From daceb346769ff65de547cb7636fabb2ae6a039bd Mon Sep 17 00:00:00 2001 From: Chloe Kudryavtsev Date: Thu, 25 Apr 2019 09:18:16 -0400 Subject: [content] Mention RDRAND toggles in cmdline --- modules/Installing/pages/medium.adoc | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'modules/Installing/pages') diff --git a/modules/Installing/pages/medium.adoc b/modules/Installing/pages/medium.adoc index d76ffcb..9abbfbf 100644 --- a/modules/Installing/pages/medium.adoc +++ b/modules/Installing/pages/medium.adoc @@ -179,6 +179,13 @@ You might even need to do so for diagnostic reasons. // TODO: Add xref to developer handbook You can see what parameters are available and what they do over at the Developer Handbook. +[TIP] +==== +One common reason to modify the kernel command line is to explicitly tell linux to not trust the CPU's randomness generator, which Alpine trusts by default. +While the reasons for doing so won't be discussed here, doing so means that you will need to gather entropy from other sources. +If you still wish to disable it, you may add `random.trust_cpu=off` to your kernel's command line on boot. +==== + ==== [Grub] Modifying Kernel Command Line Under grub, when you are presented with the boot prompt, you may press btn:[e] to edit the booting configuration. You can then find the line starting with `linux`, and add or remove parameters from that line. -- cgit v1.2.3