add info how to disable ipv6 in kernel

diff --git a/grub.sysconfig b/grub.sysconfig
index 6d0d59998498689780b0e8c329e40563d9ca18bb..ad620cb6aaf0632f43eaf283d27aa7dd6b7c638a 100644 (file)
--- a/grub.sysconfig
+++ b/grub.sysconfig
@@ -20,7 +20,8 @@ GRUB_TIMEOUT=15
 # entry for recovery mode. This option lists command-line arguments
 # to add only to the default menu entry, after those listed in
 # `GRUB_CMDLINE_LINUX'.
-GRUB_CMDLINE_LINUX_DEFAULT="quiet panic=120"
+# To disable IPv6 in kernel, append: ipv6.disable=1
+GRUB_CMDLINE_LINUX_DEFAULT="panic=120 quiet"
 
 # Command-line arguments to add to menu entries for the Linux kernel.
 GRUB_CMDLINE_LINUX=""