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  1. ChristophRo

    Question Best Practices for Backing Up (large) Plesk Servers

    We still use the Plesk Backup with great success, even for servers with multiple TB of data - but of course only with local storage. (as everything "remote" gets quirky with that much of data) This allows us and our customers, to easily restore any type of objects from the backups in a fast and...
  2. ChristophRo

    Question PHP 5.3

    Doesn't Cloudlinux still provide PHP 5.3 out of the box? We are using self compiled and built PHP 5.3 packages for our Debian 12 servers, but it was quite a struggle get it working, because of library incompatibilities with almost anything a modern Linux OS comes with nowadays... You also need...
  3. ChristophRo

    Question About ports 465 and 587

    Not really.... Plesk/Postfix enforces TLS/StartTLS for connections on port 587 as well Port 587 is the port to use nowadays. 465 is a legacy construct that may get obsolete and vanish in the future
  4. ChristophRo

    Question Anyone know how to add SSL certificate for mail subdomains

    Not possible within the means of what Plesk provides. You would need to manually adjust Postfix and Dovecot config files, to add the required SNI and certificate configuration for these subdomains. For POP3/IMAP one may adjust/duplicate a config according to...
  5. ChristophRo

    Question SMTP relay?

    Not possible MSMTP only works when no mail service is installed and active on the server. Just keep using Postfix and configure the "relayhost" parameter in /etc/postfix/main.cf to achieve what you are looking for-
  6. ChristophRo

    Question vhosts: Log files are rebuilt

    You also need to delete the logs on /var/www/vhosts/system/domain.de/logs This is the "primary" location of all these logs, and on /var/www/vhosts/domain.de/logs are only hardlinks to these files
  7. ChristophRo

    Question Secure mail.customerdomain.com with Let's Encrypt certificate with no hosting

    Just enable the hosting on the domain, technically this does not hurt or cause any problem
  8. ChristophRo

    Question Reverse DNS is not a valid Hostname (crazy...)

    PTR should either be set to mail.tompaz.org or the postfix myhostname to "tompaz.org" Just make sure the HELO and the PTR do match up exactly, or you will run into problems when sending emails to certain destinations. The hosts file looks OK and does not need any changes
  9. ChristophRo

    Question Secure mail protocols while website on other server (A to a different IP)

    with this method you will need to check and update these DNS records manually every two months. (the certbot renewal will fail otherwise)
  10. ChristophRo

    Question Plesk expert certification

    Some questions (or the possible answers) in the Plesk Expert exam do really seem ambiguous. I've skimmed through the Plesk University courses and yes, not everything is covered there in the details that is asked in the exam. But for an "Expert" certification I really don't mind that. I believe...
  11. ChristophRo

    Question I have changed all Ubuntu permissions and I cannot log in

    reinstall the system and copy over the data, as there is no sane way to recover your server. but a "chmod 700 ./root ./root/.ssh" on the mounted plesk partition should at least allow you to login again. (as Ubuntu will not allow an SSH logon, when stuff in the root folder is readable by anyone)
  12. ChristophRo

    Question Restore Mail without overwrite full inbox

    Any file based backup/recovery procedure should "merge" the emails, as Plesk does use the MDIR format to store emails. (every email is a single file with an unique name)
  13. ChristophRo

    Issue Segfault error 4 in php-fpm likely on CPU 4

    Can you guys test if the segfaults still happen with the new php packages that got released today? Possibly they are related to Segmentation fault on unknown address 0x0001ffff8041 with XML extension under certain memory limit · Issue #14124 · php/php-src
  14. ChristophRo

    Issue Segfault error 4 in php-fpm likely on CPU 4

    We did not have any further segfaults so far, after we disabled "opcache.jit" and "opcache.jit_buffer_size" (i.e. reset it to server/php defaults) and also increased the "opcache.max_accelerated_files" from 8000 to 16000 But this may not be representative, as on that server the segfaults only...
  15. ChristophRo

    Issue Segfault error 4 in php-fpm likely on CPU 4

    Nope, this is not a hardware problem. (our affected system is a VMware based virtual machine anyway, that runs a single Typo3 website) I suspect some obscure opcache/Jit problem, that may only trigger under certain conditions (possibly a combination of conditions), like: - usage of a specific...
  16. ChristophRo

    Issue Segfault error 4 in php-fpm likely on CPU 4

    Just a heads up for everyone affected by it... While I thought that none of our systems were affected, just yesterday we discovered that indeed we have one server showing the same errors for some days now. It's an older system with Debian 10 (initially Debian9 i believe) that is using the PHP...
  17. ChristophRo

    Contribution [HOW-TO] Migration of Plesk roundcubemail to new server

    There are certain caveats, like that your procedure ONLY works properly when migrating to a brand new server and do it all at once. But if you already have some accounts running on the new server, this will screw up big time. The same if you migrate in batches. That being said, it would be...
  18. ChristophRo

    Issue Segfault error 4 in php-fpm likely on CPU 4

    Your image/screenshot is not accessible (possibly for anyone except yourself) As for the segfaults, I do somehow suspect that this problem may only affect Hetzner customer at most, as otherwise I'm quite sure we would have much more similar reports right now. I've never used any services from...
  19. ChristophRo

    Issue Segfault error 4 in php-fpm likely on CPU 4

    I strongly doubt that a new setup does change anything, as it uses the same bits for PHP as lets say a server that was installed a couple months ago. If anything, then our setup may slightly differ from yours, in regards to libraries and additional software packages that may or may not be...
  20. ChristophRo

    Issue Segfault error 4 in php-fpm likely on CPU 4

    Nope, we run our own physical servers and virtual infrastructures Does the problem also happen when using the "OS" PHP version with Plesk? That would eliminate a possible influence of the php compiling process that Plesk uses for it's own shipped versions.
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