Technical Questions
Help articles related to Plesk migration, upgrades, databases ant etc.
Other
- How to diagnose a DoS/DDoS attack and find websites under attack on a Plesk server
- How to manage local firewall rules using Plesk Firewall in Plesk for Linux
- How to monitor usage of system resources in a period of time using atop?
- How to get support directly from Plesk?
- Cross Site Scripting Vulnerability in Horde Webmail
- How to enable secure TLS versions and ciphers in Plesk for Linux
Plesk Service/Interface
- MySQL fails to start when a Plesk server lacks disk space: SQLSTATE[HY000] No space left on device 500 Plesk\Exception\Database
- Unable to create domain alias or subdomain in Plesk: There are no available resources of this type
- Subscriptions are sorted by ID instead of by name in Plesk 18.0.43
- Plesk and websites are inaccessible after updating Plesk to Obsidian 18.0.43 on RHEL 8-based OS: DB query failed: SQLSTATE[HY000] [2002] No such file or directory
- Unable to access Plesk: /opt/psa/admin/bin/dnsmng: not found
- Upcoming changes in the Plesk Password Strength Policy
Webserver
- Access logs are not rotated on Plesk server: Rotation of files with multiple hard links is not allowed
- How to disable specific ModSecurity rules in Plesk
- After updating Plesk Obsidian to 18.0.43, the "plesk repair web" utility reports an error: There is a disabled required Apache module: php7.4
- How to disable ModSecurity server-wide on Plesk for Windows?
- CVE-2022-22965: vulnerability in Spring Framework for Java applications running on Tomcat
- How to configure varnish cache for a domain in Plesk?
Applications & Extensions
- Throbber (refresh) icon keeps spinning in the Log File Analyzer of SEO Toolkit in Plesk
- Plesk DigitalOcean DNS extension is creating records with the duplicated domain name
- Plesk monitoring extension shows empty graphs: origin not allowed
- Cannot issue a Let's Encrypt certificate: The Let's Encrypt extension is no longer available. To issue SSL/TLS certificates, install the SSL It! extension
- Plesk WordPress Toolkit 5.9.2 and above does not detect instances that were detached
- ModSecurity Atomic rules update or activation fails: modsecurity_ctl failed: Atomic Updater Modified (AUM) Installer (v6.0.0)
Backup, Restore & Migration
- Backup process can be stuck since Plesk update to 18.0.41 spawning a lot of backupmng processes
- Unable to schedule domain's backups in Plesk: Certificate has expired
- Unable to start migration in Plesk: Failed to connect to the source server 'source' (203.0.113.2) by SSH: encountered RSA key, expected OPENSSH key
- Mailboxes are not created during migration of a subscription with suspended owner via Plesk Migrator
- How to extract files from a Plesk backup archive
- How to switch to the new tokens scheme after Dropbox Backup update?
Databases
- How to fix InnoDB corruption cases for the MySQL databases on Plesk for Linux?
- Unable to start MariaDB 10.6 on a Plesk server: Bind on TCP/IP port. Got error: 22: Invalid argument
- MySQL package fails to update on Plesk server: The GPG keys listed for the "MySQL 5.7 Community Server" repository are already installed but they are not correct for this package.
- In Plesk, dumps of MySQL databases with DEFINERs/TRIGGERs are exported with incorrect syntax of queries that should create DEFINERs/TRIGGERs
- Unable to repair domains in Plesk using "plesk repair db" utility: The following domains are assigned to already removed IP addresses
- Unable to restore the Plesk psa database: ERROR 1813 (HY000) at line 104: Tablespace for table '`psa`.`tablename`' exists. Please DISCARD the tablespace before IMPORT
Installation & Upgrade
- How to open all ports on local server needed by Plesk automatically?
- Does Plesk support Ubuntu 22.04 LTS?
- New components can not be installed on a Plesk Obsidian server with the EOLed OSes: repository 'http://autoinstall.plesk.com/pool/PSA_18.0.34_5691 xenial Release' does not have a Release file
- Plesk fails to update to version 18.0.42 or newer fails: Failed to solve dependencies: package requires python3
- System packages update is not working on Plesk RHEL-based server: Error: Failed to download metadata for repo 'PLESK_17_PHP74
- Plesk Installer fails on RHEL/AlmaLinux/Rocky Linux/CentOS 8 server with MariaDB: Version is not specified
- Seafile WebDav (seafdav) fails to load with error: 504 Gateway Time-out
- Unable to set up a mail autodiscover profile on iOS for a mailbox in Plesk: Invalid profile
- Unable to activate the mail service on a domain: mailmng-outgoing failed: ERROR:__main__:UNIQUE constraint failed: vhost_ids.guid
- Unable to connect to mailbox on Plesk via IMAP/POP3: "Maximum number of connections from user+IP exceeded" OR "Maximum connection limit reached"
- IMAP folders are not displayed in Outlook
- PHP mail() cannot send mail on Plesk server: The user user is not allowed to send email
DNS & Statistics
- Transfer DNS button is missing in Plesk
- Is it possible to manage DNSSEC via command-line interface in Plesk?
- Unable to start BIND on Plesk server: Failed with result 'timeout'
- Domains hosted on Plesk server cannot be accessed: DNSPROBE FINISHED ERROR
- Unable to update web-statistics in Plesk: Unable to parse pending domains traffic line
- Unable to start DNS service on the Plesk server: missing semi-colon before dnssec-lookaside
Website Builder
- Unable to publish website in Web Presence Builder: Unable to Connect to ssl://feedback.pp.parallels.com:443: Name or service not known
- Migration from WPB 12.0 to WPB 17.8.12
- How to enable Web Presence Builder for all websites?
- Web Presence Builder "Text & Images" module is displayed on all website pages instead of being displayed only on the page where the module had been added
- Error while accessing Web Presence Builder: Base table or view not found
- Unable to backup/restore a snapshot for Web Presence Builder in Plesk for Windows: Invalid Snapshot