Category: Linux

OEL / Linux / AIX

Steps to create a self signed certificate

Steps to generate self signed certificate on Linux: #openssl genrsa -des3 -out <key filename.key> 4096 #openssl req -new -key <key filename generated above> -out <csr file filename.csr> #openssl x509 -req -days 3650 -in <csr file filename.csr> -signkey <key filename.key> -out <cert filename.crt> the -des3 encrypt PEM output with ede cbc des using 168 bit key more info: https://wiki.openssl.org/index.php/Command_Line_Utilities  

Read More »

Find OEL Version

I always had hard time to find the Oracle Enterprise Linux Version. Below are some options to view system information and OS Version on Linux System

Read More »