Sysctl

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Internal

Overview

Gets/sets the kernel state.

Displays all available and "opaque" values.

sysctl -A

For more details about individual configuration attributes, see

Kernel Runtime Configuration

Attributes

hw.memsize

Physical memory size available on the system (in bytes).

kernel.pid_max

Represents the maximum number of processes allowed on the system.

net.core.wmem_max

12582912

net.core.rmem_max

2582912

net.ipv4.tcp_rmem

10240 87380 12582912

net.ipv4.tcp_window_scaling

1

net.ipv4.tcp_timestamps

net.ipv4.tcp_sack

net.ipv4.tcp_no_metrics_save

net.core.netdev_max_backlog

5000

/etc/sysctl.conf

Contains the kernel configuration. It is read by sysctl.