Jperf point to point network connection diagnostic

This tool here iperf or jperf, is the one I find very useful in measuring the speed and reliability of a connection either in LAN or through internet/WAN.
and it is cross platform since it is made using java, you just need to install it in each points you want to test, and one or some of them act as server while the rest as client. Continue reading

enabling and disabling your network card using command line

there are two good third party softwares i found to do the job… but first:
purpose, why i need to enable disable network card?
in my case i have this complex computer arrangement that one computer has two connection, one to LAN A one to LAN B, LAN A and Continue reading