(Optional) Steps for updating PKI Services environment variables

Before you begin

Examine the values in the environment variables file (by default, pkiserv.envars) and determine whether you need to update any values. (See Environment variables in the environment variables file for a description of the environment variables and The pkiserv.envars environment variables file for a code sample of the environment variables file.)

Perform the following steps to update PKI Services environment variables:

If you did not install sendmail in its default location (/usr/sbin), update the PATH environment variable to the location of sendmail. If you are running sendmail as a server, update the PATH environment variable to /bin.
Make any needed changes to PKISERVD, such as updating the path name of the environment variables file (FN and DIR parameters). (See PKISERVD sample procedure to start PKI Services daemon for a code sample of the PKISERVD procedure.)
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_PKISERV_VARDIR specifies the path name for a directory in which PKI Services writes persistent data. The maximum length of the path name is 256 characters, including the trailing /. The default value (if you do not set the environment variable) is /var/pkiserv. For example:
```
 _PKISERV_VARDIR=/var/mypkiserv/
```
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If you do not define _PKISERV_EXIT or if it contains a null value, the PKI exit processing is disabled. If you have implemented an AUTORENEW exit, set _PKISERV_EXIT to the absolute path name of the exit program name. The maximum length is 256 characters including the program name. For example:
```
 _PKISERV_EXIT=/mydir/renewexit
```
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Update any other values as necessary.
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