To enhance the security of your Ubuntu system, you can try out installing SELinux which is a standard Linux based security tool. The SELinux in Ubuntu will provide you with an additional layer of protection to applications and will mitigate the security risk of the host machine.
Yarn is a package manager for Node.js JavaScript runtime environment and developed in 2016 by Sebastian McKenzie of Meta. It is more efficient and reliable alternative to npm (Node Package Manager), which is the default package manager for Node.js.
Python Pip(PIP) is the package installer for Python and stands for "Pip Installs Packages" or sometimes recursively as "Pip Installs Python". Pip is used to install and manage software packages written in Python. Using Pip, you can install Python packages from the Python Package Index (PyPI) or from any other sources such as version control systems like Git.
In Linux, the hostname refers to the name assigned to a computer or device on a network. It's used to identify the system within a network environment. The hostname can be a simple name, typically a single word, or it can include domain information, forming a fully qualified domain name (FQDN).
