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Signals in Linux

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1.0 Signals

A signal is a notification delivered to a process by the kernel. A signal indicates that an event has occurred and the process must take note of it. Signals are mostly delivered asynchronously to a process. Whatever the process was doing is suspended and the processing of the signal takes place immediately.… Read more

Repairing Drupal site blocks manually in database

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The text format of a block was PHP code and it contained PHP code with an error. This broke the website resulting in blank screen web pages, the white screen of death (WSOD). The error was rectified by manually updating the MySQL database.… Read more