fix Fewbytes#37

yxmagithub · Feb 21, 2018 · 37c61eb · 37c61eb
1 parent e15c10d
commit 37c61eb
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Showing 2 changed files with 4 additions and 8 deletions.
diff --git a/levels/03_pivot_root/README.md b/levels/03_pivot_root/README.md
@@ -5,11 +5,6 @@ After successfully jailing a process with [chroot()](https://docs.python.org/2/l
 ```bash
 sudo python rd.py run -i ubuntu /bin/bash
 
-# Get breakout.py
-echo nameserver 8.8.8.8 > /etc/resolv.conf
-apt-get update && apt-get install -y python wget
-wget https://raw.githubusercontent.com/Fewbytes/rubber-docker/master/levels/03_pivot_root/breakout.py
-
 # Check that you are inside chroot
 ls /
 

diff --git a/packer/bootstrap.sh b/packer/bootstrap.sh
@@ -54,12 +54,13 @@ popd
 # Fetch images
 mkdir -p /workshop/images
 pushd /workshop/images
-export_image ubuntu:trusty ubuntu /bin/bash -c 'apt-get update && apt-get install -y python stress'
+export_image ubuntu:trusty ubuntu-export /bin/bash -c 'apt-get update && apt-get install -y python stress'
 export_image busybox busybox /bin/true
 cp /workshop/rubber-docker/levels/03_pivot_root/breakout.py ./
 chmod +x breakout.py
-tar rf ubuntu.tar breakout.py
-rm breakout.py
+tar cf ubuntu.tar breakout.py
+tar Af ubuntu.tar ubuntu-export.tar
+rm breakout.py ubuntu-export.tar
 popd
 
 # On boot, pull the repo and build the C extension