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Add detail on disabling user namespaces breaking UPower

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Raja Grewal 2024-08-26 11:19:20 +10:00
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usr/lib/sysctl.d/990-security-misc.conf
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@ -116,6 +116,7 @@ kernel.sysrq=0
## Restricting may lead to breakages in numerous software packages. ## Restricting may lead to breakages in numerous software packages.
## Uncomment the second sysctl to entirely disable user namespaces. ## Uncomment the second sysctl to entirely disable user namespaces.
## Disabling entirely will reduce compatibility with some AppArmor profiles. ## Disabling entirely will reduce compatibility with some AppArmor profiles.
## Disabling entirely is known to break the UPower systemd servince.
## ##
## https://lwn.net/Articles/673597/ ## https://lwn.net/Articles/673597/
## https://madaidans-insecurities.github.io/linux.html#kernel ## https://madaidans-insecurities.github.io/linux.html#kernel