What is a Shell Script? A shell script is a Linux-based script in which commands are written. When a user executes the script, all the commands that are in the script are executed one after another. Think of it like
The DNS or the Domain Name Server can be characterized as one of the most essential parts of your link to the internet. The DNS translates the domain names to and from the IP addresses so that we don’t need
Most Ubuntu systems use bash or dash as their default terminal application. You type your commands at a standard command prompt, which usually displays your username, hostname, and current directory in a predefined color scheme. Bash provides many customization options
PDF or Portable Document Format is usually our first choice when it comes to printing, sharing, and sending documents, especially larger documents. On Windows and macOS, you probably are familiar with and rely on the widely used Acrobat products for
Ubuntu has switched to Netplan for the configuration of network interfaces. Netplan is based on a YAML-based configuration system that makes the configuration process very simple. Netplan has replaced the old /etc/network/interfaces configuration file that we used to use for
Basically, everything in Linux is a file. But before you are able to edit a file, you must be able to locate it in your system. About Linux file search In this article, I briefly describe two commands in detail
What is iptables? Iptables is a command-line firewall program that allows or blocks traffic based on the policy chain used. Iptables takes a packet-based approach to monitor traffic. When a program tries to connect to your system, iptables looks for
As Linux users, we sometimes need to know what port number a particular process is listening on. All ports are associated with a process ID or service in an operating system. So how do we find this port? In this
As Ubuntu users, we may want to know if we are the only ones using our network, especially the WLAN, or if there are other unwanted users exploiting our network bandwidth. This capability is also useful when we want to
Ubuntu was originally a terminal-based operating system, but over time Linux slowly introduced the graphical user interface to its operating system. Nowadays, GUI methods are the only way to solve many problems with the operating system. We’ll show you some
