To view the current config or other parameters of the kernel, use cat to view the contents of the various files in /proc
cat /proc/uptime
cat /proc/sys/net/netfilter/nf_conntrack_maxAny changes made using the following method will NOT persist a system reboot.
To change the running configuration of the kernel use the sysctl utility.
sysctl -w net.netfilter.nf_conntrack_max=131072Any changes made using the following method WILL persist a system reboot.
Create a new file in /etc/sysctl.d/ with the .conf extension
vim /etc/sysctl.d/net.confConfigure your overrides
net.ipv4.conf.all.arp_filter = 1
net.ipv4.conf.all.arp_ignore = 2
net.netfilter.nf_conntrack_max = 500000Don't forgot to enable any necessary modules if you add relating parameters.