I echo "30" > /proc/sys/vm/swappiness echo "0" > /proc/sys/vm/page-cluster echo "1" > /proc/sys/vm/laptop_mode [1] echo "1" > /proc/sys/vm/oom_kill_allocating_task echo "0" > /proc/sys/vm/dirty_expire_centisecs echo "0" > /proc/sys/vm/dirty_writeback_centisecs echo "60" > /proc/sys/vm/dirty_background_ratio echo "95" > /proc/sys/vm/dirty_ratio echo "0" > /proc/sys/net/ipv4/tcp_timestamps echo "1" > /proc/sys/net/ipv4/tcp_no_metrics_save