apt-get install sysbench

#run cpu test
sysbench --test=cpu run

#rest with multiple threads
sysbench --test=cpu --num-threads=4 run

#io performance tests
(see also: https://www.thomas-krenn.com/en/wiki/Linux_I/O_Performance_Tests_using_dd)

#io throughput
dd if=/dev/zero of=/root/testfile bs=1G count=1 oflag=direct

#io latency
dd if=/dev/zero of=/root/testfile bs=512 count=1000 oflag=direct

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