# ls -l /etc/ssl/certs/vcf_https.crt
-rw-r--r-- 1 root root /etc/ssl/certs/vcf_https.crt
# ls -l /etc/ssl/private/vcf_https.key
-rw-r----- 1 root root /etc/ssl/private/vcf_https.key
nginx -t && systemctl reload nginx