kazulog@sv1:~$ sudo rm /etc/sysctl.d/99-kazulog.conf
kazulog@sv1:~$ sudo sysctl --system > /dev/null 2>&1; sysctl vm.swappiness net.core.somaxconn
vm.swappiness = 10
net.core.somaxconn = 1024
kazulog@sv1:~$ ls /etc/sysctl.d/
99-cloudimg-ipv6.conf  README.sysctl