Trinity Tuts

In this blog I w,ill explain you how we can fix PhpMyAdmin secret passphrase error in simple steps. Fix PhpMyAdmin secret passphrase (blowfish_secret) Issue If you manually install PhpMyAdmin on your server then go to the PHPMyAdmin directory. You can rename config.sample.inc.php to config.inc.php. Open this file in your editor. Now you need to add 32 char in $cfg['blowfish_secret'] Save…

PHP contact form with Google Captcha

Contact form is a web-based form on a website that is used by the user to contact the site owner. Contact form provides a convenient way for users to ask questions. Users can fill the form and submit it. Generally, every website needs a contact form, so users can easily communicate with you, and know your products and services. Contact form is necessary for every website, no matter what website…

How to remove PPA in Ubuntu & Linux server

In this post, I will explain to you how we can remove PPA from the PPA list in Ubuntu. Some time in an effort to install various applications we need to install multiple PPA in Ubuntu or other Linux distribution. Over time some PPA is not updated with the latest version of the operating system. This thing creates trouble when we need to update Ubuntu. Note: Before removing PPA you also need to…

CakePHP 4 ACL Implementation

In this post, I am going to explain how we can implement Access Control List (ACL) in CakePHP 4. If you want to learn how to implement ACL in CakePHP 3 you can check my old tutorial (Cakephp3 ACL Implementation). About CakePHP Framework. CakePHP is a free open-source framework just like Larvel. CakePHP follows Model View Controller (MVC) approach. You can create your applications simpler, faster,…

How to add an SSL certificate for a subdomain

SSL (Secure Sockets Laye) is a protocol for establishing an authenticated and encrypted connection between your computer and server. SSL makes the connection secure and also protect the sensitive data which is sent between the server and client. Secure Web Browsing SSL is a secure certificate that offers three-layer of protection Authenticity, Data Integrity, Encryption. Authenticity: server…

Steps to install PHP 8.0 on Ubuntu and its Features

PHP 8.0 is released on November 26, 2020. You can download PHP 8.0 from php.net. It’s a new major version, which means it will have some breaking change and lots of new features and performance improvement. Due to breaking change, you need to update your code to run on the latest version of PHP 8.0.

PHP 8.0 will come with some new features such as the JIT compiler, union types, attributes, and…

Fixing 413 request entity too large PHP NGINX server

In this post, I will explain to you how we can fix the request entity too large issue in the NGINX server. You can get this error when you try to upload a large file in your application. Your web server will fail to upload the file, and you will see the 413 request entity too large error page.

Fixing 413 Request Entity Too Large Error in NGINX server

You need to do two things if you want to fix…

Steps to Install NodeJs LTS on Ubuntu OS

In this tutorial, I will explain to you how we can install NodeJs and NPM on the Ubuntu server using simple steps. Node.Js is an open-source cross-platform lightweight framework to executes JavaScript code outside a web browser. NodeJs is a run-time environment that includes everything you need to execute a program written in JavaScript on the server.

NPM stands for Node Package Manager, You can…

Steps to install and configure RabbitMQ server on Ubuntu

In this post, I will explain to you how we can install and configure the RabbitMQ server on our Ubuntu server. The below method works on Ubuntu 18.04 & 16.04 LTS. Before we start the installation of the RabbitMQ server I can explain some information about the RabbitMQ server where we can use this server.

What is RabbitMQ?

RabbitMQis an open-source message broker software that implements Advanced…

When you try to Add a Facebook advertising network ad in your Android Application you need to add your test device information to test add implementation you need to add your Android Advertisement ID (AAID). Here is a simple code to get your AAID.

How to Get AAID for Facebook Ads?

You can get Your Android Application ID (AAID) programmatically using the below code. You can call the below method…

How we can check SHA1 or Signature of APK and Keystore file

In this post, I will explain to you how we can check which key store is used to sign your APK file. For this process, we are going to use Java 7’s Key and Certificate Management Tool ( keytool) to check the signature of a Keystore or an APK without extracting any files. This technique is very simple and very useful.

How to Check Signature of an APK

To check the Signature of your app you can…

Steps to setup auto MySQL database backup

In this post, I will explain to you how we can set our MySQL database to auto backup. MySQL also provides a command-line utility to backup your database using mysqldump, for exporting databases as raw SQL. You need to run mysqldump every time whenever you want to take backup but you can automate this process using AutoMySQLBackup which takes backup of your database daily, weekly, and monthly.

Ple…

Allow remote connection to MySQL server

In this post, I will explain to you how we can allow remote access to our MySQL server using simple steps. To perform these steps you must have a server with root access so can easily modify MySQL server setting.

Connect to a MySQL database remotely

In these steps, I can explain to you how we can allow any IP to connect to your MySQL server remotely.

Step 1. Login to your server  rootusing Putty…

Request runtime permissions in Android

From Android 6.0 (Marshmallow) API 23 you need to request permission when users install and launch your app. You can also request permission in run time like when your app needs to access the camera you can request permission to access the camera.

If your device is running on the latest version of Android, and you install an application and launch you get this type of popup. In the old version…

In this post, I will explain to you how we can integrate hCaptcha which was the best alternative to Google reCaptcha. Captcha code prevents your website from unusual traffic which can crash your website.

What is Captcha?

Captcha (Completely Automated Public Turing test to tell Computers and Humans Apart). In simple words, captcha helps us to identify whether the user is real or a robot.

What is…

In this post, I will explain to you how we can fix a new SameSite cookie issue that occurs when you update your chrome. SameSite was introduced to control which cookie can be sent together with cross-domain requests. Until now, browsers allow any cookie that doesn’t have this attribute set to be forwarded with the cross-domain requests as default. This issue SameSiteaffects your app which uses…

In this post, I will explain to you how we can upgrade the PHP version to the latest version. With the help of this post, you are able to update to PHP version on the ubuntu server.

So let get started, I am using the Digital Oceanserver to test this you can create an account on the digital ocean and create a new droplet. If you have Cpanel installed then this is a very easy task you can go to…