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author | Chloe Kudryavtsev <toast@toastin.space> | 2019-04-25 09:18:16 -0400 |
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committer | Chloe Kudryavtsev <toast@toastin.space> | 2019-04-25 09:18:16 -0400 |
commit | daceb346769ff65de547cb7636fabb2ae6a039bd (patch) | |
tree | 7c2e6df5d82307fa72ac2d61c6fea397f54e8ff3 | |
parent | 9030c4e00b4a5ec21cf99a6a0288791b3d4a885a (diff) | |
download | user-handbook-daceb346769ff65de547cb7636fabb2ae6a039bd.tar.bz2 user-handbook-daceb346769ff65de547cb7636fabb2ae6a039bd.tar.xz |
[content] Mention RDRAND toggles in cmdline
-rw-r--r-- | modules/Installing/pages/medium.adoc | 7 |
1 files changed, 7 insertions, 0 deletions
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. |