How to (really) Setup Bacula director on CentOS 7

I’ve seen quite a few examples of “how to setup bacula on CentOS7” and they all stink. Mostly, they’re just re-warmed procedures from CentOS 6 or other distros, and they either don’t work or don’t work well. I’m interested in setting up Bacula in a disaster recovery operation. I cannot afford wrong directions or directions that require elaborate […]

CMake – a short history

In the Beginning, if you wanted to create an executable application in C, you’d run a program that translated C code to assembly language, run an assembler on the translated code, then run a linker to bundle it all up into an executable file. And it was Good. But it was also annoying after a while, so someone […]

Train Wreck. How nemo-desktop trashed both my local machine and the LAN

For some time now, I’ve been having problems where the power-save (suspend) feature of my desktop system has failed to put the machine to sleep. In some cases, in fact, the entire machine became black-screen unresponsive. Examination of the system logs indicated that the suspend function was failing to freeze a number of tasks, thereby aborting the suspend. […]

Creating a Functional Custom CentOS Install DVD

There are several existing How-To’s out on the Internet on the subject of creating a custom CentOS installation DVD/USB storage medium. But unfortunately, actually trying to employ them can be frustrating. So here goes with Yet Another How-To that I hope will fill some of the holes. Why Custom media? Why even bother with a custom install? Why […]

Memory testing on Asus M5A97

Hurricane Michael touched only lightly in Northeast Florida, which was a relief after what Irma did the previous year. However, we weren’t completely unscathed. and the lights did blip and the UPS kicked in, but not soon enough. Thereafter, my desktop machine’s energy-saving modes started acting up. This is a machine that had been swapped with a production […]

Using the Millright CNC machine to make custom printed circuits

Synopsis This is the anchor for what will probably be a whole series of notes on using the Millright CNC machine. This first posting give some overview info about CNCs. Basic info about the Millright CNC The Millright CNC is a Computer Numerical Control machine. It functions much like a 3D printer, except that instead of adding material, […]

DigiSpark ATTiny85 Revisited

Finally got the thing to program. I went and bought some of the semi-bare USB units. All told, I think you can get this device in 4 different forms (or more). Bare chip. Should be easy to program as long as you have the right voltages and drivers. Bare chip-on-a-board. Same as bare chip but it’s on its […]

Quick-printing recipes with a Bluetooth POS Thermal Printer

The problem When I need a break from technology, I garden, growing herbs and the odd vegetable. That seques into cooking with what I’ve grown. I’ve got lots of recipes for lots of cuisines, Mexican, Italian, Indian, English, German, Chinese, the Good Old USA, Panama, the world over. They’re held in many forms, 3×5 index cards, 4×6 index […]

cloud-init “gotcha”

I was putting together a project using The Foreman to spin up and manage Amazon EC2 instances and ran into a problem. I could take an AMI and launch it, but I couldn’t ssh into it. One of the major reasons why this was so was that cloud-init was silently failing and as a result, my ssh key […]

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