For better or worse, mmcli is pretty much the default mechanism for configuring networking on RHEL8/CentOS8. I cannot as of yet, say I am a fan. However, I have been working with ifconfig files for years and held on to that method of networking configuration until they were dragged from my cold and bloated hands. … Continue reading Nmcli: Working with Linux Bridges on RHEL8/CentOS8

Introduction This document is one that I have created by using multiple sources as reference. Availability Zones Typically used for separating failure domains Availability Zones are the end-user visible logical abstraction for partitioning a cloud without knowing the physical infrastructure. An availability zone is a way in which the user can specify a particular “location” … Continue reading OpenStack Nova – Overview of Host Aggregates and Availability Zones

The step below will update your adapter's firmware. [simterm]# MegaCli -adpfwflash -F mr2108fw.rom -aAll [/simterm] The step below will FORCE update your adapter's firmware. Useful if you need to roll-back to an older firmware. [simterm]# MegaCli -adpfwflash -F mr2108fw.rom -NoVerChk -aAll [/simterm]  

I am not into Minecraft, but my kids are. I decided to local host a small Minecraft server on a RHEL 7 vm.  There are tons of guides on how to install Minecraft on Linux, but I did not find much of anything that details how to get the software to start at boot-time via … Continue reading Linux: How to start a Minecraft server at boot via Systemd