Update Linux from the command line
Be a power user by updating your system from the command line.
Selective updates using ‘dnf’
Here’s how I update my system except for one problem library
How I automate file edits with ‘sed’
Here’s a neat command line trick to make changes to a text file.
Using the dmesg command
As a SysAdmin I frequently need to access the kernel log to obtain information of various types. This can range from searching for why a...
How to get a clean screen — on the command line
After some time using terminal sessions they can get a bit cluttered with previous commands and their output data streams. At other times, I want...
How to do updates on the command line
Keeping your Linux computer as safe as possible from various types of cyber attacks is only possible if you perform updates regularly and upgrade to...
The secrets of the usermod command
Most SysAdmins use a diverse set of commands, but it's usually the same set of commands. And, most frequently, the same set of options for...
Processing files with ‘find’ and ‘xargs’
Here’s how I used ‘find’ and ‘xargs’ to locate the articles I wrote and count the words.
Use ImageMagick to work with images
ImageMagick is a handy multipurpose command-line tool for all your image needs.
How I find and kill rogue programs
As useful and important as Firefox is to my ability to interact with the outside world, create on this website, manage my money, and much...
The dd command — the Disk Destroyer
Yes -- dd -- the disk destroyer. The command that strikes fear into the hearts of SysAdmins everywhere. It did for me, too, until I...
5 Linux commands you should never run (and why)
Sometimes we run into articles on other sites that we wish we'd written. This one on ZDNET is an excellent example. There are some commands...
Searching text files from the command line
The find command is a powerful and flexible tool to locate files under a path.
Heading to the Beach
Tomorrow, Saturday as I write this, we’ll be heading to Atlantic Beach, our current favorite. By then time you read it, we’ll be there enjoying the amazing views including the one in the picture above. We do this every year.
To make my computing life as seamless as possible, I take my laptop. I always sync my home directory from my primary workstation to my laptop, named Voyager3 or vgr3 for short.
Using the screen command for flexibility
You might at first think of “screen” as the device on which your Linux desktop is displayed. That is one meaning. For SysAdmins like us,...