My worst self-inflicted IT disaster
I've managed to stuff up many times over the more than 50 years I've worked in IT and computer related jobs. Many times it was...
My Journey From Zero to Linux SysAdmin
I never expected that I would be where I am today in my Linux journey especially because I never expected to be training in a...
Making FORTRAN 77 easier to read
If you’re getting started with FORTRAN, add this pretty printer to your programming toolkit.
An Algol 68 Pretty Printer
For Marcel van der Veer, with many thanks for Algol 68 Genie If you pick up a textbook on Algol 68 from the 1970s, such...
The Perfect Programmer
August 10, 2014 I found this little bit of poetry in a pile of very old documents I was sorting through today. It was printed...
A Small Algol 68 Project, Part 3
In memory of J. Kevin Douglas, a good friend and fellow fan of Algol 68 In the previous article in this series, we diverged from...
3 ways to write bugs with FORTRAN 77
Explore old-style FORTRAN programming with Arithmetic IF, Computed GOTO, and Assigned GOTO.
Using a Live USB for Linux recovery
Over the years I've managed to need recovery mode quite a few times. Most of those instances were self-inflicted and provided me with many learning...
Getting Started with SELinux
SELinux was developed by the NSA to provide a highly secure computing environment. True to the GPL, they have made this code available to the rest of the Linux community and it is included as part of nearly every mainstream distribution.
A Small Algol 68 Project, Part 2
In memory of J. Kevin Douglas, a good friend and fellow fan of Algol 68 In the last article in this series, we described a...
About those livesys error messages
Do you see error messages about livesys and livesys-late on the console and in the systemd journal like those in Figure 1? Jul 10 21:38:33...
A Small Algol 68 Project, Part 1
In memory of J. Kevin Douglas, a good friend and fellow fan of Algol 68 In the last article in this series, we looked at...
Fedora Repo issues during updates
As I've been doing updates the last few days, I've noticed a problem with random systems where DNF5 indicates that no updates are available when...
The Linux Philosophy for SysAdmins, Tenet 24—Reality Bytes
Author’s note: This article is excerpted in part from chapter 26 of my book, The Linux Philosophy for SysAdmins, with significant changes to update some...
How to fix unresolvable file conflict errors upgrading or installing software RPMs
I install updates on a pretty regular basis and -- most of the time -- they install without a problem. By updates I mean installation...
The Linux Philosophy for SysAdmins, Tenet 23—Support your Favorite Open Source Project
Author’s note: This article is excerpted in part from chapter 25 of my book, The Linux Philosophy for SysAdmins, with significant changes to update the...