A very nice network emulator for PC.

Common Open Research Emulator is a very good networking emulator for Linux machines. This allows a user to create a network layout with IP addresses and see it working. This is very interesting software. Download the source code from Github. ┌─[jason@jason-desktop]─[~/Documents/core] └──╼ $git clone https://github.com/coreemu/core.git┌─[jason@jason-desktop]─[~/Documents/core] └──╼ $git clone https://github.com/coreemu/core.git Then begin the installation like this. … Read more

Best Android apps for 2017.

The best Android apps for 2017 There are some awesome Android apps available now. Here is a selection of the few that I have found useful. Barcode scanner This app can scan barcodes on products and also allow the user to lookup the product online. https://play.google.com/store/apps/details?id=com.google.zxing.client.android&hl=en. Works extremely well. It can also scan QR codes … Read more

How to see free memory on a Linux machine with the free command.

The free command in Linux is used to show the amount of free memory in Linux. The example below shows the default usage of this command. ubuntu@ip-172-31-0-140:~$ free total used free shared buffers cached Mem: 602736 294680 308056 16928 17632 146320 -/+ buffers/cache: 130728 472008 Swap: 0 0 0ubuntu@ip-172-31-0-140:~$ free total used free shared buffers … Read more

How to use aliases with the bash shell and some other useful Linux tricks.

Are you wanting to create an alias and you want to see how they are done? Well a Linux distribution should come with some aliases that are already created for you and you can type the alias ls command to see how one is created. ubuntu@ubuntu:~$ alias ls alias ls=’ls –color=auto’ubuntu@ubuntu:~$ alias ls alias ls=’ls … Read more

Department of Homeland security monitoring social media and blogs.

The Department of Homeland Security is using new resources to watch social media websites such as Facebook, Twitter as well as blogs for any postings that show dissent. They really have gone insane, they are always asking for more and more powers to crush dissent and they are invading the privacy of air travellers with … Read more

Why Linux is virus free.

Richard Stallman is explaining in this video, why the Linux operating system is virus-free, essentially the main reason is the lower market penetration of Linux; compared to Windows which is used by just about every user and business in the world and therefore is a greater and easier target due to the lower security and … Read more