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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Running syslogd inside a docker image

The inode is both a physical object, located on disk in Unix-style filesystems, and a conceptual entity, represented by a data structure in the Linux kernel. It may not be the best choice for word processing (or maybe it is -- read on), but many see it as an "ISP in …

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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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Which is the best IDE for Ubuntu?

If these programs actually cost money, you'd probably be able to buy a small house for the money you paid for them. To quit from manual page press q key. Much like the rise of x86, Linux is also helping to bring about new hardware approaches like ARM, an extremely …

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Programming with Zsh on Linux

This modest computer's official Raspbian OS comes loaded with tons of programming tools, connector pins, and other useful ports. To accomplish more complex tasks, tools would simply be connected together, using pipes. For self study it can be useful to have a good introductory book. Organizations today do not need …

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Tips and tricks for using CUPS for printing with Mandriva

A server is a computer with an operating system that is configured to allow other computers to connect to it from across a network. Keep in mind that these are only conventions---not rules. Setting up TCP/IP connections is very different from setting up an amateur radio X.25 connection …

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Using vi/vim rather than emacs

While early drones relied on proprietary operating systems, the boom in drone flight is helped onward by Linux, which provides the tiny embedded operating systems necessary to run many of these devices while allowing for more innovation on top of it. Businesses, educational institutions, governmental agencies and other organizations around …

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A lazy person's guide to env

You need to start from the ground up, choose components, and build a customized operating system that could easily become a great Linux distro for programming and other development purposes. Each filesystem is mounted to a specific location in the namespace, known as a mount point. One who bases his …

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Listen to the radio at the DeLi Linux command line

The IDE disks are controlled by the IDE controller chip and the SCSI disks by the SCSI disk controller chips and so on. The Raspberry Pi, popular with hobbyists and enthusiasts, is Linux-driven and has opened the door for an entire spectrum of IoT devices running Linux. The timer bottom …

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The secrets behind bzdiff

Across the Internet and beyond, anyone with enough know-how has the opportunity to aid in developing and debugging the kernel, porting new software, writing documentation, or helping new users. Likewise, the smallest logically addressable unit on a filesystem is the block. Installation can take a while, depending on the speed …

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Downloading using Gydl

To help bring order to chaos, standards groups codify system interfaces into official standards. Many of the best Linux experts are self taught and do not possess a single computer certification. It needs to be able to support what an IT team requires in the moment and in the future …

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My experience with Oracle Linux

Like the virtual filesystem, Linux abstracts the socket interface with the BSD socket layer being concerned with the BSD socket interface to the application programs which is in turn supported by independent address family specific software. This is especially important if a particularly vital application does not yet exist for …

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How to set up the Delphi environment on Ubuntu

The instructions executed by the processor are very simple; for example ``read the contents of memory at location X into register Y'. The target host that owns the IP address, responds with an ARP reply that contains its physical hardware address. Staff and students in the school have the tcsh …

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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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Understanding the fundamentals of quota

By calling bash executable binary explicitly, the content of our file date.sh is loaded and interpreted as Bash Shell Script. For most users, LILO works best. A block device cannot transfer or access a unit of data smaller than a sector and all I/O must occur in terms …

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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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Downloading using Gwget

This integration would result in efficient administration. Filesystems usually exist physically (i.e., are stored on disk), although Linux also supports virtual filesystems that exist only in memory, and network filesystems that exist on machines across the network. Most processes consist of only a single thread; they are called single-threaded …

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Getting a mail server up and running on Qimo 4 Kids

They will not begin with a slash. In general, failing to agree with the standards is considered a bug. Not all four entries in the partition table have to be used. None other than the system call handler!

Scan the results of parameter expansion

The list goes on. To address …

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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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Can a distro make the difference?

At that time a new generation of computers with proprietary operating systems was introduced, and their vendors required that users sign non-disclosure statements in order to obtain copies of the operating systems. Software running on the CPU must be able to read and write those controlling registers. (To be a …

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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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The best Video player for the command line

A non-zero exit status indicates failure. Linux, on the other hand, builds on the Unix tradition by offering tried-and-true tools. The first IDE controller in the system is known as the primary IDE controller, the next the secondary controller and so on. This means that you cannot DMA directly into …

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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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Using sysdig on Kali Linux

Everyone has a favorite development platform. These registered port addresses can be seen in /etc/services. Another important feature of Linux is that it can run on a variety of different computer hardware platforms frequently found in different companies. The POSIX standard was born in 1988, as well as other …

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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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Troubleshooting hardware problems in SuSE

The other is part of OpenOffice, a full-fledged office productivity suite that is comparable to and compatible with Microsoft Office. Oracle Corporation, another heavyweight in the DBMS industry, recently announced it would be creating a Linux compatible Oracle. Likewise, some minimal restrictions are necessary for free software, namely the GPL …

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The secret of m4

In general, there is a tendency for advocates of the term term free software to emphasize the ideological aspects of software, including the ethical or moral aspects, and they view technical excellence as both a desirable and an unavoidable by-product of their ethical standards. The shell learns immediately whenever a …

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Job control under Freespire

For some small business leaders I've consulted, the human factor is either a notion to be rejected or ignored. For most users, LILO works best. Kerneld is just an agent of the kernel, scheduling work on its behalf. Not often are our basic rights thought of in the context of …

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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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Linux adventures with ypset

Now synonymous with private cloud computing, the OpenStack cloud framework likely would not exist, or at least would be incredibly different, without Linux. According to the Stack Overflow 2016 survey, desktop developers now constitute just 6.9 percent of all developers (and that also includes Mac Desktops). Without Linux as …

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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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Acceptable parameters when the file operation matters

Whenever a VFS inode representing a character special file is created, its file operations are set to the default character device operations . For this reason, it is referred to as Open Source Software (OSS). Rather than having to satisfy a set of needs laid out by a single department head …

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