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-rw-r--r--gnu/system/install.scm8
1 files changed, 7 insertions, 1 deletions
diff --git a/gnu/system/install.scm b/gnu/system/install.scm
index 0cfc8fa5c9..b380716b69 100644
--- a/gnu/system/install.scm
+++ b/gnu/system/install.scm
@@ -237,7 +237,12 @@ the user's target storage device rather than on the RAM disk."
;; Minimal in-memory caching policy for nscd.
(list (nscd-cache (database 'hosts)
(positive-time-to-live (* 3600 12))
- (negative-time-to-live 20)
+
+ ;; Do not cache lookup failures at all since they are
+ ;; quite likely (for instance when someone tries to ping a
+ ;; host before networking is functional.)
+ (negative-time-to-live 0)
+
(persistent? #f)
(max-database-size (* 5 (expt 2 20)))))) ;5 MiB
@@ -365,6 +370,7 @@ Use Alt-F2 for documentation.
parted ddrescue
grub ;mostly so xrefs to its manual work
cryptsetup
+ btrfs-progs
wireless-tools iw wpa-supplicant-minimal iproute
;; XXX: We used to have GNU fdisk here, but as of version
;; 2.0.0a, that pulls Guile 1.8, which takes unreasonable