Linux System Hardening Best Practices for a Secure Environment
Linux systems are widely used for their stability, flexibility, and security. However, no system is inherently secure without proper configurations and maintenance. Hardening a Linux system minimizes vulnerabilities and strengthens its security posture. This post outlines key steps to harden
Joomla- Database Error: Unable to connect to the database
While working with Joomla if you get an error – “Database Error: Unable to connect to the database:Could not connect to database”, check following properties in Joomla’s configuration.php file : //given values are sample data only. var $dbtype = ‘mysql’;
Moodle | Fetch all the categories based on the programs assigned to a user
Below are the Moodle database tables that will be used to fetch all the categories based on the programs assigned to a user (complete query is also written after table information): 1. mdl_prog : This table contains each program along
Photoshop | Content Aware Fill
We had to use this image in one of the project but there is a problem with the image that it has some text as a watermark on its green arrow. There is a tool in photoshop called Content Aware
Hibernate | javax.persistence.OptimisticLockException: Row was updated or deleted by another transaction
You may face following exception while trying to update data in a database table using hibernate: javax.persistence.OptimisticLockException : Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [com.abc.pkg.db.entities.customer.CustomerOfferScheduledTask#2504849] The reason is optimistic lock is applied on
Salesforce | How to create Single Dynamic Batch Class to update multiple Sobjects in Salesforce
Suppose you want to update field name ‘Status’ to ‘Active’ in multiple Sobject and there are large number of records for each Sobject. Instead of writing a batch class for each Sobject you can update multiple Sobjects like this. Declare
Introduction to LMS Report v1.0
While we continue to develop multi-tenant cloud based systems based on leading LMS software like (Moodle, Totara, Blackboard to name a few) for our clients, we have started to launch our own mobile apps related to the same. First such
Mysql | Forgot root password in Mysql
If you forget mysql root password these are few easy steps to regain access: 1. shell> mysqld_safe –skip-grant-tables 2.Open another terminal shell> mysql -u root -p (hit enter and use blank password) 3. mysql>UPDATE mysql.user SET Password=PASSWORD(‘NewPassword’)WHERE User=’root’; 4. mysql>FLUSH
Mobile Apps | Fluctuation in the latitude and longitude values for the current location
In mobile applications development tracking lat/long of the current location is one of the most commonly used features. To achieve such functionality we mainly use three types of providers which are: 1. GPS providers 2. Network Providers 3. Sim Card
Introduction to tarjetasvirtuales
Internet has totally changed the face of communication and how we do things and sending greeting cards is not an exception to this. There are roughly hundreds of ways to express your feelings to someone who is special to you,
