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Deadlock Detection and Recovery in Linux

  • Author : Vinita Sopan Kondhalka
  • Publisher :
  • Release Date :2011
  • Total pages :76
  • ISBN :

Summary : A deadlock occurs when there is a cyclic dependency between two or more threads, or processes, for some set of resources within operating system environment. A set of processes is deadlocked if each process is waiting for an event that only another process in the set can cause. My thesis aims at creating a tool, which can be used by an application developer for detecting the occurrence of a deadlock. It also helps the developer in analyzing the cause of deadlock, since the project provides him with information, such as the deadlocked processes and the resources causing it. The developer can also view the log file, which is generated by this tool to study the sequence of events, such as locking or unlocking of the resources. The outline of the project is as follows: A wrapper function dd_semop has been developed around the system call semop. An application program has to include a header file "libdeadlock.h" in order to use this wrapper functionality. A daemon process has also been developed dl_mgmt, which carries out the major functionality for deadlock detection and recovery. The wrapper function communicates with the daemon process, which runs in the background and actually verifies whether a lock can be granted or not and communicates back the possibility of a deadlock. Once the tool provides the output and depending on the users feedback to it, the tool provides a mechanism to continue execution without deadlock. Thus, this research project provides a comprehensible tool to study and manage deadlocks in a Linux flavor known as Fedora. Deadlock is thus a potential problem. Timely detection of deadlock and its cause are essential for resolving the error and maintaining forward progress.

Systems Programming in Unix/Linux

  • Author : K.C. Wang
  • Publisher :
  • Release Date :2018-08-27
  • Total pages :452
  • ISBN : 331992429X

Summary : Covering all the essential components of Unix/Linux, including process management, concurrent programming, timer and time service, file systems and network programming, this textbook emphasizes programming practice in the Unix/Linux environment. Systems Programming in Unix/Linux is intended as a textbook for systems programming courses in technically-oriented Computer Science/Engineering curricula that emphasize both theory and programming practice. The book contains many detailed working example programs with complete source code. It is also suitable for self-study by advanced programmers and computer enthusiasts. Systems programming is an indispensable part of Computer Science/Engineering education. After taking an introductory programming course, this book is meant to further knowledge by detailing how dynamic data structures are used in practice, using programming exercises and programming projects on such topics as C structures, pointers, link lists and trees. This book provides a wide range of knowledge about computer systemsoftware and advanced programming skills, allowing readers to interface with operatingsystem kernel, make efficient use of system resources and develop application software.It also prepares readers with the needed background to pursue advanced studies inComputer Science/Engineering, such as operating systems, embedded systems, databasesystems, data mining, artificial intelligence, computer networks, network security,distributed and parallel computing.

Operating Systems

  • Author : Stuart E. Madnick
  • Publisher :
  • Release Date :1986
  • Total pages :639
  • ISBN : 9788184315622

Summary :

Operating System Concepts and Basic Linux Commands

  • Author : Shital Vivek Ghate
  • Publisher :
  • Release Date :
  • Total pages :192
  • ISBN :

Summary : This book contains the introductory information about the operating system and the basics of Linux commands for graduation level studies. This book provides the concepts of operating system. It contains the fundamental concepts which are applicable to various operating systems. Unit-I explains what is operating system and how the concepts of operating system has developed, contains resource management, structure of operating system, services provided by operating system, types of operating systemit contains the common features of the operating system. Unit- II and III deals with the internal algorithm and structure of operating system, it contains Process concept, Process State, Threads, Concurrent process, CPU scheduling, Scheduling Algorithms. They provide a firm practical understanding of the algorithm used. Unit-IV contains File Concept, Operations on Files, Types of files, Access Methods, Allocation methods, Directory structure, Structure of Linux Operating System.Unit- V contains Shell related operations and basic Linux commands like Changing the running shell, Changing the shell prompt, Creating user account, Creating alias for long command, Input/output Redirection, Redirecting Standard Output/Input, Pipe lines, Filters, ls, cat,wc,, Manipulating files and directories using cp, mv, rm, pwd, cd, mkdir, rmdir commands, vi Editor, Compressing files (gzip, gunzip commands), Archiving Files( tar), Managing disk space: df, du, Changing Your Password, File access permissions, Granting access to files: (chmod command), Creating group account, Communication commands like who, who I am, mesg, write, talk, wall.

Operating Systems

  • Author : I.A.Dhotre
  • Publisher :
  • Release Date :2009
  • Total pages :476
  • ISBN : 9788184314953

Summary :

Operating System (For Anna)

  • Author : Rohit Khurana
  • Publisher :
  • Release Date :2011
  • Total pages :331
  • ISBN : 8125942424

Summary : Operating System is an insightful work that elaborates on fundamentals as well as advanced topics of the discipline. It offers an in-depth coverage of concepts, design and functions of an operating system irrespective of the hardware used. With neat illustrations and examples and presentation of difficult concepts in the simplest form, the aim is to make the subject crystal clear to the students, and the book extremely student-friendly.

Pro Oracle Database 11g RAC on Linux

  • Author : Julian Dyke,Steve Shaw,Martin Bach
  • Publisher :
  • Release Date :2011-01-11
  • Total pages :840
  • ISBN : 1430229594

Summary : Pro Oracle Database 11g RAC on Linux provides full-life-cycle guidance on implementing Oracle Real Application Clusters in a Linux environment. Real Application Clusters, commonly abbreviated as RAC, is Oracle’s industry-leading architecture for scalable and fault-tolerant databases. RAC allows you to scale up and down by simply adding and subtracting inexpensive Linux servers. Redundancy provided by those multiple, inexpensive servers is the basis for the failover and other fault-tolerance features that RAC provides. Written by authors well-known for their talent with RAC, Pro Oracle Database 11g RAC on Linux gives you a rock-solid and technically flawless foundation on which to build your RAC-management skills. Authors Julian Dyke and Steve Shaw share their hard-won experience in building RAC clusters, showing you how to build for success using the very latest Oracle technologies, such as Automatic Storage Management (ASM) and Oracle Clusterware. You’ll learn to troubleshoot performance and other problems. You’ll even learn how to correctly deploy RAC in a virtual-machine environment based upon Oracle VM, which is the only virtualization solution supported by Oracle Corporation. RAC is a complex and powerful technology. It demands expertise in its deployment. You can’t just “wing it” in creating a RAC solution. Julian and Steve have earned the right to term themselves expert—in Pro Oracle Database 11g RAC on Linux, they offer a rigorous and technically-correct treatment of RAC that helps you build a solid foundation of expertise and achieve success. Rigorous and technically accurate content Complete coverage of RAC, from planning to implementation to rollout to ongoing maintenance and troubleshooting Up-to-date with the very latest RAC features

Hands on Operating System - 1500 HARD CORE MCQ E-BOOK

  • Author : Harry Chaudhary.
  • Publisher :
  • Release Date :2018-08-15
  • Total pages :267
  • ISBN : 0359030203

Summary : Our 1500+ Operating Systems questions and answers focuses on all areas of Operating Systems subject covering 100+ topics in Operating Systems. These topics are chosen from a collection of most authoritative and best reference books on Operating Systems. One should spend 1 hour daily for 15 days to learn and assimilate Operating Systems comprehensively. This way of systematic learning will prepare anyone easily towards Operating Systems interviews, online tests, examinations and certifications. You can watch basic Operating Systems video lectures by visiting our YouTube channel IT EXAM GURUJI. Highlights ------------  1500+ Basic and Hard Core High level Multiple Choice Questions & Answers in Operating Systems with explanations.  Prepare anyone easily towards Operating Systems interviews, online tests, Government Examinations and certifications.  Every MCQ set focuses on a specific topic in Operating Systems. Who should Practice these Operating Systems Questions?  Anyone wishing to sharpen their skills on Operating Systems.  Anyone preparing for aptitude test in Operating Systems.  Anyone preparing for interviews (campus/off-campus interviews, walk-in interview & company interviews)  Anyone preparing for entrance examinations and other competitive examinations.  All – Experienced, Freshers and Students. Inside- ------- Operating System Basics -----------------------------------------------------------------------6 Processes ----------------------------------------------------------------------------------------- 8 Process Control Block--------------------------------------------------------------------------10 Process Scheduling Queues----------------------------------------------------------------- 12 Process Synchronization----------------------------------------------------------------------15 Process Creation------------------------------------------------------------------------------- 17 Inter Process Communication---------------------------------------------------------------19 Remote Procedure Calls-----------------------------------------------------------------------21 Process Structures------------------------------------------------------------------------------23 CPU Scheduling----------------------------------------------------------------------------------26 CPU Scheduling Benefits----------------------------------------------------------------------28 CPU Scheduling Algorithms I --------------------------------------------------------------- 31 CPU Scheduling Algorithms II ---------------------------------------------------------------34 Critical Section (CS) Problem and Solutions- --------------------------------------------37 Semaphores I -----------------------------------------------------------------------------------39 Semaphores II ----------------------------------------------------------------------------------43 The Classic Synchronization Problems----------------------------------------------------46 Monitors------------------------------------------------------------------------------------------49 Atomic Transactions---------------------------------------------------------------------------51 Deadlock -----------------------------------------------------------------------------------------54 Deadlock Prevention---------------------------------------------------------------------------56 Deadlock Avoidance ---------------------------------------------------------------------------59 Deadlock Detection ----------------------------------------------------------------------------63 Deadlock Recovery-----------------------------------------------------------------------------65 Memory Management –Swapping Processes I -----------------------------------------67 Memory Management – Swapping Processes II -------------------------------------- 70 Memory Management ---------------------------------------------------------------------- 73 Memory Allocation I ------------------------------------------------------------------------- 75 Memory Allocation II --------------------------------------------------------------------------78 Paging – I -----------------------------------------------------------------------------------------80 Paging – II ----------------------------------------------------------------------------------------83 Segmentation------------------------------------------------------------------------------------86 I/O System – Application I/O Interface – I -----------------------------------------------89 I/O System – Application I/O Interface – II ----------------------------------------------92 I/O System – Kernel I/O Subsystems ------------------------------------------------------95 RTOS ----------------------------------------------------------------------------------------------97 Implementing RT Operating Systems -----------------------------------------------------99 Implementing RT Operating Systems ----------------------------------------------------101 Real Time CPU Scheduling – I --------------------------------------------------------------103 Real Time CPU Scheduling – II -------------------------------------------------------------106 Multimedia Systems -------------------------------------------------------------------------108 Multimedia System – Compression – I --------------------------------------------------110 Multimedia System – Compression – II--------------------------------------------------113 Multimedia System – Compression – III-------------------------------------------------115 CPU and Disk Scheduling -------------------------------------------------------------------117 Network Management ----------------------------------------------------------------------119 Security – User Authentication -----------------------------------------------------------122 Security – Program and System Threats-------------------------------------------------125 Security – Securing Systems and Facilities ---------------------------------------------129 Security – Intrusion Detection ------------------------------------------------------------132 Security – Cryptography --------------------------------------------------------------------135 Secondary Storage ---------------------------------------------------------------------------137 Linux ---------------------------------------------------------------------------------------------139 Threads -----------------------------------------------------------------------------------------141 User and Kernel Threads -------------------------------------------------------------------143 Multi Threading Models --------------------------------------------------------------------146 The Fork and exec System Calls -----------------------------------------------------------148 Thread Cancellation -------------------------------------------------------------------------150 Signal Handling -------------------------------------------------------------------------------152 Thread Pools ----------------------------------------------------------------------------------155 Virtual Memory -------------------------------------------------------------------------------157 Virtual Memory – Demand Paging -------------------------------------------------------159 Page Replacement Algorithms – I- -------------------------------------------------------162 Page Replacement Algorithms – II--------------------------------------------------------165 Allocation of Frames -------------------------------------------------------------------------168 Virtual Memory – Thrashing ---------------------------------------------------------------171 File System Concepts ------------------------------------------------------------------------174 File System Implementation----------------------------------------------------------------176 File System Interface Access Methods – I-----------------------------------------------178 File System Interface Access Methods – II----------------------------------------------180 File System Interface Directory Structure – I-------------------------------------------182 File System Interface Directory Structure – II------------------------------------------185 File System Interface Mounting and Sharing ------------------------------------------188 File System Interface Protection ----------------------------------------------------------191 File System ImplementationAllocation Methods – I----------------------------------194 File System Implementation–Allocation Methods – II-------------------------------197 File System Implementation–Allocation Methods – III------------------------------200 File System Implementation – Performance - -----------------------------------------203 File System Implementation – Recovery -----------------------------------------------205 File System Implementation – Network File System –I------------------------------207 File System Implementation – Network File System –II---------------------------- 209 I/O Subsystem ---------------------------------------------------------------------------------211 Disk Scheduling – I----------------------------------------------------------------------------213 Disk Scheduling – II---------------------------------------------------------------------------215 Disk Management ----------------------------------------------------------------------------218 Swap Space Management ------------------------------------------------------------------220 RAID Structure – I-----------------------------------------------------------------------------223 RAID Structure – II----------------------------------------------------------------------------226 Tertiary Storage -------------------------------------------------------------------------------229 Protection – Access Matrix -----------------------------------------------------------------231 Protection Concepts -------------------------------------------------------------------------235 Security -----------------------------------------------------------------------------------------237 Memory Protection --------------------------------------------------------------------------239 Protection – Revocation of Access Rights ----------------------------------------------242 Distributed Operating System -------------------------------------------------------------245 Types & Resource Sharing - ----------------------------------------------------------------247 D-OS Network Structure & Topology - --------------------------------------------------250 Robustness of Distributed Systems ------------------------------------------------------252 Distributed File System – I------------------------------------------------------------------254 Distributed File System – II-----------------------------------------------------------------256 Distributed File System – III----------------------------------------------------------------258 Distributed Coordination -------------------------------------------------------------------260 Distributed Synchronization ---------------------------------------------------------------263

DB2 Universal Database V8 for Linux, UNIX, and Windows Database Administration Certification Guide

  • Author : George Baklarz,Bill Wong
  • Publisher :
  • Release Date :2003
  • Total pages :883
  • ISBN : 9780130463616

Summary : DB2 Universal Database v8 builds on the world's #1 enterprise database to simplify anytime/anywhere information integration, streamline management, automate resource tuning, enhance business intelligence, and maximize performance, scalability, and reliability. Now, IBM offers complete, start-to-finish coverage of DB2 Universal Database v8 administration and development for UNIX, Linux, and Windows platforms... "and authoritative preparation for IBM's newest DB2 certification exam." This definitive reference and self-study guide covers every aspect of deploying and managing DB2 Universal Database v8, including best practices for DB2 database design and development; day-to-day administration and backup; expert techniques for deploying networked, Internet-centered, and XML-based database applications; migrating to DB2 UDB v8; and much more.You'll also find an unparalleled collection of IBM tips and tricks for maximizing the performance, availability, and value of any database system. Coverage includes: Manageability and serviceability enhancements, including new tools for storagemanagement and monitoring database health Performance improvement withmultidimensional clustering, enhanced prefetching, threading of Java UDFs and storedprocedures, and materialized query tables New Setup wizards, configuration assistants, GUItools, and DB2 Administration Server (DAS) improvements Availability andscalability enhancements New DB2 v8 Replication and Data Warehouse Centers Major improvements for developers, including SQL, XML, JDBC, and CLIenhancements Whether you're a DBA, a developer, a DB2 certification candidate, or all three, "DB2Universal Database v8 for Linux, UNIX, and Windows Database AdministrationCertification Guide" is the one book you can't afford to be without. Straight from IBM, the ultimate guide to running DB2 v8 and preparing for IBM's latest DB2certification exam! In-depth coverage of DB2 v8 database administration and development Covers new DB2 v8 enhancements in manageability, serviceability, reliability, availability, and performance Contains in-depth coverage of new DB2 v8 tools, including the Replication, Data Warehouse, and Development Centers Presents expert tips and best practices from IBM's own DB2 customer support organization About the CDThe CD-ROM included with this book contains a complete trial version of DB2 UDB V8Personal Edition, plus the DB2DEMO program to help explore the many features of DB2.

Operating Systems

  • Author : William Stallings
  • Publisher :
  • Release Date :2009
  • Total pages :822
  • ISBN : 0136006329

Summary : For a one-semester undergraduate course in operating systems for computer science, computer engineering, and electrical engineering majors. Winner of the 2009 Textbook Excellence Award from the Text and Academic Authors Association (TAA)! Operating Systems: Internals and Design Principles is a comprehensive and unified introduction to operating systems. By using several innovative tools, Stallings makes it possible to understand critical core concepts that can be fundamentally challenging. The new edition includes the implementation of web based animations to aid visual learners. At key points in the book, students are directed to view an animation and then are provided with assignments to alter the animation input and analyze the results. The concepts are then enhanced and supported by end-of-chapter case studies of UNIX, Linux and Windows Vista. These provide students with a solid understanding of the key mechanisms of modern operating systems and the types of design tradeoffs and decisions involved in OS design. Because they are embedded into the text as end of chapter material, students are able to apply them right at the point of discussion. This approach is equally useful as a basic reference and as an up-to-date survey of the state of the art.

Operating Systems and Middleware

  • Author : Max Hailperin
  • Publisher :
  • Release Date :2007
  • Total pages :474
  • ISBN : 0534423698

Summary : By using this innovative text, students will obtain an understanding of how contemporary operating systems and middleware work, and why they work that way.

Inside Linux

  • Author : Randolph Bentson
  • Publisher :
  • Release Date :1996
  • Total pages :291
  • ISBN : 9780916151898

Summary :

Linux, Apache, MySQL, PHP Performance End to End

  • Author : Colin McKinnon
  • Publisher :
  • Release Date :2015-01-10
  • Total pages :368
  • ISBN : 1311044744

Summary : LAMP Performance End To End is a guide to delivering great page speed while reducing server load and increasing capacity. The book covers the entire journey of data from your server's disk to the mind of the end-user explaining the critical bottlenecks along the way and providing practical solutions to performance problems. Discover how SaaS/backoffice systems need a different performance strategy from public facing websites what the (currently undocumented) Zend Opcode Optimizer flags actually do how to automate content optimization how to tune your TCP stack for mobile clients which MySQL architecture is right for you and more. 112,000 words Links to 240 web published articles and videos 368 pages (PDF version)

IBM Power Systems 775 for AIX and Linux HPC Solution

  • Author : Dino Quintero,Kerry Bosworth,Puneet Chaudhary,Rodrigo Garcia da Silva,ByungUn Ha,Jose Higino,Marc-Eric Kahle,Tsuyoshi Kamenoue,James Pearson,Mark Perez,Fernando Pizzano,Robert Simon,Kai Sun,IBM Redbooks
  • Publisher :
  • Release Date :2014-03-04
  • Total pages :358
  • ISBN : 073843731X

Summary : This IBM® Redbooks® publication contains information about the IBM Power SystemsTM 775 Supercomputer solution for AIX® and Linux HPC customers. This publication provides details about how to plan, configure, maintain, and run HPC workloads in this environment. This IBM Redbooks document is targeted to current and future users of the IBM Power Systems 775 Supercomputer (consultants, IT architects, support staff, and IT specialists) responsible for delivering and implementing IBM Power Systems 775 clustering solutions for their enterprise high-performance computing applications.

Operating Systems Concepts with Java

  • Author : Abraham Silberschatz,Greg Gagne,Peter B. Galvin
  • Publisher :
  • Release Date :2004
  • Total pages :952
  • ISBN :

Summary : * New edition of the bestseller provides readers with a clear description of the concepts that underlie operating systems * Uses Java to illustrate many ideas and includes numerous examples that pertain specifically to popular operating systems such as UNIX, Solaris 2, Windows NT and XP, Mach, the Apple Macintosh OS, IBM's OS/2 and Linux * Style is even more hands-on than the previous edition, with extensive programming examples written in Java and C * New coverage includes recent advances in Windows 2000/XP, Linux, Solaris 9, and Mac OS X * Detailed case studies of Windows XP and Linux give readers full coverage of two very popular operating systems * Also available from the same authors, the highly successful Operating System Concepts, Sixth Edition (0-471-25060-0)