Martin Bach

Resolving slight niggles of Enterprise Manager Express 19c

This page, should I remember I wrote it, hopefully addresses the slight niggles I have with…
Deploying I/O intensive workloads in the cloud: mdadm (aka Software) RAID

The final part of my “avoiding pitfalls with Linux Logical Volume Manager” (LVM) series considers software…
Building a Debian 11 Vagrant Box using Packer and Ansible

Sometimes it might be necessary to create one’s own Vagrant base box for reasons too numerous…
Install the Oracle Cloud Infrastructure CLI on Ubuntu 20.04 LTS

This is a short post on how to install/configure the Oracle Cloud Infrastructure (OCI) Command Line…
Deploying I/O intensive workloads in the cloud: LVM RAID

I recently blogged about a potential pitfall when deploying the Oracle database on LVM (Logical Volume…
Oracle Cloud Infrastructure: using the CLI to manipulate Network Security Groups

I frequently need to update security rules in one of my Network Security Groups (NSG). Rather…
Linux BPFtrace: slightly more advanced use cases involving kprobes

If you look at some of the examples of how to use bpftrace – more specifically…
Deploying I/O intensive workloads in the cloud: don’t fall for the LVM trap

I have been assessing the “best” storage option for Oracle databases deployed on Infrastructure as a…
Do you know perf trace? It’s an almost perfect replacement for strace

Last night while I was working on my POUG 2021 presentation I looked up what’s new…
Do I really have to set resource limits for Oracle in systemd unit files?

TL;DR: it is very much required to set resource limits in systemd unit files. If you’d…