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Computer-Administrator.com bundles comprehensible information for everyone who wants to operate, secure or better understand IT systems. From quick problem solving in the workplace to planning stable server and network infrastructures, you will find practical orientation here.
We pick up on developments from the IT world, explain technical connections without unnecessary detours and show what really matters in terms of maintenance, data protection, backup, updates and secure work.
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Stable systems start with good decisions
Administration means more than fixing errors. Regular maintenance, traceable configurations, secure accesses and working backups create the basis for an IT you can rely on.
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News and advice
News from the IT world
New contributions, background and helpful solutions around computer administration.
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OpenSSH 10.6p2: check musl systems without losing SSH access
As of 8 November 2026. Portable OpenSSH 10.6p2 was released on 5 November. It provides a critical workaround for a possible password…
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LibreOffice 26.2.7: verify the update and prepare a branch migration
As of 7 November 2026. LibreOffice 26.2.7 has been available since 3 November. It is the last release of the 26.2 branch,…
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Firefox 159.0.1 on Linux: Safely check swapped red and blue colours
Updated: 6 November 2026. If a video-call background effect suddenly turns red areas blue, the camera is not necessarily broken. Firefox 159.0.1,…
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Firefox 159.0.1: safely check passkey sign-in across related websites
Updated: 4 November 2026. Firefox 159.0.1, released on 3 November, fixes failed passkey sign-in on websites sharing credentials across related services. Mozilla…
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Thunderbird 159: check forwarded MP4 attachments for completeness
The received video works, but the forwarded copy is incomplete? Thunderbird 159.0 corrects an MP4 forwarding defect. This guide helps desktop users…
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LibreOffice Impress 26.8.2: safely diagnose missing audio
Updated: 2 November 2026. Is a presentation silent just before your talk? This guide helps presenters and small IT teams separate the…
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Thunderbird 159: safely check CalDAV calendars after network errors
Your web calendar has current events but Thunderbird looks out of date? The vendor says version 159.0 fixes CalDAV synchronization that could…
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LibreOffice Calc 26.8.2: safely check copied sheets and formula targets
According to its developer, LibreOffice 26.8.2 fixes incorrect handling of relative sheet references when copying sheets, introduced in 26.8.0.
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Thunderbird 159: missing CardDAV contacts or recurring password prompts
Mail arrives, but the remote address book stays out of date? Thunderbird 159 fixes two CardDAV problems: synchronization stopping after a rejected…
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