x509certificate
Unable to load certificate.pem
Actually, here is such a mistake:
/ssl openssl x509 -inform der -in site_ru.crt -out site_ru.pem
unable to load certificate
... at the beginning or at the end:
/ssl xxd -l 10 site_ru.crt
00000000: 2d2d 2d2d 2d42 4547 494e -----BEGIN