How To Use Etc Sysconfig Network

If you are working with a linux system using a gui you can configure the network interface via an icon in the far upper right of the screen.

How to use etc sysconfig network. 13 2 5 for more information edit source. For a more in depth look at the new protocol refer to the following online. For information about how to set up various types of tunnels using the etc sysconfig network files see the man page of ifcfg tunnel man ifcfg tunnel. This file configures how apmd functions at boot time depending on whether the hardware supports advanced power management apm or whether the user has configured the system to use it the apm daemon is a monitoring program that works with power management code within the. The etc sysconfig arpwatch file is used to pass arguments to the arpwatch daemon at boot time.

With the new version of red hat linux 6 2 the forward ipv4 parameter is now specified in the etc sysctl conf file instead of the etc sysconfig network file. For more information about what parameters you can use in this file type man arpwatch by default this file sets the owner of the arpwatch process to the user pcap. If networkmanager is starting that device or has already started it nothing more is done for that file and the next onboot yes file is checked. The etc sysconfig apmd file is used by apmd to configure what power settings to start stop change on suspend or resume. The above overview does not cover the topic of ipv6 comprehensively.

This file is the system databases and name service switch configuration file. With rhel centos 8 the ifup and ifdown commands are part of networkmanager rpm unlike older releases where these were part of initscripts rpm. It provides sources for common configuration databases and name resolution mechanisms. Most network configuration information is stored there with the exception of vpn mobile broadband and pppoe configuration which are stored in etc networkmanager subdirectories. If networkmanager is not yet starting that device the.

The etc sysconfig directory is a location for configuration files and scripts. On bootup etc init d network reads through all the ifcfg files and for each one that has onboot yes it checks whether networkmanager is already starting the device from that ifcfg file. In some cases ifconfig lists the interface eth0 but i don t find the corresponding ifcfg eth0 file whereas in other instances if i create the ifcfg eth1 file and restart the network like service network restart this interface is not listed in ifconfig. On rhel centos 8 with networkmanager. So since you are using networkmanager you can also use ifup and ifdown to refresh the network configuration of any interface.

Your network is now configured and your system is connected to your local network and optionally the internet.