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• Transport Layer Security (TLS), and its now-deprecated predecessor, Secure Sockets Layer (SSL), are cryptographic protocols designed to provide communications security over a computer network.

  TLS 1.2 was defined in in August 2008.

• (SLES) is a Linux-based OS developed by SUSE.

  It is designed for servers, mainframes, and workstations.

  IBM’s Watson was built on IBM’s POWER7 systems using SLES.

• SUSE

  ia a German-based, multinational, open-source software company that deveolps and sells Linux products to business customers. Founded in 1992, it was the first company to market Linux for the enterprise.

• POWER7 is a family of superscalar symmetric multiprocessors based on the Power ISA 2.06 instruction set architecture released in 2010 that succeeded the POWER6.

• Power ISA is an instruction set architecture (ISA) developed by the OpenPOWER Foundation, led by IBM.

  Power ISA v.2.06 was released in February 2009, and revised in July 2010.

• ( often abbreviated to RHEL) is a Linux distribution developed by Red Hat for the commercial market.

  RHEL is released in server versions for x86-64, Power ISA, ARM64, and IBM Z and a desktop version for x86-64.

• A Java virtual machine (JVM) is a virtual machine that enables a computer to run Java programs as well as programs written in other languages that are also compiled to Java bytecode.

• curl vs libcurl

• cURL is a computer software project providing a library (libcurl) and command-line tool (curl) for transferring data using various network protocols.

  cURL stands for “Client URL”, which was first released in 1997, it was originally named httpget then urlget.

• libcurl

  libcurl is a free client-side URL transfer library, supporting cookies, DICT, FTP, HTTP POST, HTTP PUT …

• curl is used in command lines or scripts to transfer data. It is also used in cars, television sets, routers, printers,audio equipment, mobile phones, tablets …