How setquota can help power your webapp

When provided with a relative pathname, the kernel begins the pathname resolution in the current working directory. Linux systems always have a root filesystem. I've been in Free Software for a few years now and learned a ton from it. Modularity is common in nature, and its application to man-made …

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Boost your mastery of hostid with these tips

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 that platform - mostly this means a Microsoft Office equivalent. If, however, that company transitions to Linux …

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Configuring biod in easy steps

By then, much of the GNU operating system had been completed, with the notable exception of a kernel (i.e., the core of the operating system). The device drivers for a class of block device provide class specific interfaces to the class. There is yet one other weakness: if a …

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Creating a COPYRIGHT.TXT file for your distro

Studying in a classroom environment can be the best choice for people who (1) prefer classes to self study, (2) do not have their own computer, (3) are lacking in motivation or study skills or (4) receive some type of tuition assistance or other grants to cover the costs of …

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Succeed with RedHat on Linux

If a developer needs a VM or if IT Ops needs to provision a server, they expect to do so quickly and painlessly; Linux's scalability allows for this rapid provisioning, as does its lack of cost-prohibitive licensing. The Linux command line offers a wealth of power and opportunity. A good …

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Getting to grips with yum on the terminal

The major identifier for the primary IDE controller is 3 and is 22 for the secondary IDE controller. The GPL subsequently became by far the most widely used license for free software. The analogy is also frequently made with recipes for cooking food. Multiple processes are free to read from …

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Docker and Amigo Linux

From there, the kernel gets the inode for plunder. You probably only have one screen, right? The routine will be called when the element on the task queue is processed and it will be passed a pointer to the data. Even when you're programming in another language, the C library …

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Redirecting standard output on the Kubuntu operating system

Another great quality of this dependable Linux distro for developers is its software delivery method. By contrast, most software carries fine print that denies users these basic rights, leaving them susceptible to the whims of its owners and vulnerable to surveillance. Advocating Linux is rarely an easy task. The saved …

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Using the cal tool on Kali

After submitting a contribution using the process described in the documentation, you will need to be available to respond to feedback. The entire Linux kernel was written from scratch, without employing any code from proprietary sources. Instead, the kernel keeps parts of the process resident in memory to allow the …

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System administration commands and daemons

The history of Unix begins at AT&T Bell Labs in the late 1960s with a small team of programmers looking to write a multi-tasking, multi-user operating system for the PDP-7. GNU/Linux increases personal computing freedom. Synchronous jobs started by bash have signals set to the values inherited by …

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Understanding the character limit game

They come in multiple varieties, including the Unix domain socket, which is the form of socket used for communication within the local machine. The GNU C library provides more than its name suggests. The bss section was conceived solely as an optimization for this purpose. Unix systems, however, are dynamic …

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A technical overview of unrar

If the command name contains no slashes, the shell attempts to locate it. The most precious resource in the system is the CPU, usually there is only one. The proto_ops data structure consists of the address family type and a set of pointers to socket operation routines specific to a …

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Create your own video streaming server with DamnSmallLinux

Aliases are expanded when a command is read, not when it is executed. Commands run as a result of command substitu- tion ignore the keyboard-generated job control signals SIGTTIN, SIGTTOU, and SIGTSTP. People who are completely new to open source software often wonder how a group of random people can …

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Succeed with zmore on Linux

This, in turn, allows for the use of the pathnames with which all Unix users are familiar-for example, /home/blackbeard/concorde.png. Figure 5.1 shows that each file data structure contains pointers to different file operation routine vectors; one for writing to the pipe, the other for reading from …

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Getting acquainted with MeeGo

Time enough for a soapbox. It could be argued that its smaller number of vulnerabilities is because of its rarer deployment, but the simplest explanation is that OpenBSD has focused strongly on security - and achieved it better than the rest. The BSD socket layer calls the INET layer socket support …

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Configuration management under Floppix

Othertimes, simply booting the machine can be a chore. The entire Linux kernel was written from scratch, without employing any code from proprietary sources. A process that has terminated, but has not yet been waited upon, is called a zombie. Linux allows you to include device drivers at kernel build …

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The key to success with objdump

If it does not exist, it will allocate a physical page and create a page table entry for it. This means that, when the next module is loaded, it has access to the services of the already loaded modules. The shell executes the specified interpreter on operating systems that do …

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Quick and easy fixes using mail

Developing the core is pretty serious business, involving pretty serious computer science. But the existence and popularity of the Windows Subsystem for Linux (WSL), as well as more recently announced capabilities like the Windows port of Docker, including LCOW (Linux containers on Windows) support, are evidence of the impact that …

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Actionable tips for mastering inotify-tools

This is used by gateways, which respond to ARP requests on behalf of IP addresses that are in the remote network. Many, if not most, PCI modems available on store shelves these days are WinModems. This means that subsequent INET socket calls can easily retrieve the sock data structure. Figure …

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Focus on the outcome when using cdparanoia

It also helps to know how to access the Internet and be able to do basic web searches with a search engine such as Yahoo or Google. Of course, we knew that all along. This means that subsequent INET socket calls can easily retrieve the sock data structure. For example …

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Getting acquainted with Fuduntu

Of course, most system calls have only a couple of parameters. So now you are probably starting to see that we can refer to a location in a variety of different ways. The saved uid stores the original effective uid; its value is used in deciding what effective uid values …

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Running swapper inside a docker image

The Watergate scandal leaked to the press through one of US President Nixon's most trusted colleagues. Device drivers have to be careful when using DMA. By the time I was done, I had actually forgotten how to use my old piece of proprietary garbageware. Linux is open-source.

How much do …

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