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Nextcloud: operations, SSO & troubleshooting
Nextcloud is my daily field of work. Here I collect articles on single sign-on (SAML/OIDC), occ, permissions, large uploads, background jobs and object storage – with commands you can verify straight away.
Nextcloud: Collabora's built-in CODE server is being exploited. Check it today
CVE-2026-110447 lets attackers run commands on Nextcloud servers with the built-in CODE app. How to check, update or remove it and look for web shells.
Nextcloud with SAML and OIDC: 8 errors that keep showing up in support
Redirect loop, clock skew, wrong UID, duplicate accounts, missing groups: 8 SAML/OIDC errors from Nextcloud support — each with the cause and the fix.
Topics: DNS, mail & certificates Linux troubleshooting Security & patches