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Learning rsync with ChatGPT

Overview As people play around with ChatGPT, I’ve been seeing all sorts of reactions, and all sorts of things those people are trying. For me, one of the first places I gravitated to was to help m...

Expanding Disk Volumes on Ubuntu

Overview There are times when you need to expand the size of a disk or volume in a virtualized environment, and you’d ideally want to do that without having to move or copy files. This page shows ...

VirtualBox Guest Additions

Overview A key part of using VirtualBox is knowing that there is technology like the “VirtualBox Guest Additions”. What this is, are libraries and drivers that tell the hosted operating system, th...

Installing Ubuntu into VirtualBox on Windows 11

Overview Suppose you want to play around with Linux and maybe you’ve heard people talking about Ubuntu. But you don’t have an extra computer laying around to try it, and you certainly don’t want t...

Install CentOS from ISO

Overview There are several scenarios where you might run a server. In cases like cloud providers (e.g. Digital Ocean, Microsoft Azure, Amazon AWS, etc) - you typically just choose an OS option, an...

Install Ubuntu from ISO

Overview There are several scenarios where you might run a server. In cases like cloud providers (e.g. Digital Ocean, Microsoft Azure, Amazon AWS, etc) - you typically just choose an OS option, an...

Patching and Updating Ubuntu

Overview It’s important to keep your servers patched to the latest, stable version of software. Patching often is risky; patching rarely is risky. There will always be risk. However, Linux patchin...

Installing Ubuntu into VirtualBox on (non-M1) macOS

Overview PLEASE NOTE: This only applies to older, non-M1 Apple hardware. If you attempt this on an M1 device, you’ll get an error during installation that only amd64 processors are supported. ...

Using Launchpad for SSH Keys

Overview Ideally, when you create new servers, you want to turn OFF SSH password authentication and only allow SSH key logins. This eliminates the possiblity of bad-actors trying to brute-force th...

Creating an Ubuntu Cloud Image in ProxMox

Overview If you have ProxMox for a hypervisor, then you are used to creating Virtual Machines by allocating a new machine, attaching the installation media of an operating systems, and then manual...