OpenSSL is an open-source toolkit used for Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols. The project is globally managed by a volunteer community. This post guides on installing the latest OpenSSL version on Ubuntu 16.04 | 18.04 LTS systems, as the default Ubuntu version isn't up-to-date. The tutorial includes downloading and manually installing the package, updating paths for man pages and binaries, and restarting Ubuntu for recognition.

ClamAV is an open-source antivirus engine that detects and eliminates various digital threats. It can be installed on Ubuntu systems and supports multiple file formats. Instructions are provided to install ClamAV on Ubuntu 16.04, 17.10, and 18.04. Commands are also given for virus and malware scans, and for installing the GUI client, ClamTk.

This post outlines the process of creating and mounting NFS shares in Ubuntu Linux for Windows access. NFS facilitates secure file sharing across different operating systems, with user management for permissions. It involves enabling NFS services in Windows, using the command prompt, and accessing shares via Windows File Explorer for seamless integration.

RabbitMQ, a lightweight open-source message broker, can be installed on Ubuntu 16.04, 17.10, and 18.04 by first installing Erlang/OTP, as RabbitMQ requires this to run. Once both are installed, user can enable RabbitMQ to start upon server boot up and activate RabbitMQ Web Console for easier management. Note that for Ubuntu 18.04, users have to manually install Erlang/OTP and RabbitMQ at the time of writing.