Ubuntu openssl where is it installed




















Connect and share knowledge within a single location that is structured and easy to search. It doesn't have a build directory. In my build, it couldn't find libssl. I think you need to modify some of the gcc commands in that makefile to use that library location. It looks for exact name "openssl". In my case, I got the exact same error message, but after running. After some more research, I came across this Server Fault post and installed the OpenSSL development package using sudo apt install libssl-dev and then reran my.

Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Ask Question. Installing OpenSSL Library To install the OpenSSL general-purpose library, first determine the applicable version of the library available for your Ubuntu computer with the following command issued at a terminal prompt: apt-cache search libssl grep SSL You should observe output from the command similar to the following: libssl0.

Install the following packages libssl0. You may also need to install ca-certificates. Install the following packages libssl-dev see InstallingSoftware. For additional information, read the various OpenSSL system manual pages with the man command, and refer to the information presented in the Resources section of this guide.

This section of the guide describes the certificate generation, and signing process for both self-signed, and recognized CA-signed certificates. Generating and Signing Self-Signed Certificates Self-signed certificates have a major advantage in that they are completely free to use, and they may be generated, signed, and used on an as-needed basis.

Self-signed certificates are great for use in closed-lab environments or for testing purposes. One of the drawbacks of using self-signed certificates, however, is that warnings will typically be issued by a user's Web browser, and other applications, upon accessing an SSL-secured server that uses a self-signed certificate.

By default, client applications e. Using self-signed certificates in a publicly-accessible, production environment is not recommended due to the implicit trust issues arising from these warnings, in addition to the potential confusion caused to users. NOTE: You must obtain a certificate signed by a recognized Certificate Authority in order to establish a commercial site, e.

Provided you've installed the OpenSSL toolkit previously, or per instructions above, the generation of X. Default configuration to use when one is not provided on the command line. The following fields must be defined in the server certificate. Change these fields to match your local environment! For more information on the directives contained within this configuration file, use the man config command. Next, you need to generate the Certificate Authority Root Certificate and Key, by issuing a few commands.

Now, generate the CA certificate and key with the following command: openssl req -x -newkey rsa -out cacert.

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