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Tag Archives: jumbo-7

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John the Ripper Password Cracker

JTR – John The Ripper Compile Error – /usr/bin/ld: cannot find -lOpenCL

InsightsBy alexSeptember 4, 2013Leave a comment

The article below describes an error received while attempting to compile John The Ripper with GPU support via OpenCL on Ubuntu Linux version 12.04 LTS also known as Precise Pangolin. Many compile errors are related to necessary packages not being installed on Linux though other errors could be related to all sorts of different issues…

John the Ripper Password Cracker

JTR – John The Ripper Compile Error – common-opencl.h:8:19: fatal error: CL/cl.h: No such file or directory

InsightsBy alexSeptember 3, 2013Leave a comment

Recently while attempting to get John The Ripper 1.7.9 jumbo-7 working on a Ubuntu 12.04 LTS Linux server with multiple AMD GPU cards in it I ran across an error during the compile process. The error complained about the VL/cl.h file not being installed and thus could not finishing compiling. Below I describe the compile…

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