Read ext4 on Mac

1. install xcode
2. install brew
3. brew install ext4fuse
1. follow any instructions on changing permissions
4. ext4fuse <device> <mountpoint>

Zenoss: remodel all Linux servers at once

1. su - zenoss
2. zenmodeler run --path=/Server/Linux 

Out of inodes: file write error (No space left on device)

1. df -hi
1. proves you are out of inodes or not
2. cause is most likely tons of small files in some "problem directory", poke around
2. find <random_dir> -type f | wc -l
1. give a count of file in that subdir
2. common problem dirs
1. /var/spool/<XYZ>
2. /tmp
3. find <problem_dir> -type f -delete
1. deletes one file at a time
2. rm will get stuck finding files first if you use wildcard like *

ec2-create-image: attached EBS volumes are snapshot and mapped

"ec2-create-image does snapshot the attached EBS volumes and add a block device mapping for those snapshots in the created AMI"
Taken: https://forums.aws.amazon.com/message.jspa?messageID=211674