H. Testing our configuration

A. Internet speed test

We must install speedtest-cli.

$pip install speedtest-cli

$speedtest-cli --share

Share the results! 🥇

B. Hard drive

Or in our case micro SD card, but it can also be SSD, HDD, flash, the commands are the same.

B.1.CLI

We will run the following command lines either via terminal or via ssh.

Server throughput - write speed

$ dd if=/dev/zero of=/tmp/test1.img bs=1G count=1 oflag=dsync

Server latency

$ dd if=/dev/zero of=/tmp/test2.img bs=512 count=1000 oflag=dsync

results:

B.2.Disks

We can also use the built in utility that Ubuntu offers. Search for Disks , choose your drive (in our case SD card reader), click on the Settings icon, then Benchmark Partition....

Benchmark:

Test results: