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© 2025 - 2026 Nat Welch. All rights reserved.

#systemadministration

20 posts

  • @chris_siebenmann We're no longer using Linux's strict memory overcommit mode #Linux #SystemAdministration #DevOps

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    Sep 2, 2026
  • @chris_siebenmann Blocking SSH logins with PAM (at least on Linux) #SystemAdministration #SSH #Linux

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    Aug 29, 2026
  • @chris_siebenmann Using Polkit to prevent people from doing '<code>loginctl enable-linger</code>' #Linux #SystemAdministration #Security

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    Aug 28, 2026
  • @chris_siebenmann Considering how much RAM system.slice and the kernel need #Linux #SystemAdministration #Tech

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    Aug 25, 2026
  • @chris_siebenmann I've become more optimistic about my someday future on Wayland #Unix #SystemAdministration #Tech

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    Aug 22, 2026
  • @chris_siebenmann Modern (x86) firmware can be really slow to boot, which can be painful #Tech #SystemAdministration #Hardware

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    Aug 12, 2026
  • @chris_siebenmann Looking at the memory map of a Go 1.27 program on Linux #GoLang #Programming #SystemAdministration

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    Aug 6, 2026
  • @chris_siebenmann Where a Linux kernel memory allocation error comes from #Linux #Kernel #SystemAdministration

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    Aug 5, 2026
  • @chris_siebenmann Making sense of diskless workstations through two models of them #SystemAdministration #Networking #Tech

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    Jul 22, 2026
  • @chris_siebenmann How my desktops wound up with multiple D-Bus user session instances #Linux #SystemAdministration #Tech

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    Jul 18, 2026
  • @chris_siebenmann Argc and argv in early Research Unix #Unix #SystemAdministration #Programming

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    Jul 17, 2026
  • @chris_siebenmann The early Research Unix <code>exec(2)</code> argv size limit #Unix #SystemAdministration #TechHistory

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    Jul 16, 2026
  • @chris_siebenmann How early SunOS did diskless workstations before NFS #Unix #SystemAdministration #Networking

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    Jul 13, 2026
  • @chris_siebenmann As expected, using kexec to switch to a new Ubuntu kernel works #Linux #SystemAdministration #OpenSource

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    Jun 30, 2026
  • @chris_siebenmann Some things on '<code>systemctl kexec</code>' as compared to '<code>kexec -e</code>' #Linux #SystemAdministration #Tech

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    Jun 25, 2026
  • @chris_siebenmann Limiting web server bandwidth the brute force way #SystemAdministration #Networking #WebServers

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    Jun 20, 2026
  • @chris_siebenmann Linux distribution packaging and third party 'package' systems #Linux #SystemAdministration #OpenSource

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    Jun 14, 2026
  • @chris_siebenmann It seems unlikely that I'll have basic ARM servers to deal with #Tech #SystemAdministration #ARM

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    Jun 5, 2026
  • @chris_siebenmann When <code>su</code> replaced <code>login</code> for becoming another Unix login #Unix #SystemAdministration #Tech

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    Jun 2, 2026
  • @chris_siebenmann Unix has been changing, but in places where I don't see it #Unix #SystemAdministration #Tech

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    May 21, 2026