How to install and run ANSYS ap121_calc.exe on Linux
ANSYS ap121_calc.exe is a program that generates a license file for ANSYS software on Linux systems. It is usually found in the ANSYS installation folder or downloaded from online sources. In this article, we will show you how to install and run ANSYS ap121_calc.exe on Linux and troubleshoot some common issues.
Ansys Ap121 Calc.exe
Installation
To install ANSYS ap121_calc.exe on Linux, you need to have the following prerequisites:
A valid ANSYS license file (license.dat) that matches your hardware and software configuration.
A Linux system with a compatible version of FLEXlm license manager installed. You can check the compatibility matrix here: [ANSYS Compatibility].
Root or sudo privileges to modify system files and run commands.
Once you have these prerequisites, follow these steps to install ANSYS ap121_calc.exe on Linux:
Copy the ANSYS ap121_calc.exe file to a convenient location on your Linux system, such as your home directory or /opt/ansys.
Open a terminal and navigate to the directory where you copied the file.
Make the file executable by running the command: chmod +x ap121_calc.exe
Run the file by typing: ./ap121_calc.exe
The program will ask you to enter your hostname and MAC address. You can find these information by running the command: hostname -f and ifconfig -a respectively.
The program will generate a license file named license.txt in the same directory. Open the file with a text editor and verify that the hostname and MAC address are correct.
Edit the port number in the license file to match the port number used by FLEXlm on your system. You can find this information by running the command: netstat -an grep 1055. If the port 1055 is already in use by another process, you can change it to another available port, such as 1056.
Save and close the license file.
Copy the license file to the FLEXlm license directory, usually /usr/local/flexlm/licenses or /opt/ansys/shared_files/licensing.
Restart the FLEXlm license manager by running the command: /etc/init.d/lmgrd restart or /opt/ansys/shared_files/licensing/start_ansyslm.sh
Running
To run ANSYS software using the license file generated by ap121_calc.exe, you need to set the environment variable ANSYSLMD_LICENSE_FILE to point to the license file location. For example, if you copied the license file to /opt/ansys/shared_files/licensing/license.txt, you can run the following command before launching ANSYS:
export ANSYSLMD_LICENSE_FILE=/opt/ansys/shared_files/licensing/license.txt
You can also add this line to your .bashrc or .profile file to make it permanent.
Troubleshooting
If you encounter any problems while installing or running ANSYS ap121_calc.exe on Linux, here are some possible solutions:
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If you get an error message saying "Invalid host" or "Invalid hostid", make sure that your hostname and MAC address are correct in the license file and match your system configuration. You can also try using your IP address instead of your hostname.
If you get an error message saying "Cannot connect to license server" or "License server does not support this feature", make sure that your FLEXlm version is compatible with your ANSYS version and that your firewall settings allow communication between your system and the license server. You can also try using a different port number for FLEXlm.
If you get an error message saying "No such feature exists" or "Feature has expired", make sure that your license file is valid and has not expired. You can also try contacting ANSYS support for assistance.
For more information, you can refer to the ANSYS Licensing Guide or the ANSYS Customer Portal.
I hope this article was helpful for you. If you have any questions or feedback, please leave a comment below.
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