How to Find or Generate My Hostid Number

The GAUSS License File is generated based on the unique hostid number of the computer or License Server that GAUSS is installed. There are various ways to obtain this number:

myhostid.txt file [macOS: hostid.txt]

The 'myhostid.txt' file [or hostid.txt on macOS] is located in the GAUSSHOME folder where you installed GAUSS, such as gauss19. If this is the first time a particular version of GAUSS is being installed, open the myhostid.txt or hostid.txt with a text editor and copy and paste the contents into your License File Request for a new license file.

License Manager Pop-up

For GAUSS v15.1 and higher

  1. Remove the temporary.lic from your GAUSSHOME folder where you installed GAUSS, such as gauss19.
  2. Start up GAUSS. There will be a pop-up message regarding a License Manager Error.

  3. Press the "Copy" button on the error message pop-up next to the Host ID line. This will copy the hostid number.
  4. Type Ctrl+V [macOS: Command+V] to paste the hostid number into your License File Request for a new license file.
  5. Aptech will re-issue the License File based on the updated information.

Generate/Regenerate an Updated Hostid Number

For GAUSS v11 or higher

To generate/regenerate an updated hostid number, please do the following:

  • macOS/Linux:
    1. Open up a terminal window.
    2. Change directories to your GAUSSHOME folder where you installed GAUSS, such as:
      - macOS: cd /Users/Yourname/gauss19
      - Linux: cd ~/gauss19 (or wherever you installed GAUSS 19)
    3. Type or paste this: lm/rlmhostid
    4. Copy and paste the output into your License File Request for a new license file.
  • Windows:
    1. Open up a Windows Command Prompt. Be sure that when you select the Command prompt icon that you right click and select 'Run as Administrator' to ensure that you have the necessary permissions
    2. Change directories to your gauss19 folder: chdir c:\gauss19
    3. Type or paste this: lm\rlmhostid.exe
    4. Copy and paste the output into your License File Request for a new license file.

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