- Plesk Onyx for Linux
The following error appears in an attempt to install an SSL certificate on a domain:
PLESK_ERROR: Error: Unable to set the private key: Probably, the private key format is invalid.
Checking the modulus part provides with the next output:
# openssl rsa -text -noout -example.com -modulus | grep "Modulus="
Error opening Private Key example.com
140206192482120:error:02001002:system library:fopen:No such file or directory:bss_file.c:398:fopen ('example.com','r')
140206192482120:error:20074002:BIO routines:FILE_CTRL:system lib:bss_file.c:400:
unable to load Private Key
The affected SSL certificate was previously used on another VPS.
The SSL certificate is corrupted.
Contact SSL/TLS certificate issuer support in order to reissue the certificate.