As climate scientists call for a dramatic transformation of the world's economy, a new set of deniers is starting to coalesce around something easier.
Explains how to run command or code in parallel in bash shell on a Linux, macOS, *BSD and Unix-like system using the xargs, parallel and wait commands.
Environmentalists say presumption of global temperature rise to 4C undermines multinational's ability to talk with authority on climate change
'Veteran Unix Admins' fear desktop emphasis is betraying open source
Red Hat has been made aware of a vulnerability affecting all versions of the bash package as shipped with Red Hat products. This vulnerability CVE-2014-6271 could allow for arbitrary code execution. Certain services and applications allow remote unauthenticated attackers to provide environment variables, allowing them to exploit this issue.
This article compares 3 different ways to join tables on a common field. All 3 work OK on small tables, but there's a big difference in speed when the tables to be joined are large, as shown below.
Sometimes the complexity of a relational database system can be overwhelming. Fortunately, that complexity is an advantage, as with MySQL's tools for managing queries. In this tutorial, I will show you how to find and kill any misbehaving MySQL queries. To view the currently-running queries, log in to the MySQL console and run the 'show Continue reading...
A shell script is a computer program designed to be run by the Unix shell, a command line interpreter. It is a text file containing a sequence of shell commands and constructs that perform a routine task. This sequence is
Do you never miss a new strip from xkcd? Read webcomics regularly? Or would you like to back up all the strips of your favorite website? Hopefully, the open source community has the solution: a command line program to download all your favorite webcomics from your terminal. Before we begin, remember that you should keep Continue reading...
The recent concerns raised by the chief executives of BP and Shell, Bob Dudley and Ben van Beurden, about a possible "yes" outcome in the Scottish referendum might seem a bit puzzling given their huge
Shell announced it won't attempt to drill for oil in the Arctic this year -- and that it's "considering its options" in the region.
A today's Facebook page is composed of a mix of sophisticated dynamic content, constantly updated with your latest timeline, your friends' status updates, notifications, online chats, third-party advertisements tailored to your interest, and so on. While this complex mashup may be a result of careful design choices made by Facebook, for us, accessing Facebook is Continue reading...
I am using a bash shell under Ubuntu Linux operating system. Sometime I need to restrict my own Internet bandwidth for all my shell applications such as ftp, sftp, wget, curl and friends. How do I limit the network speed under bash without setting up a complicated firewall and tc rules as described here?
Is there a command or an existing script that will let me view all of a *NIX system's scheduled cron jobs at once? I'd like it to include all of the user crontabs, as well as /etc/crontab, and what...
Marco Fioretti shows you how to use whiptail, a program that lets you create a variety of dialog boxes from a shell script.
Marco Fioretti points out the many time-saving uses of the shell history to help you work more efficiently.
Marco Fioretti wrote a simple script to solve a pesky problem automatically. He shares his method of cleaning up bad folder and file names.
How online protesters are using 'gripe site' as the focus for their complaints about big business. By Russell Hotten