Network check
ping google.com
ping 8.8.8.8
Speed check
wget –no-check-certificate https://raw.githubusercontent.com/sivel/speedtest-cli/master/speedtest.py
sudo python speedtest.py --share
Speedtest results will show as url
https://www.speedtest.net/result/114514
Copy result address as graphic format
https://www.speedtest.net/result/114514.png
Installing Java Runtime Environment / Java Development Kit is install or not
sudo apt-get update
sudo apt-get install default-jre -y
sudo apt-get install default-jdk -y
Check Environment
java -version
Now it will show something just like this
openjdk version "1.8.0_141"
OpenJDK Runtime Environment (build 1.8.0_141-8u141-b15-1~deb9u1-b15)
OpenJDK Zero VM (build 25.141-b15, interpreted mode)