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# 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
```
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