Category: Linux

By Benjamin Cane

Pink Hat firm Linux Troubleshooting advisor - Benjamin Cane
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Identify, seize and get to the bottom of universal concerns confronted via purple Hat company Linux directors utilizing top practices and complicated troubleshooting techniques.

About This Book
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- strengthen a robust knowing of the bottom instruments on hand inside of purple Hat firm Linux (RHEL) and the way to make use of those instruments to troubleshoot and get to the bottom of real-world issues
- achieve hidden guidance and methods that will help you speedy become aware of the cause of bad network/storage performance
- Troubleshoot your RHEL to isolate difficulties utilizing this example-oriented advisor filled with real-world solutions

Who This e-book Is For
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If you've gotten a simple wisdom of Linux from management or advisor event and want so as to add on your crimson Hat company Linux troubleshooting talents, then this publication is perfect for you. the power to navigate and use easy Linux instructions is expected.

What you'll Learn
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- establish concerns that desire quick answer opposed to long-term root reason analysis
- become aware of instructions for checking out community connectivity akin to telnet, netstat, ping, ip and curl
- Spot functionality matters with instructions comparable to best, playstation , loose, iostat, and vmstat
- Use tcpdump for site visitors analysis
- fix a degraded dossier approach and rebuild a software program raid
- determine and troubleshoot matters utilizing dmesg
- Troubleshoot customized functions with strace and information of Linux source limitations

In Detail
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Red Hat company Linux is an working approach in an effort to modernize your infrastructure, strengthen potency via virtualization, and eventually organize your facts middle for an open, hybrid cloud IT structure. It offers the soundness to tackle today's demanding situations and the flexibleness to conform to tomorrow's demands.

In this publication, you start with uncomplicated troubleshooting top practices and get an summary of the Linux instructions used for troubleshooting. The booklet will hide the troubleshooting equipment for internet purposes and companies equivalent to Apache and MySQL. Then, you are going to learn how to establish method functionality bottlenecks and troubleshoot community matters; all whereas studying approximately very important troubleshooting steps reminiscent of knowing the matter assertion, constructing a speculation, and realizing trial, blunders, and documentation. subsequent, the publication will assist you catch and study community site visitors, use complicated procedure troubleshooting instruments reminiscent of strace, tcpdump & dmesg, and observe universal concerns with process defaults.

Finally, the booklet will take you thru a close root reason research of an unforeseen reboot the place you'll discover ways to get well a downed system.

Style and approach
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This is an easy-to-follow advisor full of examples of real-world center Linux ideas. all of the subject matters are awarded intimately whereas you're appearing the particular troubleshooting steps.

By Carl Albing

Linux is the fastest-growing Java improvement platform since it saves time and money by means of serving as a platform for either improvement and deployment. yet builders face major platform-specific demanding situations while handling and deploying Java purposes in a managed creation surroundings.

Written for Java and Linux builders alike, Java™ program improvement on Linux® is the hands-on consultant to the total Java program improvement lifecycle on Linux.

Determined to spare different builders hours of trial and blunder, Albing and Schwarz display the platform, instruments, and alertness improvement by way of displaying real looking, easy-to-follow examples. After an easy command-line program introduces simple instruments, this software leads readers via business-logic item research, database layout, Java servlet UIs, Java Server Pages (JSP) UIs, Swing GUIs, and conventional Widget Toolkit (SWT) GUIs. Scaling as much as the firm point presents the chance to exploit either the JBoss program Server and the Apache Geronimo software Servers, and firm JavaBeans (EJB).

Readers learn the way to

• Use improvement instruments to be had on Linux, equivalent to the GNU Compiler for Java (gcj), Ant, the NetBeans IDE, IBM's Eclipse Java IDE, JUnit, and SunONE Studio

• Develop company good judgment layers utilizing Java DataBase Connectivity (JDBC)

• Add an internet interface utilizing servlets and JSPs

• Add a GUI utilizing Sun's summary Window Toolkit (AWT) and IBM's SWT

• Deploy EJBs in Linux

The authors finish through demonstrating how a hierarchy of budgets should be created, tracked, and shared with Concurrent models procedure (CVS).

A significant other web site comprises all resource code and a hyperlink to every instrument described.

Java™ software improvement on Linux® can propel you from a status begin to the full-speed improvement and deployment of Java functions on Linux.

By Christian Benvenuti

If you've ever questioned how Linux consists of out the advanced projects assigned to it by way of the IP protocols — or for those who simply are looking to find out about smooth networking via real-life examples — figuring out Linux community Internals is for you.

Like the preferred O'Reilly booklet, knowing the Linux Kernel, this publication truly explains the underlying innovations and teaches you the way to stick with the particular C code that implements it. even though a few history within the TCP/IP protocols is beneficial, you could research greatly from this article in regards to the protocols themselves and their makes use of. And for those who have already got a base wisdom of C, you should use the book's code walkthroughs to determine precisely what this subtle a part of the Linux kernel is doing.

Part of the trouble in knowing networks — and imposing them — is that the initiatives are damaged up and played at many alternative occasions through diverse items of code. one of many strengths of this booklet is to combine the items and exhibit the relationships among far-flung services and information constructions. realizing Linux community Internals is either a big-picture dialogue and a no-nonsense consultant to the main points of Linux networking. themes include:

Key issues of networking

community interface card (NIC) gadget drivers

approach initialization

Layer 2 (link-layer) initiatives and implementation

Layer three (IPv4) projects and implementation

Neighbor infrastructure and protocols (ARP)

Bridging

Routing

ICMP

Author Christian Benvenuti, an working method dressmaker focusing on networking, explains even more than how Linux code works. He indicates the needs of significant networking gains and the trade-offs concerned with deciding on one answer over one other. a number of flowcharts and different diagrams improve the book's understandability

By Matthew Helmke

Ubuntu Unleashed 2015 variation is jam-packed with specified and complex details for everybody who desires to utilize the Linux-based Ubuntu working approach. This new version has been completely revised and up to date by way of a long-time Ubuntu neighborhood chief to mirror the intriguing new Ubuntu 14.10 whereas together with a whole bunch info that might proceed to use to destiny editions.

Former Ubuntu discussion board administrator Matthew Helmke covers all you want to learn about Ubuntu 14.10 deploy, configuration, productiveness, multimedia, improvement, method management, server operations, networking, virtualization, safeguard, DevOps, and more–including intermediate-to-advanced options you won’t locate in the other book.

Helmke offers up to date introductions to Ubuntu’s key productiveness and net improvement instruments, programming languages, help, and extra. You’ll locate new or greater insurance of Ubuntu’s team spirit interface, numerous varieties of servers, software program repositories, database concepts, virtualization and cloud providers, improvement instruments, tracking, troubleshooting, Ubuntu’s push into cellular and different contact display units, and lots more and plenty more.

Detailed info on the way to…

• Configure and customise the solidarity laptop
• Get begun with multimedia and productiveness purposes, together with LibreOffice
• Manage Linux providers, clients, and software program programs
• Administer and run Ubuntu from the command line
• Automate initiatives and use shell scripting
• Provide safe distant entry and configure a safe VPN
• Manage kernels and modules
• Administer dossier, print, electronic mail, proxy, LDAP, DNS, and HTTP servers (Apache, Nginx, or possible choices)
• Learn approximately new techniques for dealing with huge numbers of servers
• Work with databases (both SQL and the most recent NoSQL choices)
• Get began with virtualization
• Build a personal cloud with Juju and Charms
• Learn the fundamentals approximately renowned programming languages together with Python, Hypertext Preprocessor, Perl, and new possible choices akin to cross and Rust
• Learn approximately Ubuntu’s paintings towards usability on touch-screen and contact devices

Ubuntu 14.10 on DVD

DVD comprises the whole Ubuntu 14.10 distribution for sixty four bit pcs (most laptop and notebooks structures at the present time) in addition to the full LibreOffice workplace suite and enormous quantities of extra courses and utilities.

Free Kick begin Chapter!

Purchase this e-book and obtain a loose Ubuntu 15.04 Kick commence bankruptcy after Ubuntu 15.04 is published. See within again hide for details

By Mark G. Sobell

For use with all models of Linux, together with Ubuntu,™ Fedora,™ openSUSE,™ purple Hat,® Debian, Mandriva, Mint, and now OS X, too!

Get extra performed swifter, and develop into a real Linux guru via getting to know the command line!

The most dear Linux instructional and Reference, with hundreds of thousands of top quality Examples for each Distribution–Now Covers OS X and Perl, Too!
 

To be really effective with Linux, you must completely grasp shells and the command line. before, you needed to purchase books to achieve that mastery: an instructional on primary Linux options and methods, plus a separate reference. Now, there’s a better answer. well known Linux specialist Mark Sobell has introduced jointly entire, insightful counsel at the instruments procedure directors, builders, and tool clients want so much, and a very good daily reference, either within the similar book.
 
This e-book is 100% distribution and free up agnostic: you should use it with any Linux approach, now and for years yet to come. Use Macs, too? This re-creation provides entire assurance of the Mac OS X command line, together with crucial OS X-only instruments and utilities different Linux/UNIX books forget about.

Packed with countless numbers of top quality, reasonable examples, this publication offers Linux from the floor up: the clearest motives and most precious wisdom approximately every thing from filesystems to shells, editors to utilities, and programming instruments to average expressions. Sobell has additionally extra an excellent new primer on Perl, an important programming instrument for Linux admins looking to automate advanced, time-consuming tasks.
A useful advisor to Linux® instructions, Editors, and Shell Programming, moment Edition, is the one booklet to deliver
larger, extra practical examples masking initiatives you’ll really want to accomplish
* Deeper perception, according to Sobell’s big wisdom of each Linux and OS X corner and cranny
* A start-to-finish primer on Perl for each process administrator
* In-depth insurance of uncomplicated and complex Linux shell programming with bash and tcsh
* functional causes of a hundred center utilities, from aspell to xargs–including Mac OS X particular utilities from ditto to SetFile
* All-new assurance of automating distant backups with rsync
* Dozens of approach safety counsel, together with step by step walkthroughs of imposing safe communications utilizing ssh and scp
* counsel and methods for customizing the shell and utilizing it interactively from the command line
* entire publications to high-productivity modifying with either vim and emacs * A accomplished, 286-page command reference section–now with revised and elevated indexes for quicker entry to the data you wish
* directions for updating platforms immediately with apt-get and yum * Dozens of workouts that will help you perform and achieve self assurance
* and masses extra, together with assurance of BitTorrent, gawk, sed, find, sort, bzip2, and standard expressions

Praise for the 1st version of a pragmatic advisor to Linux instructions, Editors, and Shell Programming

“First Sobell taught humans the best way to use Linux…now he teaches you the facility of Linux. a must have e-book for a person who desires to take Linux to the subsequent level.”

—Jon “maddog” corridor, govt Director, Linux International

“This e-book is a truly useful gizmo for somebody who desires to ‘look lower than the hood’ in an effort to communicate, and very commence placing the ability of Linux to paintings. What i locate rather problematical approximately guy pages is they by no means comprise examples. Sobell, however, outlines very basically what the command does after which provides a number of universal, easy-tounderstand examples that make it a breeze to begin shell programming on one’s personal. As with Sobell’s different works, this can be basic, straight-forward, and straightforward to learn. It’s a very good ebook and should remain at the shelf at effortless arm’s succeed in for an extended time.”

—Ray Bartlett, commute Writer

“Overall i discovered this publication to be fairly very good, and it has earned a place at the very entrance of my bookshelf. It covers the genuine ‘guts’ of Linux—the command line and its utilities—and does so rather well. Its most powerful issues are the phenomenal use of examples, and the Command Reference part. hugely instructed for Linux clients of all ability degrees. good performed to Mark Sobell and Prentice corridor for this impressive book!”

—Dan Clough, Electronics Engineer and Slackware Linux user

“Totally in contrast to such a lot Linux books, this ebook avoids discussing every thing through GUI and jumps correct into making the facility of the command line your friend.”

—Bjorn Tipling, software program Engineer, ask.com

“This ebook is the easiest distro-agnostic, foundational Linux reference I’ve ever obvious, out of dozens of Linux-related books I’ve learn. discovering this e-book used to be a true stroke of good fortune. as a way to quite know how to get issues performed on the command line, the place the facility and adaptability of unfastened UNIX-like OSes relatively reside, this ebook is one of the most sensible instruments you’ll locate towards that end.”

—Chad Perrin, author, TechRepublic

By Yochai Benkler

[PDF conceal, indexed]

What do Wikipedia, Zip Car’s company version, Barack Obama's presidential crusade, and a small team of lobster fishermen have in universal? all of them exhibit the facility and promise of human cooperation in reworking our companies, our govt, and our society at huge. simply because at the present time, whilst the prices of participating are less than ever sooner than, there aren't any limits to what we will be able to in attaining by means of operating together.

For centuries, we as a society have operated in response to a really unflattering view of human nature:  that, people are universally and inherently egocentric creatures. accordingly, our so much deeply entrenched social constructions – our top-down enterprise versions, our punitive criminal structures, our market-based ways to every thing from schooling reform to environmental rules - were equipped at the premise that people are pushed purely by means of self curiosity, programmed to reply in basic terms to the invisible hand of the loose markets or the iron fist of a controlling government.
 
In the decade, even though, this fallacy has ultimately started to solve, as 1000's of reports performed throughout dozens of cultures have came upon that the majority humans will act way more cooperatively than formerly believed.  the following, Harvard college Professor Yochai Benkler attracts on state-of-the-art findings from neuroscience, economics, sociology, evolutionary biology, political technological know-how, and a wealth of actual global examples to debunk this long-held fantasy and display how we will harness the ability of human cooperation to enhance company methods, layout smarter know-how, reform our financial platforms, maximize volunteer contributions to technology, lessen crime, increase the efficacy of civic hobbies, and extra.
 
For instance, he describes how:
 

   • By development on numerous voluntary contributions, open-source software program groups have built probably the most very important infrastructure on which the realm large internet runs
   • Experiments with pay-as-you-wish pricing within the track exhibit that lovers will voluntarily pay way more for his or her favourite song than fiscal types may ever predic
   • Many self-regulating groups, from the lobster fishermen of Maine to farmers in Spain, dwell inside of self-regulating approach for sharing and allocating communal resources
   • Despite contemporary setbacks, Toyota’s collaborative shop-floor, provide chain, and administration constitution contributed to its meteoric upward push above its American opposite numbers for over 1 / 4 century.
   • Police precincts around the kingdom have controlled to lessen crime in difficult neighborhoods via collaborative, trust-based, group partnerships.
 
A must-read for an individual who desires to comprehend the dynamics of cooperation in twenty first century existence, The Penguin and the Leviathan not just demanding situations such a lot of of the ways that we are living and paintings, it forces us to reconsider our complete view of human nature.

By IBM Redbooks

IBM® has a powerful dedication to Linux as an working method and Linux-based options. This IBM Redbook provides a vast knowing of IBM items and the way they relate to the Linux working method. It attempts to encapsulate the IBM software program options which are to be had for Linux-based servers. It additionally describes the Linux enablement in the course of the IBM product line.

This IBM Redbook bargains adequate info to provide you a high-level knowing of Linux. for this reason, it isn't intended to be a hugely technical record. It additionally offers tips that could additional resources of knowledge. This redbook is meant for IBM representatives, company companions, and buyers who're taken with contemplating and making plans Linux-based software program ideas. you'll find this redbook quite priceless when you are making plans to check or enforce Linux in an enterprise.

By Bill McCarty

Linux is really a safe setting and an outstanding platform to run an online server. those subject matters are one of the coated during this booklet. yet do you know you can even burn CDs, sync a PalmPilot™, and edit slideshow displays with strong instruments on Linux? these subject matters are lined the following, too. purple Hat at present presents distributions, either documented during this ebook. the 1st is their advertisement, subscription-based product, referred to as purple Hat firm Linux and in addition to be had via retail channels as pink Hat expert notebook. the second one is the freely allotted Fedora distribution. The Publisher's version of Fedora is incorporated during this booklet on disks. New during this variation are install directions for crimson Hat firm Linux and Fedora, package deal updating for pink Hat company Linux and Fedora, info at the GRUB bootloader, and the CUPS printer method.

By Dee-Ann LeBlanc

By Olliver M. Schinagl

Leverage the facility of the ARM-based Cubieboard to create remarkable projects

About This Book

• Learn the right way to decide on a improvement board, set up numerous Linux distributions, and positioned them to real-world use
• Understand how one can commence utilizing a Cubieboard for work-related purposes
• Learn tips on how to practice the stairs enthusiastic about construction a method and tailor it in your needs

Who This booklet Is For

If you're at any place from a newbie to a sophisticated person of ARM, who needs to get into the speedily advancing international of improvement forums, comparable to Cubieboard, this is often the e-book for you. even if you're a hobbyist or a qualified, you'll study from this booklet because it teaches you in an easy-to-follow demeanour. No prior ARM event is required.

What you'll Learn

• Differentiate among the various ARM improvement forums in line with the Allwinner A-series of chips
• Connect and speak with a improvement board utilizing a UART interface
• Install Fedora to create a laptop system
• Create a customized rootfs according to Debian or Ubuntu
• Set up a server that runs a variety of prone, corresponding to a dossier and an online server
• Compile the bootloader and the kernel from scratch utilizing a board help package deal (BSP), developing your individual aid package
• Familiarize your self with a few easy digital ideas utilizing Cubieboard, as you progress directly to toggling GPIO pins and making LEDs blink

In Detail

Embedded structures are fascinating simply because they mix enjoyable fields. On one part, there's open resource software program, and at the different facet, there's open resource undefined. yet a bit farther from that, we have now electronics (AVR-microcontrollers), that are very attention-grabbing and enjoyable to paintings with. Cubieboard is a strong unmarried board desktop, just like Raspberry Pi, that helps a number of working platforms, comparable to Ubuntu and Debian.

This ebook will train you every little thing you must learn about undertaking improvement utilizing Cubieboard, no matter if you're not an embedded platform expert.

The publication begins by means of going over the main famous Allwinner improvement forums, is helping you decide a board, and recommends extra required undefined. subsequent, the booklet in brief explains find out how to "talk" to the board. Then, issues begin to get attention-grabbing with the deploy of a machine OS onto an SD card and booting right into a totally graphical laptop method. Concluding this paintings, the final bankruptcy can provide an instance of the way to attach exterior peripherals resembling an LED.