Changing the Default Terminal to Terminator on Ubuntu

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Terminator is a powerful tool for developers, allowing you to manage multiple terminal sessions in a single window. Features like splitting panes, tabs, and simultaneous input can significantly boost your productivity. Step 1: Install Terminator First, install Terminator using the apt package manager. sudo apt update sudo apt install terminator -y The -y option automatically answers 'yes' to any prompts during the installation process, streamlining the setup. Step 2: Set as the System Default Ubuntu uses a utility called update-alternatives to manage default applications. We'll use this tool to change the default terminal emulator ( x-terminal-emulator ) to Terminator. Run the Configuration Command Enter the following command in your terminal. A list of available terminals will appear. sudo update-alternatives --config x-terminal-emulator Select Terminator From the resulting list, enter the selection number corresponding to terminator and press Enter. ...
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How to change Hostname on Amazon Linux Permanently

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On Amazon Linux, the process to change the hostname is similar to other Linux distributions. Below are the steps to change the hostname and ensure it remains after a reboot.

1. Edit /etc/sysconfig/network file:

  • /etc/sysconfig/network file is one of the files used to configure networking settings on a Linux system.
  • The changed hostname serves as the network identifier for the system.

sudo vi /etc/sysconfig/network

NETWORKING=yes

HOSTNAME=your_new_hostname


2. Edit /etc/hostname file:

  • /etc/hostname file defines the system’s hostname and how the server identifies and reports itself on the network.
  • By altering this file, the changed hostname will be applied when the system reboots next.

echo "your_new_hostname" | sudo tee /etc/hostname



3. Edit /etc/hosts file:

  • /etc/hosts file serves the role of mapping IP addresses to hostnames and is referred to before DNS queries are made.
  • For instance, if the 127.0.0.1 address is not mapped to the system's hostname, some systems may be unable to locate themselves, leading to various network-related issues.

sudo vi /etc/hosts

127.0.0.1   your_new_hostname


4. Reboot


sudo reboot


Completing all the above steps will change the hostname permanently on your Amazon Linux instance, and it will remain even after rebooting.


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