All UNIX / Linux applications linked against the OpenSSL libraries can verify certificates signed by a recognized certificate authority (CA). How do I verify SSL certificates using OpenSSL command line toolkit itself under UNIX like operating systems without using third party websites?
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I‘ve tons of images, css and javascript hosted at backend server IP 192.168.1.5 and 192.168.1.6. How do I make sure nginx reverse proxy load balancer always send all http_user_agent requests coming from “Mozilla” to server 192.168.1.5 and MSIE to server 192.168.1.6 only?
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How do I find out the canonicalised absolute pathname for a given command or file under Linux operating systems?
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Q. Some of my programs and scripts needs a real path and not a a symbolic link. How to I determine a real path of any directory under Linux / UNIX operating systems? How do I remove references to /./, /../ and extra ‘/’ character in path?
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