How to reset MySQL root password
To reset MySQL password, you need to have root access to the machine. After logging in as root, start by…
How to restart X server from command line
To restart X server, you only need to restart gdm. * Stopping GNOME Display Manager… [ ok ]* Starting GNOME…
Installing Moodle on Linux
First of all make sure that you have Apache, MySQL (or PostgreSQL), and PHP installed and configured on your system.…
Installing phpPgAdmin on Ubuntu
phpPgAdmin is a web-based administration tool for PostgreSQL written in PHP. It is a very nifty tool with a very…
Where are PHP error logs
PHP errors are by default set to go to the apache error log. On Ubuntu, the error log is located…
PHP Warning: strtotime(): It is not safe to rely on the system’s timezone settings
If a default timezone is not set in your php.ini, then you get the following warning: “Warning: strtotime(): It is…
Nested if statement in Excel
Excel allows you to write a nested if statements. Following is a typical if statement: To write another condition inside…
Removing characters from Excel cells
Sometimes Excel cells contain unwanted data. Removing this data can be a very tedious job. For example, I recently received…
What is Dependency Injection
Dependency Injection a big name for a very simple concept. Objects interact with other objects. A piece of data or…
How can I change the filesize limit for imported files in PhpMyAdmin
The filesize limit is not defined in PhpMyAdmin. The limit is taken from php.ini file. To change this limit, you…