When trying to perform a wget on CentOS server, you might receive an error as below.
QuoteOpenSSL: error:100AE081:elliptic curve routines:EC_GROUP_new_by_curve_name:unknown group
OpenSSL: error:1408D010:SSL routines:SSL3_GET_KEY_EXCHANGE:EC lib
This is usually due to the older version of openssl installed on your server. It's time to upgrade OpenSSL on the server.
Quote#yum upgrade openssl -y
With the above command OpenSSL will be upgraded on the server. Now, try performing a wget on the server.