Tutorials
Setup Multiple vNICs on an OpenStack-Based Ubuntu 18.04 VM
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
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 Address
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
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
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
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
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
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
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
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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