prepare usb iso: add fdatasync to dd command and document if=

Also move the parameters which need adaption further to the back to
allow users to edit them "faster"

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

diff --git a/pve-installation-media.adoc b/pve-installation-media.adoc
index 625fc763aa7ed0245cdc25070bfe1ff6a61a6eb9..2c2eb0cd2198630ceda017133b879fc0a0b7af54 100644 (file)
--- a/pve-installation-media.adoc
+++ b/pve-installation-media.adoc
@@ -35,10 +35,11 @@ USB flash drive. First find the correct device name of the USB flash drive (see
 below). Then run the `dd` command.
 
 ----
-# dd if=proxmox-ve_*.iso of=/dev/XYZ bs=1M
+# dd bs=1M conv=fdatasync if=./proxmox-ve_*.iso of=/dev/XYZ
 ----
 
-NOTE: Be sure to replace /dev/XYZ with the correct device name.
+NOTE: Be sure to replace /dev/XYZ with the correct device name and adapt the
+input filename ('if') path.
 
 CAUTION: Be very careful, and do not overwrite the wrong disk!