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Matthew
Asked: 2010-12-22 12:31:46 +0800 CST

associate name with ip for ssh?

  • 772

Let's say I just have an ip address for a server and I don't have a domain with it (it's just a database server, so it doesn't need a domain). I don't want to have to remember the ip address every time, so is there a way I could still use the syntax like ssh username@database or something?

ubuntu ssh ip ip-address host

5 Answers

  1. Best Answer

    If you only want the name for ssh and ssh only, you can add a name to your ssh config in ~/.ssh/config

    As an example, your config file could look like this:

    Host database
    HostName <real IP address or hostname here>
    User username

    Then you can type ssh database on the command line and ssh will automatically do ssh [email protected] for you.

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  2. Add an entry for it to /etc/hosts on the system you're ssh'ing from.

    The syntax is

    1.1.1.1 hostname

    This works on Linux and Mac. For Windows, the file is c:\windows\system\drivers\etc\hosts.

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  3. clients have 2 or 3 ways to associate a name with a IP address.

    1) DNS, but that implies a hostname and a domain.

    2) host file, you can add any name in the clients host file and then it will be used. Add the line '192.168.1.1 database' in /etc/hosts to associate the name database with the address 192.168.1.1. See http://en.wikipedia.org/wiki/Hosts_%28file%29 for more specific details and OS specific locations.

    3) NIS, Solaris computers can use NIS to share hostnames for multiple clients.

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  4. You need just to add the database name-IP mapping to your /etc/hosts file. The hosts file can be easily edited. You will find some entries there.

    This name can be used for any connection not just SSH.

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  5. Create a DynDNS, it's free, in five minutes you can add a A record that points to your IP.

    For example: create database1.dyndns.org as an A record pointing your ip
    You can access from everywhere using:

    ssh [email protected]

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