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36

Easy enough. The // sequence isn't a comment in bash (# is). The statement OUT_DIR=x // text had no effect* except a cryptic error message. Thus, with the OUT_DIR being an empty string, one of the commands eventually executed was rm -rf /*. Some directories placed directly underneath / weren't removed due to user not having permissions, but it appears that ...


7

1) He erroneously assumed that // was a bash comment. It is not, only # is. The shell interpreted // text as a normal command, and did not find a binary called //, and did nothing. In bash, when you have a variable assignment (OUT_DIR=/data/backup/mongod/tmp) directly preceding a command (// text), it only sets the variable while running the command. ...


6

You're requesting the volume to shrink by 11GB, yet you only have about 6GB unallocated. You can more efficiently use allocated extents by rebalancing the volume. Executing a command similar to btrfs balance start /home will start that process, and it may take some time to complete. But I don't know if that will free up enough for a large amount of ...


3

1) Bash comments start with #. Sorry for your loss. 2) Restore from backup is the only way to proceed here, unfortunately.


1

I have setup a few NAS boxes that are nothing but a bunch of disks and a network interface. Definitely not a windows server, they were running busybox under the hood. So the disks would be formatted using the ext* file system and sharing is done with samba. This works ok if you just want to copy a file every now and then. But a lot of the metadata in the ...


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