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Tutorials

Setup Multiple vNICs on an OpenStack-Based Ubuntu 18.04 VM

Setup Multiple vNICs on an OpenStack-Based Ubuntu 18.04 VM

September 14, 2021

Introduction If you need to add a secondary vNIC to an existing OpenStack-based Ubuntu 18.04 virtual machine (VM), here’s a handy guide. There are…

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Setup multiple vNICs on an OpenStack-based CentOS VM

Setup multiple vNICs on an OpenStack-based CentOS VM

September 14, 2021

Introduction Sometimes, you need an external Internet-facing floating IP (FIP) for your existing OpenStack-based CentOS VM with an internal network interface. However, since the…

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Openstack VM Rebuild with Same IP AddressManual OpenStack Backups

Openstack VM Rebuild with Same IP Address

August 28, 2021

Introduction Oops! You accidentally created an ephemeral virtual machine (VM) instead of a volume-backed one! On top of that, it’s already in production and…

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AIDE Ubuntu Installation

AIDE Ubuntu Installation

August 28, 2021

Introduction AIDE is an open-source tool that allows administrators to monitor for any changes made to files and directories on a system. In this…

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MediaWiki Installation on Ubuntu 18.04

MediaWiki Installation on Ubuntu 18.04

August 10, 2021

Introduction MediaWiki is a piece of software that helps organize and collect knowledge on a specific topic and put it all into one place.…

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How to Update LSI9300-8i SAS3008 HBA Controller BIOS and Firmware

How to Update LSI9300-8i SAS3008 HBA Controller BIOS and Firmware

August 10, 2021

Introduction Reference example: LSI9300-8i SAS3008 Sometimes, the BIOS and firmware on your servers’ HBA controllers need to be updated. This is a relatively simple…

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Disabling Auto-Updates on Ubuntu

Disabling Auto-Updates on Ubuntu

August 10, 2021

Introduction When software auto-updates without warning, it can really throw you off. New configurations and updates to features you’re used to can slow you…

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Signal Tips and Tricks

Signal Tips and Tricks

July 29, 2021

Introduction If there was anything we learned while we were all quarantining at home, it’s that all the data we have in our devices…

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Creating and Modifying Grafana Dashboards

Creating and Modifying Grafana Dashboards

July 21, 2021

Introduction A short tutorial that walks you through the basics of creating and modifying a Grafana dashboard. Prerequisites If you haven’t installed Grafana yet,…

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Upgrading Python 2 to 3

Upgrading Python 2 to 3

July 21, 2021

Introduction Keeping up-to-date on your code can be complicated, especially if it’s something you aren’t super familiar with. However, the upgrading process of python2…

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