Can Ubuntu have multiple hostnames?
So, it is absolutely possible to have multiple hostnames and domain names for the same system.
Can a server have two host names?
Name-based and IP-based virtual hosting can be combined: a server may have multiple IP addresses and serve multiple names on some or all of those IP addresses. This technique can be useful when using SSL/TLS with wildcard certificates. For example, if a server operator had two certificates, one for *.
Can a Linux server have multiple hostnames?
A server can only have one hostname listed in /etc/hostname .
Can etc hostname have multiple entries?
You can have multiple entries with the same hostname but different addresses in the Windows NT hosts file ( windows\system32\drivers\etc\hosts ). When you access that host on the network, the Windows DNS system will resolve it to one of those entries.
Can a device have multiple host names?
It is possible for a single host computer to have several hostnames; but generally the operating system of the host prefers to have one hostname that the host uses for itself. So, for example, both en.wikipedia.org and wikipedia.org are hostnames because they both have IP addresses assigned to them.
How do I add an entry to ETC hosts?
How to add a static entry in the hosts file?
- Open your text editor in Administrator mode.
- In the text editor, open C:\Windows\System32\drivers\etc\hosts.
- Add the IP Address and hostname. Example: 22.214.171.124 opm.server.com.
- Save the changes.
Can computer have more than one hostname?
Computers are no exception. A computer can have multiple names, typically because these names used in different contexts. Under most operating systems, including all Unix variants (Linux, macOS, etc.) and Windows, there is one name that is known as the hostname, which is what the hostname command displays.
Can a computer have 2 DNS names?
I asked this question to some of them but I got different answers, one said Yes the two DNS server can have the same name. Another guy said No for it, and said it might bring conflict. And another guy told me ‘I am not sure’… yes it can have same DNS server name but not in the same domain.
Can a host have 2 IP addresses?
Yes. All IP Routers (networking) are computers (hosts) with more than one IP Address. Even non-routers can have more than one IP address. Doesn’t even require additional physical NICs in the presence of virtual local area networks (VLAN).
Why do hosts need multiple addresses?
In computer networking, each device/host is assigned 2 different unique address. One physical address, MAC and one logic address, IPv4/IPv6, to make communication possible between any 2 hosts in the network/internet.
Can you have multiple host files?
Hi, unfortunately, no. There cannot be two files with the same name.
Can two computers have the same host and network address?
All public IPs assigned to Routers of ISPs or Routers connecting to Internet are unique. but private IPs of two hosts can be the same if both are connected to different public networks. So the combination of public and private IP identifies your device uniquely.
How do I specify more than one host name in Ubuntu?
If a computer has more than one name, you can specify more than one name on a single line as shown in the following screenshot. In the example, the 192.168.1.10 host has both the short name (server1) and fully qualified domain name (server1.localdomain.local) included in the Ubuntu hosts file.
How do I point multiple host names to a server?
A server can only have one hostname listed in /etc/hostname. I would list your company’s preferred name there. You can, however, point as many different DNS records at the server as you want, either via your /etc/hosts or via your company’s DNS server infrastructure. Your Answer.
Can I set multiple names in/etc/hostname?
Can I set multiple names in /etc/hostname? (The OS is Ubuntu 10.04 Serer). A server can only have one hostname listed in /etc/hostname. I would list your company’s preferred name there. You can, however, point as many different DNS records at the server as you want, either via your /etc/hosts or via your company’s DNS server infrastructure.
What is the hosts file in Ubuntu Linux?
How to Edit the Hosts File in Ubuntu Linux The hosts file which is located at /etc/hosts is a very important network configuration file. The /etc/hosts file is a static DNS file with a list of computer names and their corresponding addresses. The default hosts file of Ubuntu 18.04 Server