update sysbench command

sysbench.sh

@@ -1,8 +1,11 @@
 #!/bin/bash
 
-echo "" > sysbench.log
+echo "" > bench.log
 
-sysbench --test=cpu --cpu-max-prime=20000 run >> sysbench.log
-sysbench --test=fileio --file-total-size=5G prepare &>/dev/null
-sysbench --test=fileio --file-total-size=5G --file-test-mode=rndrw --init-rng=on --max-time=300 --max-requests=0 run >> sysbench.log
-sysbench --test=fileio --file-total-size=5G cleanup &>/dev/null
+curl -s https://packagecloud.io/install/repositories/akopytov/sysbench/script.deb.sh | sudo bash &>/dev/null
+sudo apt -y install sysbench &>/dev/null
+
+sysbench cpu --cpu-max-prime=20000 run >> sysbench.log >> bench.log
+sysbench fileio --file-total-size=5G prepare &>/dev/null
+sysbench fileio --file-total-size=5G --file-test-mode=rndrw --time=300 --max-requests=0 run >> bench.log
+sysbench fileio --file-total-size=5G cleanup &>/dev/null