22 New for 2014 – Database Month programmers to speak on the program. Wall Street IT professionals and programmers will assemble at this 2014 HPC Show and Conference, Sept. Latency, Networks, Data Centers, Cost Savings. ICK &ALTYS s $ENNIS &RANKLIN &REY 6ICTOR REGORIO s 0HILIP *ACOB s AY +RUIZENGA s $AVID ! ,ANE 3TEVE -ARQUEZ s $AVE -C!LLISTER s #ARSON -C$ONALD s #RAIG /DA *EFFREY $ 0ARENT s #HARNELL 0UGSLEY s 4HOMAS 1UINLAN s -IKE 2OBERTS +RISTIN 3HOEMAKER s #HRIS $ 3TARK s 0ATRICK 3WARTZ s *AMES 7ALKER Advertising % -!),: URL: EXT Subscriptions % -!),: URL: LJ244-Aug2014.indd 6 7/23/14 11:41 AM 14HPCadLinuxJnl.qxp Layout 1 6/17/14 10:21 AM 11th Annual 2014 H IGH PERFORMANCE COMPUTING FOR WALL STREET Show and Conference Septem(Monday) TH SA E D VE AT E Roosevelt Hotel, NYC Madison Ave and 45th St, next to Grand Central Station Big Data, Cloud, Linux, Low #HADALAVADA s "RIAN #ONNER s #ALEB 3 #ULLEN +EIR $AVIS s -ICHAEL %AGER s. ICK "ARONIAN s (ARI "OUKIS s 3TEVE #ASE +ALYANA +RISHNA PO Box 980985, Houston, TX 77098 USA Editorial Advisory Panel "RAD !BRAM "AILLIO s. Lerner’s At the Forgeįirst Steps with Web Development 38 Dave Taylor’s Work the Shell Days Between Dates: the Counting 44 Kyle Rankin’s Hack and / Not So Dynamic Updates 48 Shawn Powers’ The Open-Source Classroom First Health, Now Recreation 108 Doc Searls’ EOF Can We Stop Playing Card Games with Business? 74 IN EVERY ISSUE 8 10 16 28 60 111 Current Issue.targz Letters UPFRONT Editors’ Choice New Products Advertisers Index LINUX JOURNAL (ISSN 1075-3583) is published monthly by Belltown Media, Inc., 2121 Sage Road, Ste 395, Houston, TX 77056 USA Subscription rate is $2950/year Subscriptions start with the next issue 5 7/23/14 11:41 AM Executive Editor Senior Editor Associate Editor Art Director Products Editor Editor Emeritus Technical Editor Senior Columnist Security Editor Hack Editor Virtual Editor Jill Franklin Doc Searls Shawn Powers Garrick James Gray Don Marti Michael Baxter Reuven Lerner Mick Bauer Kyle Rankin Bill Childers Contributing Editors )BRAHIM (ADDAD s 2OBERT ,OVE s :ACK "ROWN s $AVE 0HILLIPS s -ARCO &IORETTI s ,UDOVIC -ARCOTTE 0AUL "ARRY s 0AUL -C+ENNEY s $AVE 4AYLOR s $IRK %LMENDORF s *USTIN 2YAN s !DAM -ONSEN Publisher Carlie Fairchild Director of Sales John Grogan Associate Publisher Mark Irgang Webmistress Accountant Katherine Druckman Candy Beauchamp Linux Journal is published by, and is a registered trade name of, Belltown Media, Inc. Mark Burgess 96 22 Integrating Trac, Jenkins and CobblerCustomizing Linux Operating Systems for Organizational Needs A process to build, develop and validate creation of RPMs to be included with the Scientific Linux distribution deployed on HPC systems.
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Krisdog 4 / AUGUST 2014 / 4 7/23/14 11:41 AM INDEPTH 90 Promise TheoryWhat Is It? Promise Theory has been adopted more widely in recent years in connection with Software Defined Networking as it embodies many of the principles on which networking is based. Richard Delaney 74 An Introduction to OpenGL Programming Is it difficult to rotate a 3-D cube in OpenGL? Mihalis Tsoukalos ON THE COVER
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