Originally Posted by geekmaster
Optware was working great on my kindle 3. I was using a chrooted loop mount, with bind mounts for system folders.
I was even using it without loop mounted file system, writing directly in the root fs. But I don't recommend that because I bricked my device this way - during update I ran out of free space. Kindle update makes a lot of effort to do everything in a sandbox and when it's sure new files are fine it copies them. But free space check is not one of them.
Loop-mounted fs is much safer and can be prepared in advance. One drawback is that if you have more tools there (e.g. gcc), you have to symlink many /opt subdirectories.