(1) Get a host certficate from ASGCCA manager .
User will receive an email from ASGCCA with an attached zip file after requesting host certificate. It contains three files include xxxx.crt(public key), key.pem(private key) and req.pem. If you do not get host certfifcate, please send mail to asgcca@grid.sinica.edu.tw
(2) Put host certificate into the /etc/grid-security and rename it.
(3) Change the permission