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.
Ok, we all know that to repeat the last command in bash (as well as many other shells) you just need to press the Up key. Sometimes though it is handy to test a command before using it as a subset of a bigger command.
Continue reading Repeat of the last command in bash
We all use gzip-ped tar achrives (.tar.gz) like mad. Sometimes, though, we need to check if the file is in the archive without extracting the whole damn thing on to the poor hard disk :)
Continue reading Check if the file is in the archive
Now, calm down, we are not talking about tar(1) or cpio(1) backups. Sometimes, there is a need to make a temporary copy of a few files and then copy them back to original filenames. Let’s say you have a directory with few config files and you want to copy each config file to filename.orig, and then, later, restore it to the original name. Here is how you can do it… Continue reading Temporary backup of a few files
It is very often that one has a need to rotate a bunch of images by 90 or 180 degrees clockwise or otherwise, or resize the same bunch of images to a certain size. Read more to learn how you can do it.
Continue reading Resizing or rotating a banch of images
Today is the very great day in history! :) I’ve managed to convince gramps to correctly export my family tree into GraphViz format. It did preserve all the names in Unicode, so I just had to install a unicode TrueType Arial font and generate a GIF and PNG. Both of them are now available in the “Family tree” section. And I am off to sleep… first time in the last couple of days. :)