VMWare Linux parameter
From Lolly's Wiki
/etc/sysctl.conf
# vm.swappiness = 0 The kernel will swap only to avoid an out of memory condition.
vm.swappiness = 0
# TCP SYN Flood Protection
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_max_syn_backlog = 4096
net.ipv4.tcp_synack_retries = 3