User interface error

Have you ever encountered similar problems during the n-time tryout of the SSL signing process?

# openssl rsa -in cakey.pem -out cakey.pem
Enter pass phrase for cakey.pem:
User interface error
unable to load Private Key
26116:error:0906A068:PEM routines:PEM_do_header:bad password read:pem_lib.c:403:

or...

# ./CA.pl -sign
Using configuration from /usr/lib/ssl/openssl.cnf
Enter pass phrase for ./demoCA/private/cakey.pem:
User interface error
unable to load CA private key
26676:error:0906A068:PEM routines:PEM_do_header:bad password read:pem_lib.c:403:
Signed certificate is in newcert.pem

This is a single-echo-pill solution.

ad. 1

# echo | openssl rsa -in cakey.pem -out cakey.pem
Enter pass phrase for cakey.pem:
writing RSA key

ad. 2

# printf "y\ny\n"| ./CA.pl -sign
Using configuration from /usr/lib/ssl/openssl.cnf
Enter pass phrase for ./demoCA/private/cakey.pem:
Check that the request matches the signature
Signature ok
Certificate Details:
[...]
Sign the certificate? [y/n]:

1 out of 1 certificate requests certified, commit? [y/n]Write out database with 1 new entries
Data Base Updated
Signed certificate is in newcert.pem

Enjoy.

maximum number of instances of the package

Sometimes there is a need of existence of concurrent versions of the same package.
It is not a issue why, but how to achieve this behaviour.

During the normal installation procedure of the package, with the same name but different version then already installed one,
there is a chance to see a similar message:

# pkgadd -d somepkg*dstream
[...]
Current administration requires that a unique instance of the
<somepkg> package be created.  However, the maximum number of
instances of the package which may be supported at one time on the
same system has already been met.

No changes were made to the system.

To resolve the conflict change the value of MAXINST variable from inside the pkginfo file
(during the package build process).

For example, to allow the coexistence of maximum number of two packages use the following:

MAXINST=2


# pkgadd -d somepkg*dstream
[...]

Installation of <somepkg.2> was successful.