# Sysadmin Docs

**URL:** https://ps.zoethical.org/c/care/sysadmin-docs/205.md

[Latest](https://ps.zoethical.org/latest.md) · [Categories](https://ps.zoethical.org/categories.md) · [Tags](https://ps.zoethical.org/tags.md)

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## [System Administration Docs](https://ps.zoethical.org/t/system-administration-docs/8351)

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**Author:** [@how](https://ps.zoethical.org/u/how)\
**Replies:** 0\
**Last updated:** [October 10, 2024, 3:51am UTC](https://ps.zoethical.org/t/system-administration-docs/8351 "2024-10-10T03:51:23Z")

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All things related to managing computer systems. Tips & Hints Install Ruby on Debian Email Nullmailer setup for authenticated email notifications for services

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## [Mettre à jour Peertube depuis la version 5.2.0 vers 7.2.2](https://ps.zoethical.org/t/mettre-a-jour-peertube-depuis-la-version-5-2-0-vers-7-2-2/9944)

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**Author:** [@how](https://ps.zoethical.org/u/how)\
**Replies:** 0\
**Last updated:** [July 17, 2025, 1:42am UTC](https://ps.zoethical.org/t/mettre-a-jour-peertube-depuis-la-version-5-2-0-vers-7-2-2/9944 "2025-07-17T01:42:27Z")

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Mettre à jour Peertube depuis la version 5.2.0 vers 7.2.2 Introduction Les mises à jour sont toujours un moment stressant. Celles de PeerTube sont plutôt bien faites et faciles à exécuter… si vous suivez les releases. Da…

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## [Nullmailer setup](https://ps.zoethical.org/t/nullmailer-setup/8727)

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**Author:** [@how](https://ps.zoethical.org/u/how)\
**Replies:** 2\
**Last updated:** [January 6, 2025, 7:21pm UTC](https://ps.zoethical.org/t/nullmailer-setup/8727 "2025-01-06T19:21:46Z")

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By default many GNU/Linux systems run their own local SMTP service on localhost to send emails both locally and to the Internet. Nullmailer is a simple SMTP client to send email from a GNU/Linux system to a smarthost (M…

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## [Install Ruby](https://ps.zoethical.org/t/install-ruby/7242)

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**Author:** [@how](https://ps.zoethical.org/u/how)\
**Replies:** 0\
**Last updated:** [December 21, 2023, 7:16pm UTC](https://ps.zoethical.org/t/install-ruby/7242 "2023-12-21T19:16:55Z")

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The Ruby language is the programming language that powers Discourse and a number of other software we use casually at :ps:. Over the years, installing Ruby has taken various forms. Despite fantastic work done by the Debi…