Let your Floppix terminal speak its mind

That's right, all these guys all around the world worked very hard to make a neat, secure, efficient, good-looking system, and they are giving their work away for everybody to use freely (if you wonder why these guys do such things, drop me an email and I'll try to explain …

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Getting the best out of atq when using Ubuntu

With Linux and open source, IT is now far more transparent to the broader enterprise, helping to better align with general business goals and actually innovate as opposed to just maintaining a status quo. The ease with which you can control the inner workings of Linux is another attractive feature …

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Does fsck sometimes make you feel stupid?

You are not forced into any path you do not choose to follow. Only specifically entered symbols are added into the table, which is built when the kernel is compiled and linked, not every symbol in the kernel is exported to its modules. Select it, and type xterm or konsole …

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Using the tailf tool on Kali

As a result, software developers choose a programming language to create source code based on ease of use, functionality, and comfort level. Everything a good programmer can wish for is available: compilers, libraries, development and debugging tools. How do I write optimal code, and what tricks does Linux provide? This …

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Getting acquainted with OpenGEU

No matter what you do, remember that your actions do make a difference. These applications are not going away anytime soon. I would like to suggest that when choosing passwords, do not make them easy to guess. Hard links allow for complex filesystem structures with multiple pathnames pointing to the …

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Installing on the Hiawatha webserver

As users developed ways around the methods, the methods kept getting progressively harsher, severely punishing casual proprietary software users who had been legally using and paying full price for the software since the beginning. Traditionally, Unix programs have been single-threaded, owing to Unix's historic simplicity, fast process creation times, and …

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Quick and easy fixes using debugfs

Origin of Concept of Free Software The term free software is relatively new. Some distros have them pre-installed, some make them available through their package repositories. This led to the development of the free software movement by Richard Stallman. At this point the kernel is executing on behalf of the …

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The secrets behind addr2line

Each IDE controller can support up to two disks, one the master disk and the other the slave disk. Given that Linus was using several GNU tools (e.g., the GNU Compiler Collection, or GCC), the marriage of the GNU tools and the Linux kernel was a perfect match. And …

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Old school Linux with the repquota utility

According to the Stack Overflow 2016 survey, desktop developers now constitute just 6.9 percent of all developers (and that also includes Mac Desktops). Files can be opened for reading, writing, or both. Once connection has been made, any of the (usually) several browsers available can be used to start …

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How will you make Linux easier to use?

Linux is the best-known and most-used open source operating system. Imagine that a fictitious company, ABC, Inc., buys a piece of soft- ware from a fictitious software vendor, ACME, Inc., to integrate its sales and accounting information with customers via the Internet. In year 2006 approximately 800 Linux malware were …

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Whats the need for vhand in this day and age?

For copying files, for example, you need to download another tool when you use Windows. This can be extremely useful if the output or calculation you require consists of multiple commands, and it will be expected multiple times throughout the script execution. There are several good reasons for becoming familiar …

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How to install help on Ubuntu

ARP is not just restricted to ethernet devices, it can resolve IP addresses for other physical media, for example FDDI. It's basically community version of Red Hat without any fee or support. You can have the same issues with Linux, except most Linux upgrades don't require application reinstalls (and I've …

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Its all about xz

Thus, if one developer obtains and improves the source code of a program, the original author has the right to reject those improvements. Most open source applications have their own communities which are constantly evolving the software thus improving its quality and security. It was unbelievably naive of them to …

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Shortcuts for edquota made easy

In 2013, LinuxCounter.net (http://linuxcounter.net) estimated that the number of Linux users was over 70 million, and Google estimated that over 900 million Linux- based Android devices had shipped to date. In fact, some people say that it is now actually easier to install Linux than to install …

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How to evaluate error messages with less

Users of closed source operating systems must report the bug to the manufacturer and wait for the manufacturer to develop, test, and release a solution to the problem, known as a hot fix. Thus, there is no term free mathematics. Outsource open source software development to O2I and benefit from …

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What's the purpose of the ChangeLog.txt file?

Further complications arise when shared virtual memory is not locked into physical memory. It is the scheduler that must select the most deserving process to run out of all of the runnable processes in the system. Even if you are an aged UNIX guru, what follows is probably of interest …

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Create your own video streaming server with BioKnoppix

Time enough for a soapbox. The application can then trap into the kernel through this well-defined mechanism and execute only code that the kernel allows it to execute. In this case the semaphore clean up code simply discards the sem_undo data structure. Andrew Tannenbaum developed it for teaching purposes and …

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Getting a mail server up and running on Aurora SPARC Linux

In this article we will introduce you to why these accounts are important. In addition, by studying Linux, one is actually simultaneously becoming proficient with all Unix-like operating systems, including the proprietary flavors (i.e., versions) of UNIX such as Solaris and AIX, and Mac OS X (whose underlying operating …

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Shortcuts for ip made easy

Hedging our bets is what this issue of Troubleshooting Professional Magazine is all about. In this case the semaphore clean up code simply discards the sem_undo data structure. Commands run as a result of command substitu- tion ignore the keyboard-generated job control signals SIGTTIN, SIGTTOU, and SIGTSTP. All system times …

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Linux adventures with tar

As a result, most desktop and server Linux systems that run antivirus and anti-malware software today do so because they host files that may be shared with Win- dows computers. The command cd may be run without a location as we saw in the shortcut above but usually will be …

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Open the gates for strip

The API merely defines the interface; the piece of software that actually provides the API is known as the implementation of the API. Most recently, the U.S. Before I became involved in Free Software, I had far different opinions, ideas, and beliefs than I do today. This highly stable …

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Redirecting standard output on the PocketLinux operating system

Linux provides any tools you need as a developer to operate a scalable, secure servers. When Corporations are happy with the used software they donate money to the communities in order to be able to continue their work and developing new versions. Instead, it focuses on user-space system-level programming, that …

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The secret of exit

For example, we can have a container which is a database program. The instructions executed by the processor are very simple; for example ``read the contents of memory at location X into register Y'. After being compiled into machine language, all programs look the same to the computer operating system …

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Booting ClusterKnoppix faster

You can code one version of your software and give it away freely, yet still maintain a commercial version with enhanced features. This tutorial is organised as such, with each section building upon the knowledge and skills learned in the previous sections. Dynamically loading code as it is needed is …

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Linux adventures with bzless

As Fedora is backed by Red Hat, you can expect it to work without issues while development process. Quite the contrary, the artisans and artists who craft software which can be shared, improved, and shared again are building an infrastructure at least as beneficial to society and the economy of …

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Red-bull really does give you wings

If that original deal with Target and Best Buy had worked out, we would have never accepted the next deal, which turned into a long-lasting business relationship that WOODCHUCK is still part of today.

Just as Kevin and I were wondering what to do with the nearly sixty thousand iPad …

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Trish’s story

Trish didn’t make us sign any contracts, which made it seem like we would have been fools to not accept her offer. Shortly after that, we ended up becoming very close. In fact, I thought of her as a sister and mentor at one point. When times got tough …

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How to set up the C++ environment on Ubuntu

What interesting system calls are provided in Linux compared to other Unix variants? One of the ideas behind Open Source software is that users can be co-developers, suggesting how to improve it and helping to find out bugs. Traditionally, Unix programs have been single-threaded, owing to Unix's historic simplicity, fast …

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How exercise helps arthritis

When you suffer from pain and stiffness on a daily basis, exercise might be the last thing you feel like doing. However, exercise should be an important part of everyone’s daily life, especially if you have arthritis, because being inactive increases your risk of being overweight and developing heart …

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Information about Google Analytics

Organic/SEO traffic: This report shows what your SEO traffic was for a time period. It's important to watch trends happening with this. Look as far back to the same time period as last year and see whether there are any seasonality trends or increases/decreases from year to year …

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At the Linux terminal with gettext

It would not be enough to stop here, though. OSS is developed by those people who have a use for it. TCP/IP is so entrenched that Windows implemented it. Shell scripts are not unlike Windows batch files for controlling the system, but a lot more powerful.

Learn how I …

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Create your own video streaming server with VectorLinux

Getting involved with kernel development is, paradoxically, both easier than it seems like it should be, and also ridiculously difficult. These unique addresses are built into each ethernet device when they are manufactured and it is usually kept in an SROM2 on the ethernet card. Different distributions have chosen varying …

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Linux adventures with tar

When job control is not in effect, background jobs (jobs started with &) ignore SIGINT and SIGQUIT. The examples continue, but all hit the same chord: there is no use in preventing the spread of information. It is a synthasisable core and ARM (the company) does not itself manufacture processors. Sed …

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Quick and easy fixes using modprobe

The software that handles or manages a hardware controller is known as a device driver. The platters are attached to a central spindle and spin at a constant speed that can vary between 3000 and 10,000 RPM depending on the model. We can access the database from other programs …

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Has nslookup gone past its sell by date?

The kernel calls the modules initialization routine and, if it is successful it carries on installing the module. The caricatures speak of wizard-like "graybeards" sitting behind glowing green screens, writing C code and shell scripts, powered by old-fashioned, drip-brewed coffee. The importance of Linux to enterprise IT was highlighted very …

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Starting the systemd daemon at boot time

From the inode number, the inode is found. So what do I mean by transparent? As a standard user, you are essentially restricted to working with files of your own creation. bash allows the current readline key bindings to be displayed or modified with the bind built-in command.

How to …

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Background information on login

Behavior changes and features are added. So, the FAT module contains a reference to the VFAT module; the reference was added when the VFAT module was loaded. A way to prevent that is regular updates and only download software, themes and plugns form reliable sources. But, if we each have …

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