Configuring the Network
In Red Hat, basic network configuration is generally done at installation time, when configuring the base system, but network interfaces may be added or deleted at any time. As with other UNIX systems, all configuration data is stored in text files in the /etc tree.
An important thing to consider is that Linux, like other UNIX systems, can be reconfigured on-the-fly. In other words, almost any parameter can be changed while the system is operating, without rebooting. This makes it easy to experiment and correct configuration problems. However, if you are new to making permanent configuration changes, it is recommended that you reboot after making any important configuration changes, to ensure the correct configuration ...
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