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Below are the basic steps for installing  GNS3 0.8.3 on Linux Mint 13 Maya (and  Linux Mint 14) Following same steps should work on Ubuntu...

Below are the basic steps for installing GNS3 0.8.2 on Ubuntu 12.04 and get it started.  Video tutorials on  gns3  website  . (check out...

You can create command alias on Cisco routers/swithces by using the command alias in the global configuration mode See the origal docume...

Running GNS3 on Linux and trying to reach the outside world, you will not be able to use your host PC to telnet to the virtual routers ...

The Virtual PC Simulator (VPCS) is a program that runs within Windows or Linux. It has limited functionality, but it allows pings and tra...

GNS3 is  an excellent tool  for graphical network simulator that allows simulation from simple to complex networks.A complementary tool f...

I will be posting here Linux secrets commands that are not very well known Space Invaders OpenOffice.org 2.0/OpenOffice.org 3.2.1  t...

Searching around I found few ways to do that while using Linux console. Upon entering the script , the prompt will return the public IP add...

Here are some Linux tools that can calculate subnets  ipcalc ~$ ipcalc 192.168.2.1/28 Address:   192.168.2.1          11000000.10101000...

Iperf is open source network performance tool developed by NLANR/DAST. It measures maximum TCP and UDP bandwidth performance and reports ...

I wanted a tool to show system monitoring for my desktop but not to consume a lot of resources. Goggling around I found Conky . Conky is a ...

Using ethtool ethtool is the standard Linux utility for controlling network drivers and hardware, particularly for wired Ethernet devi...