From b52c805492b5e2d71a47f13e741d394b46030327 Mon Sep 17 00:00:00 2001
From: Silvio Rhatto <rhatto@riseup.net>
Date: Sat, 1 Aug 2015 14:02:56 -0300
Subject: Boxes: referencias

---
 boxes.mdwn | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

(limited to 'boxes.mdwn')

diff --git a/boxes.mdwn b/boxes.mdwn
index 325307e..428cc2e 100644
--- a/boxes.mdwn
+++ b/boxes.mdwn
@@ -47,22 +47,22 @@ Por exemplo, considere a [instalação](/install) a Hydra Suite na máquina virt
 Encolhendo uma máquina virtual
 ------------------------------
 
-Sobre:
-
-* https://superuser.com/questions/529149/how-to-compact-virtualboxs-vdi-file-size
-* http://www.thelinuxdaily.com/2010/02/shrinking-a-dynamic-virtualbox-disk-image/
-* https://packages.debian.org/wheezy/zerofree
-* https://unix.stackexchange.com/questions/42015/mount-is-busy-when-trying-to-mount-as-read-only-so-that-i-can-run-zerofree
-
 Procedimento genérico, dentro da máquina virtual:
 
     hydractl upgrade clean
-    apt-get install zerofree
+    apt-get install zerofree # apenas uma vez
     telinit 1
     mount -o remount,ro /
     zerofree /dev/sda1
     halt
 
-Fora da máquina:
+No host (`$box` é o nome da máquina):
 
     VBoxManage modifyhd --compact /var/cache/virtualbox/$box/$box.vdi
+
+Referências
+-----------
+
+* [How to compact VirtualBox's VDI file size?](https://superuser.com/questions/529149/how-to-compact-virtualboxs-vdi-file-size).
+* [Shrinking a Dynamic VirtualBox Disk Image](http://www.thelinuxdaily.com/2010/02/shrinking-a-dynamic-virtualbox-disk-image/).
+* [ubuntu - "mount: / is busy" when trying to mount as read-only so that I can run zerofree](https://unix.stackexchange.com/questions/42015/mount-is-busy-when-trying-to-mount-as-read-only-so-that-i-can-run-zerofree).
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