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Awk Packaged by IOanyT Innovations - Rocky Linux 8 | 9

OVERVIEW:


AWK, one of the most prominent text-processing utility on GNU/Linux. It is very powerful and uses simple programming language. It can solve complex text processing tasks with a few lines of code. Starting with an overview of AWK, its environment, and workflow, the tutorial proceeds to explain the syntax, variables, operators, arrays, loops, and functions used in AWK. It also covers topics such as output redirection and pretty printing.

Types of AWK

Following are the variants of AWK −

  • AWK − Original AWK from AT & T Laboratory.

  • NAWK − Newer and improved version of AWK from AT & T Laboratory.

  • GAWK − It is GNU AWK. All GNU/Linux distributions ship GAWK. It is fully compatible with AWK and NAWK.

Typical Uses of AWK

Myriad of tasks can be done with AWK. Listed below are just a few of them −

  • Text processing,

  • Producing formatted text reports,

  • Performing arithmetic operations,

  • Performing string operations, and many more.

GET STARTED:


To choose a Region follow the below step:


1. Sign in to the AWS Management Console.


2. Choose a service to go to that service's console.


3. In the navigation bar, choose the name of the currently displayed Region. Then choose the Region to which you want to switch.


Step instructions for how to assess and monitor the health and proper function of the application:


1. Navigate to your Amazon EC2 console and verify that you're in the correct region.


2. Choose Instance and select your launched instance.


3. Select the server to display your metadata page and choose the Status checks tab at the bottom of the page to review if your status checks passed or failed.


To verify the installation, follow the below instructions


Step 1. Connect to SSH:


  1. Open the Amazon EC2 console at https://console.aws.amazon.com/ec2/.

  2. In the navigation pane, choose Instances.

  3. Select the instance and choose Connect.

  4. Choose SSH Client.

  5. Copy the SSH command and paste it into the terminal.

ssh rocky@publicIP -i [Path of key pair file]

If it shows an access denied message run the following command, then run the above command again to connect via ssh.


chmod 400 [Path of key pair file]

Once launched in the Amazon EC2 Service, please connect to the instance via an SSH client using the ec2-user with the key pair associated at launch. Once connected as the ec2-user user, you will be able to sudo to the root user


Step 2. Verify the installation:

Follow the steps to verify the crystal installation

1. Login with ssh


2. Type the below command to check the version


3. To check the version :

gawk --version

How to use the crystal in the terminal:


1. After connecting with ssh write the below command:

sudo nano helloworld.awk

2. Paste the following code into the file:

#!/usr/bin/awk -f
BEGIN {
    print "Hello, World!"
}

3. Then run the below command :

./helloworld.awk

The output "Hello, World!" should appear in your terminal. That's it! You have successfully printed "Hello, World" using a awk in the terminal.


4. After using the above command then verify written the below command mentioned below image:


To monitor and assess application functions:-


a. Navigate to your Amazon EC2 console and verify that you're in the correct region.


b. Choose Instances and select your launched instance.


c. Select the server to display your metadata page and choose the Status checks tab at the bottom of the page to review if your status checks passed or failed.


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CONTACT

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IOanyT Innovations Pvt. Ltd.

Email: aws-marketplace-support@ioanyt.com

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