Category: Technology

I work in technology sector. And I do round a clock, not only from 9 to 5. It is my bread and butter, it is my hobby, it is the fascination of my life. And with the current rate of change particular in information technology (IT), there is always something new to learn, to try, to talk about. I often post news, thoughts, and reviews. And when I do, this is the category I use.

Where can I find a sample configuration file for mutt email client?

“sample mutt configuration file”
“.muttrc configuration”
“.muttrc configuration files”

There are few sample mutt configuration files (aka muttrc or .muttrc) on Mutt website. Here is a link to the appropriate section of the site. If those are not accessible for any reason, checking /etc/Muttrc on UNIX/Linux hosts might be a good start.

Automatic rotation of images from digital cameras

Some of today’s digital camera have a gravitation sensor built in. With an option in the menu, it is possible to force these cameras to note which way was the camera when the image was taken. Usually, ‘Orientation: ‘ EXIF header is added to the JPEG image. Read on to find out how you can use this information. Continue reading Automatic rotation of images from digital cameras

Calculator at hand

UNIX shell is excellent. The toolbox at hand also never stop to amaze. But sometimes there is this feeling that something is missing. No matter how many tools are there, you’ll still want something special and personalized.

I am pretty often missing the calculator. Of course, there are xcalc and kcalc for graphical interface, but that’s just too slow for something that I should actually do in my head. There is bc(1) for console, but I never liked it for quick stuff. expr(1) is pretty close, but it needs a rather complex syntax like “expr 1 ‘+’ 2”.

Continue reading Calculator at hand

Fix RPM process hanging on a Red Hat Linux installation

Unfortunately, it happens rather often recently that Red Hat Package Manager (rpm) just hangs during some operation. After it does so, rpm stops working completely and even reboot (hehe) doesn’t help. Well, the problem is well known and is in Red Hat’s bugzilla. For now, here is a quick fix for you.

Continue reading Fix RPM process hanging on a Red Hat Linux installation