We’ll show you, how to Set Up FirewallD on CentOS 7. FirewallD is a firewall management tool available by default on CentOS 7 servers. Basically, it is a wrapper around iptables and it comes with graphical configuration tool firewall-config and command line tool firewall-cmd. With the iptables service, every change requires flushing of the old rules and reading the new rules from the `/etc/sysconfig/iptables` file, while with firewalld only differences are applied. The setup and configuration of FirewallD on CentOS 7 should take less than 10 minutes and is a fairly easy process.
We’ll show you, how to use the Linux screen command. Linux Screen Command is a very useful command that offers the ability to use multiple shell windows (sessions) from a single SSH session. When the session is detached or there is a network disruption, the process that is started in a screen session will still run and you can re-attach to the screen session at any time. Linux Screen Command also comes in handy if you want to run a long process persistently or connect to shell sessions from multiple locations. In this article, we will show you the basics of installing and using screen command on Linux.
We’ll show you how to install Jupyter on Ubuntu 16.04. Jupyter Notebook is an open source and interactive web app that you can use to create documents that contain live code, equations, visualizations, and explanatory text. Jupyter Notebook supports more than 40 programming languages. Installing Jupyter on Ubuntu 16.04 is quite an easy task and it should not take more than 10 minutes to finish the installation. Let’s get started.
