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Read aloud a text file in Ubuntu (and other Unixes with espeak installed
This is sample output - yours may be different.
2

espeak -f text.txt

flokra · 2009-08-18 20:18:48 5
perl read file content

Found it on: http://stackoverflow.com/questions/318789/whats-the-best-way-to-open-and-read-a-file-in-perl The yet most simple way to read all the contents of a file to a variable. I used it in a perl script to replace $text="`cat /sys/...`", and stipping down 9 secs of runtime due less forks
This is sample output - yours may be different.
0

$text = do {local(@ARGV, $/) = $file ; <>; }; [or] sub read_file { local(@ARGV, $/) = @_ ; <>; }

matya · 2013-06-12 11:41:49 19

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Which processes are listening on a specific port (e.g. port 80)

swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Shows cpu load in percent

This version is precise and requires one second to collect statistics. Check sample output for a more generic version and also a remote computer invocation variant. It doesn't work with the busybox version of the 'top' command but can be adjusted

Get top N files in X directory

You can simply run "largest", and list the top 10 files/directories in ./, or you can pass two parameters, the first being the directory, the 2nd being the limit of files to display. Best off putting this in your bashrc or bash_profile file

Binary Clock

Create a binary clock.

Blue Matrix

Same as original, but works in bash

Get International Space Station sighting information for your city

This command outputs a table of sighting opportunities for the International Space Station. Find the URL for your city here: http://spaceflight.nasa.gov/realdata/sightings/

Network Proxy to dump the application level forward traffic in plain text in the console and in a file.

If you have a client that connects to a server via plain text protocol such as HTTP or FTP, with this command you can monitor the messages that the client sends to the server. Application level text stream will be dumped on the command line as well as saved in a file called proxy.txt. You have to change 8080 to the local port where you want your client to connect to. Change also 192.168.0.1 to the IP address of the destination server and 80 to the port of the destination server. Then simply point your client to localhost 8080 (or whatever you changed it to). The traffic will be redirected to host 192.168.0.1 on port 80 (or whatever you changed them to). Any requests from the client to the server will be dumped on the console as well as in the file "proxy.txt". Unfortunately the responses from the server will not be dumped.

Mount the first NTFS partition inside a VDI file (VirtualBox Disk Image)

Found at: http://forums.virtualbox.org/viewtopic.php?t=52

New Maintainer for CommandLineFu

Welcome to Jon H. (@fart), the new maintainer of CommandLineFu. . In the absence of a forum, I encourage people welcome him, here, in the comments. . Also... What would you like to improve/change about the site?

Backticks are evil

This is a simple example of using proper command nesting using $() over ``. There are a number of advantages of $() over backticks. First, they can be easily nested without escapes: $ program1 $(program2 $(program3 $(program4))) versus $ program1 `program2 \`program3 \`program4\`\`` Second, they're easier to read, then trying to decipher the difference between the backtick and the singlequote: `'. The only drawback $() suffers from is lack of total portability. If your script must be portable to the archaic Bourne shell, or old versions of the C-shell or Korn shell, then backticks are appropriate, otherwise, we should all get into the habit of $(). Your future script maintainers will thank you for producing cleaner code.

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