1openssl rsa -in privateKey.pem -out newPrivateKey.pem

This could be an incorrect use of certificates. Make sure to use the following (translate to nginx if you're not using apache) 1SSLCertificateFile /etc/letsencrypt/live/example.com/cert.pem 2SSLCertificateKeyFile /etc/letsencrypt/live/example.com/privkey.pem 3Include /etc/letsencrypt/options-ssl-apache.conf …

https://github.com/ssllabs/research/wiki/SSL-and-TLS-Deployment-Best-Practices

1openssl rsa -in encrypted-private.key -out non-encrypted-private.key 2Enter pass phrase for encrypted-private.key: 3writing RSA key See https://knowledge.digicert.com/solution/SO5292.html

You can fix it by creating .a 'dhparam' file as follows in nginx: 1cd /etc/ssl/certs 2openssl dhparam -dsaparam -out ./dhparam.pem 4096 NOTE: "-dsaparam" is significant. Otherwise, it would take creation of dhparam.pem almost 24hours or more. See …

1yum install certbot.noarch -y 234certbot -d *.example.com \ 5--manual \ 6--preferred-challenges \ 7dns certonly \ 8--server https://acme-v02.api.letsencrypt.org/directory 910... 11... 12create the TXT DNS record NOTE: In creating the cert, make sure to wait for 5minutes or better check in another terminal session if …

If you need to rsync those hidden directories or files starting with dot, do it something like below (note the trailing /) 1rsync -avz -e ssh --progress user@source-server:/somedirA/ somedirB/ See https://stackoverflow.com/questions/9046749/rsync-not-synchronizing-htaccess-file

You just received a D8 database dump and it is said to be complete. However, you see this error: 1[notice] Missing database table: key_value Said table is part of drupal8 so it can't go missing. It could be that the table names for this site has prefix. Check using the command: {code} drush sql-drush "show …

Below are some common performance-impacting issues that your environment(s) may be experiencing: Traffic: Increased traffic to your environment(s) may be causing service to be interrupted on those environments. Apache access logs: https://docs.acquia.com/acquia-cloud/monitor/logs/ Insight: …

See: https://www.acquia.com/sites/acquia.com/files/documents/2020-03/Acquia%20Ultimate%20Guide%20to%20Drupal%209.pdf https://dev.acquia.com/drupal9 https://github.com/mglaman/drupal-check https://phpstan.org/user-guide/getting-started