause of the problem. And the solution. Context After successfully reimaged an X6-2M ODA with 18.5, and applied the patch for…

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Julia Gugel

SLES15 SP1 – New features

By | Operation systems | No Comments

With SLES15 SUSE introduced the Multimodal OS and the unified installer. Means, you only get what you really need. Your OS is flexible and you can easily add features you need and remove them as well. But this article shouldn’t be an explanation of the multimodal OS, it will show you some of the new features of SLES15 SP1.

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Joël Cattin

Red Hat Enterprise Linux 8 – Stratis

By | Operation systems | No Comments

The Initial Release (8.0.0) of Red Hat Enterprise Linux 8 is available since May 2019. I’ve already blogged about one of its new feature (AppStream) during the Beta version. In this post I will present Stratis, which is a new local storage-management solution available on RHEL8. Introduction LVM, fdisk, ext*, XFS,… there is plenty of terms, tools and technologies available for managing disks and file systems on a Linux server. In a general way, setting…

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Grégory Steulet

Managing Licenses with AWS License Manager

By | Database Administration & Monitoring, Operation systems | No Comments

Introduction Computing environments became more and more agile over these last years. Companies need to provide solutions helping people to quickly set up new resources, starting and stopping them, scaling them according to the need and finally, removing them. In such environments, it could be tricky to follow license compliance when resources are changing on hourly basis. Having a look on AWS services, I saw that AWS provides a license managing tool named “AWS License…

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Jérôme Dubar

Useful Linux commands for an Oracle DBA

By | Database Administration & Monitoring, Operation systems, Oracle | 3 Comments

Introduction Oracle & Linux is a great duet. Very powerfull, very scriptable. Here are several commands that make my life easier. These tools seems to be widespread on most of the Linux distributions. watch with diff It’s my favorite tool since a long time. watch can repeat a command indefinitely until you stop it with Ctrl+C. And it’s even more useful with the – -diff parameter. All the differences since last run are highlighted. For…

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Jérôme Dubar

Patching or reimaging your ODA?

By | Database Administration & Monitoring, Hardware & Storage, Operation systems, Oracle | No Comments

Introduction One of the key features of the ODA (Oracle Database Appliance) is the ability to patch the entire stack every three months, the goal being to keep all the components up-to-date. Most of the customers won’t patch so often, but one patch a year is quite a good average. But when comes the time for patching, comes the time for anxiety for the DBA. And it’s totally justified. Why ODA patching can eventually be…

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Cesare Cervini

How to stop Documentum processes in a docker container, and more (part I)

By | Application integration & Middleware, Entreprise content management, Operation systems | No Comments

Ideally, but not mandatorily, the management of Documentum processes is performed at the service level, e.g. by systemd. In my blog here, I showed how to configure init files for Documentum under systemd. But containers don’t have systemd, yet. They just run processes, often only one, sometimes more if they are closely related together (e.g. the docbroker, the method server and the content servers), so how to replicate the same functionality with containers ? The…

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