1  # Stop & backup
   2  xm stop sandbox
   3  cp -a sandbox/ sandbox.bk
   4  
   5  # Verify MD5 sum
   6  md5sum sandbox/disk.img 
   7  4976347006df34843d29c939b5fc3742  sandbox/disk.img
   8  md5sum sandbox.bk/disk.img 
   9  4976347006df34843d29c939b5fc3742  sandbox.bk/disk.img
  10  
  11  # Create a 5Gb temp file
  12  dd if=/dev/zero of=Tempfile bs=1024 count=5000000
  13  
  14  # Append it to the existing image
  15  cat Tempfile >> disk.img
  16  rm Tempfile
  17  
  18  # Resize the partition
  19  resize2fs -f disk.img
  20  
  21  # Check partition & start domU
  22  fsck.ext3 disk.img
  23  xm create -c sandbox.cfg

1. Install SSHFS

http://code.google.com/p/macfuse/

1. Read documentation

http://code.google.com/p/macfuse/wiki/MACFUSE_FS_SSHFS

1. Create symlink

   1  ln -s /Applications/sshfs.app/Contents/Resources/sshfs-static /usr/local/bin/sshfs

1. Mount drive

   1  mkdir /Volumes/mount_name
   2  sshfs -p 666 server:/ /Volumes/mount_name -oreconnect,ping_diskarb,volname=mount_name

1. References

http://lifehacker.com/software/ssh/geek-to-live—mount-a-file-system-on-your-mac-over-ssh-246129.php

I could not get OpenEXR delegate to work in ImageMagick. There was no reason for it in config.log. It just silently refused to get configured. I debugged the configure script and found out that PKG _CONFIG was unset. So this fixed it. The—enable-hdri should be optional.

   1  ./configure PKG_CONFIG=/usr/bin/pkg-config --prefix=/usr/local/stow/imagemagick --enable-hdri

I needed to send an URI through Nginx to the backend servers (Mongrel) intact. However Nginx was constantly unescaping the URI , and removed slashes in the process. That resulted in an invalid URL at the backend server. The fix was simple, but extremely hard to find. Just remove the trailing slash from the proxy_pass directive, like below.

Invalid URI is sent to the backend server with this configuration of Nginx.

   1  proxy_pass         http://backend1:3000/;

Valid, untampered URI is sent with this configuration of Nginx.

   1  proxy_pass         http://backend1:3000;

I really hate installing software outside of the package manager, because that is not the way of a stable system. Xstow helps the agony those times that sourceball installations are necessary (e.g for new features). Here’s how to install imagemagick with xstow. If you haven’t installed xstow yet, then follow the relevant instructions in this snippet

   1  sudo apt-get install libmagick9-dev # needed for sane image support
   2  cd /tmp
   3  wget ftp://ftp.sunet.se/pub/multimedia/graphics/ImageMagick/ImageMagick-6.4.2-7.tar.bz2
   4  tar xjvf ImageMagick-6.4.2-7.tar.bz2
   5  sudo mv ImageMagick-6.4.2 /usr/src
   6  cd /usr/src
   7  sudo ln -s ImageMagick-6.4.2 imagemagick
   8  cd imagemagick
   9  ./configure --prefix=/usr/local/stow/imagemagick
  10  make
  11  sudo make install
  12  cd /usr/local/stow
  13  sudo xstow imagemagick