• How to install latest Firefox on RHEL 8 / CentOS 8 workstation
• How to backup existing Firefox installation and exclude form updating
• How to start Firefox browser

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• How to install PostgreSQL database server on RHEL 8 / CentOS 8
• How to start and enable PostgreSQL database server
• How to access PostgreSQL database from localhost and remote location
• How to set password for the default postgres user
• How to enable PostgreSQL to listen on all networks
• How to secure PostgreSQL remote connection with MD5 password authentication
• How to open PostgreSQL firewall port
• How to establish remote connection to PostgreSQL server using psql client

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• How to install Apache webserver
• How to enable and start Apache webserver
• How to open firewall HTTP port 80
• How to create basic same website

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Phantomjs is a scriptable, headless browser. It can be essential help in automated testing of web services, it can generate screenshots of the page it is visiting, effectively print the traffic while browsing a page, just to name a few of it's features. Phantomjs can be scripted in JavaScript, so we don't need to learn yet another language is we are familiar with it. Sadly, it's development is suspended at the moment, but the last stable release is available for download.

In this tutorial we will install phantomjs on RHEL 8 / CentOS 8, and run one of the examples shipped with the package to see our tool working.

• How to download phantomjs package
• How to extract and place the binary on the path
• How to run an example script with phantomjs

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Compass is an open-source CSS authoring framework that can compile .css stylesheet files from .sass files as they are written, thus making the life of a web designer easier. In this tutorial we will install Compass on RHEL 8 / CentOS 8, with all of it's dependencies.

• How to install dependencies required by Compass
• How to Compass
• How to create a Compass project

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