Redirecting output with G2Linx

Almost certainly, but it's doubtful that it would maintain the presence that Android currently enjoys in today's consumer market. For the old system timers the timer_active bit mask is check for bits that are set. There are more than enough Linux haters out there to spotlight their dislikes in Linux …

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Is COBOL the best programming language for Linux?

The reality is that not only are more and more businesses and other organizations finding out that Linux can help reduce the costs of using computers, but also that more and more companies are likewise discovering that Linux can also be a great way to make money. Critical mass will …

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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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Learn mesg to further your career

You can also edit boot options on the fly from the GRUB menu. The operating system then uses the computer hardware to perform the tasks required by the applications. These are independently developed pieces of software that work with the kernel in order to function as a complete operating system …

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Compiling your own kernel on Trustix

The command cd may be run without a location as we saw in the shortcut above but usually will be run with a single command line argument which is the location we would like to change into. Thus they are also called built-in commands. Programmers write Linux source code in …

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Getting started with inetd on Arch Linux

Without Linux, IoT would likely simply be too financially draining or require lock-in to a single vendor's stack. Fortunately for us there is an easy to use resource that can inform us about all the great things we can do on the command line. Some such devices are partionable, which …

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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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Learn apropos to further your career

Originally, virtually all software was freely available to copy, use, study, modify, improve and give away. But, as we all know, there are typically many directories on a system. Until Linux came along it was either Windows or Macintosh - take it or leave it. The IP protocol layer itself uses …

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No more mistakes with pushd

When I have unmounted the VFAT partition the system detects that I no longer need the VFAT file system module and removes it from the system. If you can use a computer or other electronic device, you can use Linux. The fact that open source code offers complete transparency acts …

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A simple guide to pmap

Institutions that rely solely on commercial-proprietary vendors - whether on-premises or cloud-based - effectively outsource their IT strategy and reduce their capability to deal with change with agility. The exact wording of a recipe as it is written by its author is protected under copyright law, but the information itself (i.e …

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Getting C++ and Fuduntu to play nicely

For example, a process may have to wait for a character to be read from a file. Still, this survey does compare Windows 2000, GNU/Linux (up to 497 days usually), FreeBSD, and several other OSes, and FLOSS does quite well. The Base Image is an initial image which contains …

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Compiling your own kernel on Asianux

Share your personal experiences (good and bad) with Linux. They represent a totally different way of producing software that opens up every aspect of development, debugging, testing, and study to anyone with enough interest in doing so. Purchasing your own digital signature key can be expensive, and somewhat cumbersome if …

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Adventures with column and Arch

Well some software gives you access to the source code, such as Free and Open Source Software (FOSS) which ensures that you can know (or get checked) what exactly a piece of software will do. Free Software isn't written by machines; it is written by countless individuals that give up …

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Minimize speed when using your first file modifier

When I have unmounted the VFAT partition the system detects that I no longer need the VFAT file system module and removes it from the system. If no output_file is supplied, output goes to stdout. The INET socket layer supports the internet address family which contains the TCP/IP protocols …

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Getting the best out of install when using Ubuntu

The installation and setup process of this Linux distro for programmers is almost just like Fedora. For some small business leaders I've consulted, the human factor is either a notion to be rejected or ignored. Perhaps it will become easier to provide a better answer to the debate among free …

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Watch YouTube videos at the PocketLinux terminal

This software universe had been going on behind my back for years. These common interfaces mean that the kernel can treat often very different devices and their device drivers absolutely the same. As a system programmer, you usually do not need any knowledge of how the kernel handles system call …

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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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Getting acquainted with Mandriva Linux

So, /dev/hda2, the second partition of the primary IDE disk has a major number of 3 and a minor number of 2. A CIO does not want to be guessing whether or not a given ISV application will work on their Linux distribution of choice; he or she NEEDS …

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Focus on the outcome when using ping

In this article we will introduce you to why these accounts are important. Whenever a process has to wait the operating system takes the CPU away from that process and gives it to another, more deserving process. If you love the rolling Linux distributions (here are some fixed vs rolling …

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A simple guide to cardctl

Institutions that invest in open source software as part of an institutional mixed software economy that includes open source retain the flexibility to adapt to changed circumstances and challenges. When new users encounter Linux, they often have a few misconceptions and false expectations of the system. Most of the malware …

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No more mistakes with touch

The thorough and col- laborative open source approach to testing software and fixing software bugs increases the stability of Linux; it is not uncommon to find a Linux system that has been running contin- uously for months or even years without being turned off.Security, a vital concern for most …

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Instance names should not be specified when using at

Indeed, in the case of Linux-based cash registers, it would in all likelihood be a security risk to release the code to a wide audience. he Linux terminal is superior to use over Window's command line for developers. The API user (generally, the higher-level software) has zero input into the …

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Programming with Python on Ubuntu Kylin

The world economy will not collapse if creators of software choose to share their work with the world. Running a UNIX system is not an easy task, not even for commercial versions of UNIX. Open source software isn't free from cost, of course. Make use of this command often so …

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Understanding the fundamentals of gawk

Its vast package database and supportive community is another plus point. This means that if a system has two IDE controllers there will be entries for the IDE subsystem at indices at 3 and 22 in the blk_dev and blkdevs vectors. Most of the time you will be issuing commands …

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How logname can help power your webapp

Slackware includes LILO and Loadlin for booting Slackware Linux. Instead, Linux aims toward compliance with two of the most important and prevalent standards: POSIX and the Single UNIX Specification (SUS). It is as old as computers themselves. When the systems running our voting is proprietary or closed, it means that …

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How to set up the Perl environment on Ubuntu

It may use the API as-is, or not use it at all: take it or leave it! The device identifier for /dev/hdb, the slave IDE drive on the primary IDE controller is (3,64). awk is actually a programming language designed particularly for text manipulation, but it is widely …

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Never mess with apropos and here's the reason why

The second essential factor for a positive and efficient conversion to Linux is directly related to the Hardware Factor. When the last process sharing the memory detaches from it, the pages of the shared memory current in physical memory are freed, as is the shmid_ds data structure for this shared …

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How to install seq on Ubuntu

Sustainable technologies are about ensuring access to knowledge forever. Traditionally, all Unix programming was system-level programming. Critical mass will be reached when people are given a CD that they can install just as easily as Windows and will provide them with all the tools that they are accustomed to on …

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A simple guide to dnssec-makekeyset

Currently, in Distrowatch's past 6 months ranking, it sits at #3. Linux clearly needed a better filesystem! Named pipes act like regular pipes but are accessed via a file, called a FIFO special file. You can interpret the answer into the GUI tool of your choice.

Fundamentals of dpkg

A …

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How to install ddrescue on Ubuntu

If the kernel handles the signals, it will do the default actions required for this signal. The target host that owns the IP address, responds with an ARP reply that contains its physical hardware address. First, arrow to the boot option that you want to modify, and then press the …

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No more mistakes with dd

A vi-style line editing interface is also available. So that modules can use the kernel resources that they need, they must be able to find them. The GNU C library provides more than its name suggests. The operations performed may cause the processor to stop what it is doing and …

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Where to get more detail on git

When there are no more characters left to read, the device returns end-of-file (EOF). On GNU/Linux systems a file command can be used to identify a type of the file. Unlike most other operating systems, Linux is freely developed and continu- ously improved by a large community of software …

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Minimize speed when using your first accepted version

Hard links allow for complex filesystem structures with multiple pathnames pointing to the same data. You may need to go through several rounds of resubmission and additional feedback before your code is accepted, and in some cases it may be rejected. Share your personal experiences (good and bad) with Linux …

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Is Pantheon the best windows manager for Linux?

In either case, the kernel simply resolves the pathname to the correct inode. Users are expected to shell out cash and more cash for each "feature" Microsoft decided to throw their way. Compare this to a floppy disk which only spins at 360 RPM. It is a synthasisable core and …

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Get rid of declare once and for all

The default action for the SIGFPE signal will core dump the process and then cause it to exit. Any of the bytes within a file may be read from or written to. Through virtual memory and paging, the kernel allows many processes to coexist on the system, each operating in …

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The importance of psmisc on the Rasberry Pi

Processes are generally associated with a user's login group, not any of the supplemental groups. Sometimes the DMA channel for a device can be set by jumpers; a number of ethernet devices use this technique. In user space, Linux implements threads in accordance with POSIX 1003.1c (known as Pthreads …

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Getting started with syslogd on Arch Linux

Unlike Windows, Linux requires each user to have an account. Linux keeps looking through the pending list from the start until there is a pass where no semaphore operations can be applied and so no more processes can be woken. Effectively, they define system programming, or at least a common …

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Does it run under KDE on the Linux Lite distro?

An alternative to purchasing a Linux book is to borrow one (or many) from a library; it is likely that some of them will also contain CDROMs that can be used to install Linux. And the vast profits being amassed by some of those corporations added to the frustration. Instead …

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