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Lightweight Command Line Downloading with Aria2

Sometimes you just want a quick and easy way of downloading  large files.  If you’re like me, you want this with as little of a memory footprint as possible.  Aria2 gives me this ability.  When downloading a torrent for a recent Linux release, I was able to do this with only 5MB of memory being used.  No other download programs can give me this. What’s nice about aria2 is that you can download the same file from multiple sources (mirrors) … Continue Reading →


Creating Symlinks – How and Why

As part of your Linux journey, you’ve probably heard of symlinks which are also known as symbolic links.  I figured that since I fixed an error using symbolic links to setup an environment to allow my son to learn program.  I am using something called HacketyHack which can be found here:  http://hackety.com The problem is that on Ubuntu or Debian, the libssl and libcrypto libraries are out of date.  Hackety Hack’s program requires versions greater than 1.0.0 and 0.9.8 is … Continue Reading →


Some Random Helpful Hints

I’ve been slowly collecting a few commands that are useful to me for various things while using Linux.  I figured that I would share some of these handy commands.  In no particular order, they are: To copy, preserving permissions AND structure AND recursively, from a remote system to your local system: Please note that the code above assumes that you are using key based authentication and not password.  For password based authentication, it would look more like this: To remove … Continue Reading →


Chasing Your ‘Tail’ With Linux

‘GNU tail’ is a small utility which prints (by default) the last 10 lines of any file. This an amazing piece of software not only allows you to see the last part of a file but also enables you to monitor a file’s changes without opening the file. ‘tail’ can be used alone or can be combined with other commands like ‘grep’, ‘ls’ etc. To use ‘tail’, let’s first create a text file. You can create the file by issuing … Continue Reading →


Using ‘Alias’ in Linux

There comes a time in every Linux users’ life when you will open the Terminal more often than not because you have realized that it is faster, more efficient and more powerful than GUI (Graphical User Interface).  You’ll have started to learn more and more commands and now feel more comfortable with command prompt.  The command prompt is all about commands – short commands as well as long commands.  If you are like me then you may not like to … Continue Reading →


GNU find – A Multidimensional Tool

Beginners are mostly afraid of command prompt.  Whenever they see a command prompt, they immediately say “its very difficult”.  But it’s not true.  The Command prompt is as friendly as GUI (Graphical User Interface), provided if you use it with proper procedure. Most people use GUI tools to search for files.  They don’t realize that they can use command line tools to search for them as well! GNU ‘find’ is such like a tool which can not only search files … Continue Reading →