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Tastatur 2023-12-29 00:09:15 +01:00
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docs/alpine-desktop-setup/post-install/security.md
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@ -33,13 +33,13 @@ You can check the status of apparmor using `apparmor-utils`:
## Cmdline
There are a lot of kernel settings which can be passed to the command line. [https://madaidans-insecurities.github.io/guides/linux-hardening.html#kernel](Madadans-insecurity's page) describes each of their function and how they improve security of the system so lets add them to `/etc/kernel-hooks/secureboot.conf`:
There are a lot of kernel settings which can be passed to the command line. [Madadans-insecurity's page](https://madaidans-insecurities.github.io/guides/linux-hardening.html#kernel) describes each of their function and how they improve security of the system so lets add them to `/etc/kernel-hooks/secureboot.conf`:
```
cmdline="... slab_nomerge init_on_alloc=1 init_on_free=1 page_alloc.shuffle=1 pti=on randomize_kstack_offset=on vsyscall=none debugfs=off module.sig_enforce=1 lockdown=confidentiality mce=0 loglevel=0 iommu=force spectre_v2=on spec_store_bypass_disable=on tsx=off tsx_async_abort=full mds=full l1ft=flush"
```
After reconfiguring `kernel-hooks` try to reboot and it should boot. Although there are more options that might make the system more secure, these most of the time come with a big performance hit so this should do for now.
After reconfiguring `kernel-hooks` try to reboot and it should boot. Although there are more options that might make the system more secure, these come with a big performance hit most of the time so these settings should do for now.
## Sysctl