While i was surfing the net i’ve found this article By Matteo Ferrone about Linux signals, that i want to repost: A signal is an event sent by the kernel to a running program. The signals can arrive at any time and software can choose what to do when it arrives: it can decide to […]
Free reserved space in ext3/ext4 Filesystems
The partitions that contains the ext3 and ext4 filesystems reserve the 5% of the total size of the filesystm by default. The idea here is even when you run out of disk space, the root user should still be able to log in and system services should still run. Without this option, the root user […]
Introduction to zenity
Today i want to show you some examples done with Zenity. Zenity is a cross-platform program that allows the execution of GTK+ dialog boxes in command-line and shell scripts. Like tools such as whiptail and dialog, zenity allows for easy creation of GUIs, though it has fewer features than more complex GUI creation tools: “Other […]
Using cut on linux terminal
Among the commands available from the linux terminal there’s also cut, very useful for processing strings and characters in general. The cut command is one of the oldest Unix command. That means that it is more then 40 years old. And it shows. It is important to understand that this is a Unix command and […]
Record your terminal with Script
The script command is part of the util-linux-ng package and so should be available already installed in any distribution, or you should be able to easily add it. What’s script ? From his man page: Script makes a typescript of everything printed on your terminal. It is useful for students who need a hardcopy […]