# Testing performance See the drive specs by using the identifier ``` fdisk -l ``` For disk speeds make sure there is no load and run ``` hdparm -Ttv /dev/sdc1 ``` Cheap and cheerful: Read test: ``` dd if=/dev/zero of=./test bs=512k count=2048 oflag=direct ``` Write test: ``` /sbin/sysctl -w vm.drop_caches=3 dd if=./test of=/dev/zero bs=512k count=2048 ``` ## Networking To check the network devices installed use ``` lshw -class network ```