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Switch to insert mode and save the file by entering IP address, gateway, DNS and domain information respectively. (press ESC key and type :wq to save)
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The Run the netplan apply command is run to save the settings made.
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After the SECHARD server is deployed, only the IP address needs to be changed in order to access it. The IP address can be modified by manually editing the ifcfg-ens160 file or using the NetworkManager Text User Interface nmtui tool. /etc/sysconfig/network-scripts/ifcfg-ens160
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