/etc/sysctl.conf
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## /etc/sysctl.conf

Above commands let the system remember new settings until the next system restart. If you want to make the change permanent you have to edit file: /etc/sysctl.conf and add the property at the end of the file:

    fs.file-max=360000
    net.ipv4.ip_local_port_range=1024 65000net.ipv4.tcp_keepalive_time=60
    net.ipv4.tcp_keepalive_probes=3
    net.ipv4.tcp_keepalive_intvl=90

It will be automatically loaded next time you start the server. Command:

    # sysctl -p

Causes the /etc/systcl.conf to be reloaded which is useful when you added more parameters to the file and don’t want to restart the server.

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