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Managing Background Tasks in the Bash Shell

In the the Unix Bash shell the “&” (ampersand) character is a control operator used to fork processes.

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Sending Tweets from the command line using a Bash script

The Twitter API makes it very simple to send tweets with curl via a Bash script.

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Checking kernel, architecture, and release (distribution) information on Linux

The ‘uname’ utility can be used to check a Linux operating system’s kernel and architecture, while the contents of the /etc/*-release file contains the release information.

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Checking which processes are accessing the Internet on a Unix machine

The “lsof” Unix command line tool can be used to list the IP Addresses / Host Names and Port details about all processes’ open network files (connections).

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Setting up custom voicemail greetings in Asterisk

Although Trixbox offers a lot of Asterisk customization options through its user interface, setting up custom voicemail greetings for individual extensions isn’t catered for.

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Getting an iPhone out of the Recovery Mode Loop

Once an iPhone is put into Recovery Mode, it will be stuck in the Recovery Mode Loop (when the device restarts it’ll automatically go back into Recovery Mode).

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Getting better Movie and TV Show indexing results with Boxee

These naming conventions will make it easier for Boxee to recognize your Movie or TV Show titles, seasons, and episodes.

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Displaying a text-based file and folder tree on the command line

If you need to see a tree view of files and directories from the current directory, you can do so by piping the output from “ls” into “grep”, then piping the results into “sed”.

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