Unix

Linux / Unix Desktop Fun: Cat And Mouse Chase All Over Your Screen

by on September 29, 2012 · 3 comments

in Debian Linux, Open Source

Oneko is a little fun app. It will change your cursor into mouse and creates a little cute cat and the cat start chasing around your mouse cursor. The word “neko” means “cat” in Japanese and it was originally written by a Japanese author as a Macintosh desktop accessory.

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remark Command: Highlight Any Text or Command Output Using Regular Expressions

by on August 31, 2012 · 8 comments

in Command Line Hacks

The remark command is a little know tool that can be used to color syslog file as well as output of of programs such as ping, traceroute, and much more.

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5 Linux / Unix Commands For Connecting To The Serial Console

by on August 28, 2012 · 9 comments

in Command Line Hacks, Hardware, Networking

Most embedded Linux / BSD systems such as routers, servers and nas devices comes with console interface (serial port with RS-232). BIOS can uses this, and after boot BIOS screen I/O is redirected so that you can use the device. RS-232 is also used for communicating to headless server, where no monitor or keyboard is installed, during boot when operating system is not running yet and therefore no network connection is possible. You need to use a serial cable between your computer and embedded system or server. In this post I will cover five conman utilities used for serial communication under Linux / Unix / *BSD and Mac OS X.

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Linux / Unix pv Command: Monitor Progress of Data Sent Via a Pipe

by on August 28, 2012 · 2 comments

in Command Line Hacks

The pv command allows you to see the progress of data through a pipeline. It provides the following info:

  1. Time elapsed
  2. Percentage completed (with progress bar)
  3. Current throughput rate
  4. Total data transferred
  5. ETA

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pinfo: Read Linux Info Documentation in Colors

by on July 18, 2012 · 0 comments

in Command Line Hacks

You can display man pages in colors. Similarly, you can display info pages in colors. The info command is used under Linux or Unix to read multipage documentation and act as help viewer working on a command line interface, useful when there is no GUI available on the server. The info command processes info files. All info files are are in Texinfo format. You get the documentation tree. pinfo is a little known tool that can display info pages in colors.

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