Daniel Nachtrub

Kind of likes computers. Linux foundation certified: LFCS / CKA / CKAD / CKS. Microsoft certified: Cybersecurity Architect Expert & Azure Solutions Architect Expert.

pfsense - access ipmi using ipmitool Members Public

Recent versions of pfsense ship with ipmitool. To use it you need to load the kernel module - this guide shows how to do this.

Daniel Nachtrub
Daniel Nachtrub
Linux

Run c# inside powershell Members Public

Powershell is quite powerful already for most purposes. Yet there are times when you need to use features that are not available in powershell directly. An example would be interacting with the OS via DllImports (like Windows API). Luckily, powershell has the ability to compile c# inline using the Add-Type

Daniel Nachtrub
Daniel Nachtrub

Triggering elasticsearch ilm step manually Members Public

Elasticsearch provides an index lifecycle management that will handle traversal of indices through a whole bunch of lifecycle steps. Sometimes you might want to give the ILM a small tap and move to a specific step manually. This guide will explain how this can be done.

Daniel Nachtrub
Daniel Nachtrub
Database

ceph reports "n hosts fail cephadm check" Members Public

One of our ceph clusters entered HEALTH_WARN state with reason "1 hosts fail cephadm check". This guide shows a quick tip how to find out more about this issue.

Daniel Nachtrub
Daniel Nachtrub
Linux

The one when compatible foreign keys are incompatible Members Public

Upgrading our ghost blog ran into issues migrating the database schema. Foreign keys failed with "Referencing column and referenced column in foreign key constraint are incompatible.". Let's fix it.

Daniel Nachtrub
Daniel Nachtrub
Database

Migrating zabbix from mysql to timescaledb - setting up environment Members Public

This series covers migrating a zabbix database from mysql to timescaledb. In this post we're preparing the databases for the migration.

Daniel Nachtrub
Daniel Nachtrub
Container

sudo root shell with autocomplete Members Public

Switching user using sudo results in a limited shell without command completion. Using the right sudo command omits this limit and provides a fully fledged shell.

Daniel Nachtrub
Daniel Nachtrub
Linux

Change BIOSGUID in Hyper-V machines Members Public

Using templated virtual machines on hyper-v comes with some issues if you need to ensure that each VM has a unique identity. This guide will show how you'll assign a unique identity for linux VMs.

Daniel Nachtrub
Daniel Nachtrub
Linux