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Plesk Obsidian articles
Plesk Obsidian runs on Linux and Windows. Strong WordPress Toolkit, Docker support, and security extensions.
26 articlesPlesk Obsidian licensing & pricing →
Tutorials & how-tos
All tutorials & how-tos →8 min
Set up secondary DNS for Plesk with Slave DNS Manager
A Plesk box serving its own DNS is a single point of failure. Wire up a plain BIND server as a secondary nameserver with the Slave DNS Manager extension.
2026-08-24
7 min
Plesk MCP Server: managing hosting with Claude and ChatGPT
Plesk's beta MCP Server extension exposes the REST and WP Toolkit APIs to Claude, ChatGPT, and Gemini — how to install it, scope access tokens, and what still breaks.
2026-08-20
7 min
Plesk 360 setup guide for centralized licenses and monitoring
Plesk 360 is the SaaS control plane for everyone running more than one Plesk box — license management, uptime monitoring, and SSO into every panel from one dashboard.
2026-07-27
7 min
Use the Plesk REST API with reseller and customer accounts
Plesk Obsidian 18.0.79 opens the REST API to reseller and customer accounts and adds file, log, and impersonation endpoints — how to authenticate and use them.
2026-07-24
7 min
Set up the Plesk Firewall extension without locking yourself out
Enable the Plesk Firewall extension, open the right ports, write custom allow/deny rules by IP and country, and use the 60-second rollback so a bad rule never strands you.
2026-07-08
8 min
Set up reseller accounts and plans in Plesk
Plesk resellers are a different primitive from WHM resellers — a reseller plan, then a subscription. Set the limits, permissions, and overuse policy so one reseller can't sink the box.
2026-06-28
7 min
Plesk WordPress Toolkit: staging, cloning, and Smart Updates
Set up WordPress staging, clone and sync sites, and run Smart Updates in Plesk WP Toolkit — the workflow agencies use to ship plugin updates without breaking client sites.
2026-06-20
7 min
Configure Plesk Fail2Ban jails to stop brute-force attacks
Enable Plesk's Fail2Ban, tune the default jails, whitelist your own IPs, and fix the silent failures where bans show in the panel but never reach iptables.
2026-06-08
9 min
Plesk Docker extension: container management for hosting customers
Install the Plesk Docker extension, expose it to the right accounts, wire domain-to-container proxies, and avoid the security and persistence traps before customers touch it.
2026-05-18
9 min
Plesk repair utility — fix web, mail, db, and filesystem from CLI
When to run plesk repair web, mail, db, fs, or all — the scope each subcommand actually covers, the flags that prevent downtime, and the cases where repair makes things worse.
2026-05-17
7 min
Plesk outbound mail throttling: stop abuse before Spamhaus does
Per-domain Postfix caps, PHP-to-port-25 lockdown, and Plesk's outgoing-mail controls — the layered defence that keeps one compromised mailbox from blacklisting the whole server.
2026-05-17
10 min
Set up Plesk Git deployment for client sites
Wire GitHub, GitLab, or Bitbucket to a Plesk subscription so every push deploys to the document root, runs your build step, and leaves the staging copy untouched.
2026-05-17
7 min
Plesk Backup Manager: ship backups to S3, Wasabi, or B2
Configure Plesk Backup Manager to ship server-level backups to S3-compatible object storage — AWS S3, Wasabi, or Backblaze B2 — with the right endpoints, IAM policy, and retention.
2026-05-17
7 min
Installing Plesk Obsidian on AlmaLinux 9
Clean Plesk Obsidian install on AlmaLinux 9 — auto-installer flags, the SELinux and firewalld settings that bite you on first boot, license activation, and a short post-install checklist.
2026-05-17
2 min
How to install Plesk Obsidian on Ubuntu 24.04 LTS
Step-by-step Plesk Obsidian install on a fresh Ubuntu 24.04 server — auto-installer, license activation, and the post-install checklist that prevents 90 % of support tickets.
2026-05-10
Comparisons
All comparisons →10 min
Plesk on Windows vs Plesk on Linux: what you actually lose
Plesk is the only mainstream panel that runs on Windows Server, and the license costs the same either way — but the stack underneath swaps out and most add-ons go away.
2026-08-23
3 min
Plesk Web Pro vs Web Host — which edition pays off, and when
Reseller-oriented breakdown of Plesk's editions — domain limits, reseller management, and the two real differentiators that decide the upgrade from Web Pro to Web Host.
2026-08-08
9 min
PHP handlers in Plesk: FPM by nginx, FPM by Apache, FastCGI, and CGI
Plesk gives you five PHP handlers per domain — and the choice between nginx-only FPM and Apache-fronted FPM is the one most admins get wrong. Here is the trade-off, with memory math and recommendations.
2026-05-18
Troubleshooting
All troubleshooting →5 min
Fix Plesk Let's Encrypt certificate renewal failures
The daily "Could not issue/renew Let's Encrypt certificates" email hides five distinct failures. Match the real error string to the fix — HTTP-01, DNS TXT, wildcard, rate limit, or stale chain.
2026-06-27
5 min
Fix Plesk license errors: invalid, expired, and IP-bound keys
Decode the common Plesk license errors — invalid key, expired key, IP-bound, and connectivity failures — and fix each one from the CLI in minutes.
2026-06-10
4 min
Fix Plesk "server components not configured" after an upgrade
What triggers Plesk's "components not installed" state after an upgrade and the exact repair sequence using plesk installer and diagnose-repair.
2026-05-16
4 min
Whitelist Plesk ModSecurity rules without breaking ruleset updates
Surgical fixes for Plesk ModSecurity false positives — by rule ID, by IP, per-domain, and per-directory — with snippets that survive ruleset updates.
2026-05-16
4 min
Fix Plesk update failures — FetchFailedException, 502, and conflicts
Resolve the most-reported Plesk update errors — Package Update Manager FetchFailedException, HTTP 502 on autoinstaller, and 18.0.x upgrade conflicts.
2026-05-16
Pricing & licensing
All pricing & licensing →News & changelogs
All news & changelogs →3 min
Plesk CVE-2026-65646, 65642, and 65647: patch your server
Three critical Plesk flaws expose server files, customer databases, and root access. Check the affected builds and update Plesk plus both extensions.
2026-08-25
6 min
Plesk Obsidian 18.0.79: what's new and why to upgrade now
Plesk Obsidian 18.0.79 opens the REST API to resellers and customers, adds SQL Server 2025 support and an AlmaLinux 8-to-9 upgrade script, and ships a security-audit-driven hardening pass.
2026-07-30