There are some really useful commands that can give information about the system directly from the console. Some of them are:
Ever had the need to see what headers a remote web site sends back to you when you request a page with your browser?
This page contains information about how to install Alexandria in Fedora Core. The problem is that this application’s dependencies cannot be satisfied by the usual RPM repositories.
There are times you need to search for a particular string or pattern in multiple text files. This is when grep proves to be a really handy tool. Type:
You can create a multiline text file without using any text editor. This is done like this:
The default console resolution can be changed by passing the “vga=value” parameter from GRUB. You can do this at the boot screen or by editing the /boot/grub/grub.conf file. For example:
Ever had the need to change the console font in fedora? I did because using the default font greek characters were completely unreadable. So, here is how to do it.
SED is powerful. It can, besides many other things, substitute, append, remove characters or groups of characters or whole lines in a text file or the console output. You may find it difficult to use, but here is an excellent web page that will help you get going:
I was reading the Lynx man page the other day and I came across the –dump option. The output of:
I use some custom scripts to store data on my ZIP diskettes. I have a dozen of them and when I insert them into the drive they automatically mount. I like this. The problem is that the mount-point gets its name everytime from the diskette’s label, so I have to make my scripts find out…