dd if=/dev/zero of=test bs=64k count=4k oflag=dsync

curl -Ss http://86.re/bench.sh |bash

curl -fsL https://ilemonra.in/LemonBenchIntl | bash -s fast
curl -fsL https://github.com/LemonBench/LemonBench/raw/master/LemonBench.sh | bash -s fast

https://www.91yuntest.com/

wget -N --no-check-certificate https://raw.githubusercontent.com/91yun/91yuntest/master/test.sh && bash test.sh -i "io,bandwidth,chinabw,download,traceroute,backtraceroute,allping,gotoping,benchtest" -u

wget -qO- --no-check-certificate https://raw.githubusercontent.com/oooldking/script/master/superbench.sh | bash

wget https://raw.github.com/sivel/speedtest-cli/master/speedtest.py -O  /usr/local/bin/speedtest
chmod a+rx  /usr/local/bin/speedtest
speedtest

wget http://down.eeqiu.net/besttrace4linux.zip
unzip besttrace4linux.zip
chmod +x besttrace
./besttrace -q 1 gd.189.cn