Note this turorial begins on an Xubuntu 18.04.1 system after a fresh install and I made the error of installing the latest Nvidia Drivers (415) and hashcat from the repositories. I got the error message “Cannot find an OpenCL ICD loader library.” when trying to run hashcat. This is what I did to get it to work so hopefully it will be helpful to others.
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If you haven’t already don’t install the nvidia drivers from the Ubuntu repositories. Directions on that can be found here<\/a> but I stress that you should not follow them if you have version 18.04.<\/p>\n 1. Boot as normal and get to login screen (or desktop if you autologin). References<\/strong> Note this turorial begins on an Xubuntu 18.04.1 system after a fresh install and I made the error of installing the latest Nvidia Drivers (415) and hashcat from the repositories. I got the error message “Cannot find an OpenCL ICD loader library.” when trying to run hashcat. This is what I did to get it […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[113,3,163,5],"tags":[153,129,154,59,170],"class_list":["post-1135","post","type-post","status-publish","format-standard","hentry","category-compiling","category-configuration","category-hacking","category-installing-using-tools","tag-cuda","tag-hashcat","tag-nvidia","tag-ubuntu","tag-xubuntu"],"_links":{"self":[{"href":"https:\/\/www.jedge.com\/wordpress\/wp-json\/wp\/v2\/posts\/1135","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jedge.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jedge.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jedge.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jedge.com\/wordpress\/wp-json\/wp\/v2\/comments?post=1135"}],"version-history":[{"count":1,"href":"https:\/\/www.jedge.com\/wordpress\/wp-json\/wp\/v2\/posts\/1135\/revisions"}],"predecessor-version":[{"id":1136,"href":"https:\/\/www.jedge.com\/wordpress\/wp-json\/wp\/v2\/posts\/1135\/revisions\/1136"}],"wp:attachment":[{"href":"https:\/\/www.jedge.com\/wordpress\/wp-json\/wp\/v2\/media?parent=1135"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jedge.com\/wordpress\/wp-json\/wp\/v2\/categories?post=1135"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jedge.com\/wordpress\/wp-json\/wp\/v2\/tags?post=1135"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n2. Download the latest CUDA for your system at https:\/\/developer.nvidia.com\/cuda-downloads?target_os=Linux<\/a>. As of the creation of this tutorial the file will be cuda_10.0.130_410.48_linux.run.
\n3. Press the key combination Ctrl + Alt + F1 to exit out of the GUI. Authenticate with your username and password.
\n4. type sudo service lightdm stop<\/kbd> and press Enter to stop X11 (desktop GUI).
\n5. type sudo apt-get remove --purge nvidia*<\/kbd> and press Enter to purge all nvidia items.
\n6. type sudo find \/ -name libOpenCL\\* -print0 | xargs -0 rm -rf<\/kbd> to find and puge all libOpenCL files
\n7. Reboot
\n8. Boot as normal and get to login screen (or desktop if you autologin). Note: your GUI may not look as clean as you would like. No worries just keep going with this tutorial.
\n9. Press the key combination Ctrl + Alt + F1 to exit out of the GUI. Authenticate with your username and password.
\n10. Change directory to your Downloads folder or whereever you saved cuda_10.0.130_410.48_linux.run
\n11. Make the file executable and run it. Follow all prompts for installation.
\n12. Reboot and you should be all set.<\/p>\n
\nhttp:\/\/www.linuxandubuntu.com\/home\/how-to-install-latest-nvidia-drivers-in-linux<\/a>
\nhttps:\/\/devtalk.nvidia.com\/default\/topic\/1036967\/linux\/unable-to-use-opencl-cuda-on-ubuntu-18-04\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"