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What is the purpose of hostname command differentiate hostname I and hostname?
Hostname is used to display the system’s DNS name, and to display or set its hostname or NIS domain name. When you run the hostname -i command it shows you the IP associated with the system name and not the IP address associated with the network card for which the ip addr or ip a command is correct.
What is the difference between hostname and hostname?
Hostnames are unique identifiers that are used in different modes of communication such as the WWW or email in order to tell a device from another within a domain. Name servers, on the other hand, are fully qualified hostnames. These are basically the servers where you DNS information is actually stored.
What is it like that a host name is resolvable to more than one IP address?
1) A hostname can be resolved to more than one IP address; this is called DNS round robin and can be used for load distribution, load balancing, or fault tolerance. 2) Host names are not in any way related to ports, they only map to one or more IP addresses. An example is the DNS name service provided by Cloudfire.
Can a hostname be resolved in / etc / hosts?
If a hostname can be resolved in /etc/hosts, the DNS doesn’t apply (if files is before DNS). nor is the resolved IP address treated as a “hostname”.
Can you point multiple IPs to a single host name?
You can’t do this with DNS either: you can serve multiple IPs for a single name, but the browser will pick just one of those multiple IPs, try it, and if this host is currently down, the browser will display a connection error. One possible solution is to set up a proxy server and configure these two IPs as the parents for the domain they serve.
Where do I Set my IP address to my host name?
In Windows System, there is this file at C:\\WINDOWS\\system32\\drivers\\etc\\hosts. This file allows us to default a specific IP address to a host name. The issue now is whether I can set multiple IP addresses to a host name.