Binding NIC cards in Ubuntu to create redundancy

If you have 2 network interfaces in Ubuntu, you may want to bind them together to create redundancy. If you bind two NICs together, 1 can be unplugged, or unavailable to the network and the IP address will still broadcast through the other NIC. So here’s how to do it in Ubuntu. Install ifenslave: sudo apt-get install ifenslave Add some settings into the /etc/modules file: echo “bonding mode=active-backup miimon=100...

Read More

Realtime Bandwidth monitoring tools on Ubuntu

Speed tests are nice for a simple look at whether or not you’re getting the speed you pay for from your ISP. However, if you want a detailed look at what’s going in and our of your system, you need to be monitoring the actual ethernet adapter. Ubuntu lets you do that with a couple of different commands. sudo iftop sudo bmon I prefer iftop. You have to install it though as it is not a core system functionality. sudo apt-get install...

Read More