With the article regarding Doudou Linux i’ve discovered this software to filter content of Web Pages: Dans Guardian.
Doudou linux uses it to filter “naughty content” for childrens, but the potential of this software are many, for example it can remove advertising or check for viruses.
Small tip of the day: Sometimes you need to run a program via cron or command line, but the important is that the program should not run if another istance it’s already active.
Or perhaps you have a process that every X minutes or hours crash and you need a wrapper that check for it’s existence and if not running restart it.
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Thanks to a message on identi.ca I ve saw this program usable from the command line that allows you to easily create custom desk calendars, marked with the dates that interest you and with the ability to add pictures to one (or more) special days.
I’m talking of pcal shipped with anothe calendar programming lcal
PCAL and LCAL are calendar-generation programs which produce nice-looking PostScript output.
One element that is often not know, or that should be measured after a problem statement or after a change in the infrastructure is the network . But how do you accurately measure the speed between two servers?
Someone use ftp, scp or other file transfer protocols, these can give some indication, but probably you’ll measure the limit of your disks or CPU.
In this article I will show you 3 way to measure the bandwidth from the command line, without using the disks.
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Awk has always been for me a source of great hatred and love, isan incredibly powerful command with which it is possible to build real programs.
In this article I will give you 6 examples ready for use with your preferred terminal.
AWK is a data driven programming language designed for processing text-based data, either in files or data streams. It is an example of a programming language that extensively uses the string datatype, associative arrays (that is, arrays indexed by key strings), and regular expressions.