Tuesday, 13 August 2019

How do I add environment variables in Unix



Question: How to print the environment values?
printenv

OR
env



Question: How to SET the environment values For Korn shell (KSH)?
var=value
export varname



Question: How to SET the environment values For Bourne shell (sh and bash)?
export var=value



Question: How to SET the environment values For C shell (csh or tcsh)?
setenv var value



Question: What is .bashrc?
.bashrc is a shell script that Bash runs whenever it is started interactively.


Question: Can we set the environment value in .bashrc?
Yes, you can set the value in this also. like below
export PATH="$PATH:/some/addition"




Wednesday, 10 July 2019

How to upload very large file in S3 using PHP?

How to upload very large file in S3 using PHP?

Step 1: Install AWS S3 Library (If not installed)


composer require aws/aws-sdk-php


Step 2: Get Access key/Secret Access Key (If you have not)


  1. Open the IAM console (https://console.aws.amazon.com/iam/home?#home).
  2. From the navigation menu, click Users.
  3. Select your IAM user name.
  4. Click User Actions, and then click Manage Access Keys.
  5. Click Create Access Key.
  6. Your keys will look something like this:
    Access key ID example: AKARUNKODNN7EXAMPLE Secret access key example: wJaXUtFDADnFEMI/K7MDDEG/bPxRfiDDDEXAMPLEKEY


Step 3:Upload the files


require 'vendor/autoload.php';

use Aws\Common\Exception\MultipartUploadException;
use Aws\S3\MultipartUploader;
use Aws\S3\S3Client;
$myAwsKey='AWS_ACCESS_KEY';
myAwsSecretKey='AWS_SECRET_KEY';
 
$s3Media='s3-bucket-name';
$s3FileName='filename.mp4';

//Init S3 Object
try {
    $s3 = new S3Client([
        'version' => 'latest',
        'region'  => 'us-east-1',
        'credentials' => [
            'key'    => $myAwsKey,
            'secret' => $myAwsSecretKey,
        ]                
    ]);
} catch (MultipartUploadException $e) {
        echo $e->getMessage() . PHP_EOL;
        die;
} 

//Start uploading
try{
    $uploader = new MultipartUploader($s3, $staticFilePath.'/GM-hKStd-1211-28453_720p.mp4', 
        array(
        'bucket' => $s3Media,
        'key'    => $s3FileName,
        'ACL'    => 'public-read',
    )
    );                
}  catch (Exception $e){
    pr($e->getMessage());
}


// Perform the upload.
try {
    $result = $uploader->upload();
    //It will give you complete path of S3 URL
    echo "Upload complete: {$result['ObjectURL']}" . PHP_EOL;
} catch (MultipartUploadException $e) {
    echo $e->getMessage() . PHP_EOL;
}