Log in to the HPC system
Please see this document to complete the OTP token registration process for the system account first.
Step 1. Connect to the terminal
After you finish all the prerequisites. Please select a login tool according to your operation systems.
Windows users may download and install SSH client software (e.g., PuTTY); macOS user may uses built-in terminal to connect.
Login from Windows
Third-party software: MobaXterm
Step 1. Open MobaXterm
Please download the software from MobaXterm Home Edition (Portable edition), unzip it, and run MobaXtermPersonal[version].
Step 2. Create a connection
Click Session in the upper left corner.
Follow the diagram and steps to complete the settings and establish a connection:
- Click SSH
- Enter ln01.twcc.ai in
Remote host
- Enter system account in
Specify username
- Click OK to establish the connection
Third-party software: PuTTY
Step 1. Open PuTTY
- After opened:
- Enter ln01.twcc.ai
- Click Open
- After finished, the PuTTY terminal window will pop out and show the login page.
Login from Linux/macOS
Built-in Terminal
See the connection method:
If you fail to log in 3 times in a row, you will have to wait 15 minutes before you can login again.
Step 2. Enter your system account
- Enter your system account in the terminal.
Step 3. Select a login method
There are three login methods:
- Login method 1. 「Mobile App OTP」: Obtain the OTP through the IDExpert app using your cellphone. See this document for more detailed instructions.
- Login method 2. 「Mobile APP Push」: Log in through the biometric authentication on the IDExpert App on your cellphone.
- Login method 3. 「Email OTP」: By choosing this method, the system will automatically send the OTP authentication code to your email or phone. There's no need to use the mobile app.
- Select a login method, and enter your system account password and the OTP to log in.
Login method 1. Mobile App OTP
- Enter 1 for the Login method. Open the IDExpert app on your cellphone to check your OTP.

Login method 2. Mobile APP Push
- Enter 2 for the Login method. Open the IDExpert app on your cellphone and verify through the biometric authentication.

Login method 3. Email OTP
Enter 3 for the Login method. Then, you should receive the OTP through email notification or SMS.
- Email notification
- SMS
If you want to change your OTP notification preferences, you can go to the OTP & System Account Information page to modify your preferences.
Log out the HPC system
Enter the command below to log out Taiwania 2 (HPC CLI).
exit