Recording from line-in with Audacity on Linux Mint 12.

I have my mobile telephone connected with a male-male 3.5mm cable to my computer and I wanted to record segments from the radio to the computer with Audacity. This is how I achieved that. And also configuring the alsamixer settings properly to enable the line-in port as the capture source…

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Send a message to logged in Linux users and other nice tricks.

To send a message to logged in Linux users with the wall command, just open it and type a message. Then press ^D to send it. jason$ wall Hi   Broadcast message from jason@jason-desktop (pts/0) (Sat Aug 27 22:24:05 2016):   Hijason$ wall Hi Broadcast message from jason@jason-desktop (pts/0) (Sat…

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Linux in the movies and television. Some famous appearances.

In the television series “Heroes” a KDE desktop was spotted running the Kopete application. A screenshot below. This is a Mandriva distribution displaying part of the Kmix window and a live webcam application. We all know about the famous scene in the Matrix Reloaded where Trinity is cracking the Matrix…

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How to list the indexes in a MySQL database table.

How to list the indexes in a MySQL database table. Easily done using the show command. mysql> show index from customer; +———-+————+——————-+————–+——————–+———–+————-+———-+——–+——+————+———+—————+ | Table | Non_unique | Key_name | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | Index_comment | +———-+————+——————-+————–+——————–+———–+————-+———-+——–+——+————+———+—————+…

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