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killerbees19 / vdi-file-compacting.md
Created July 26, 2024 13:17
How to compact VirtualBox's VDI file size?

Source: StackOverflow

1. Run defrag in the guest (Windows only)

2. Nullify free space:

With a Linux Guest run this:

sudo dd if=/dev/zero | pv | sudo dd of=/bigemptyfile bs=4096k
sudo rm -rf /bigemptyfile
@killerbees19
killerbees19 / zfs_cleanup.sh
Created November 5, 2024 07:35 — forked from jstutters/zfs_cleanup.sh
Find and delete multiple ZFS snapshots
zfs list -t snapshot -H -o name | grep "201509[0-9].*" | xargs -n1 echo
# zfs list -t snapshot -H -o name | grep "201509[0-9].*" | xargs -n1 zfs destroy
import sys, os, stat, errno, operator, time, datetime, requests
from fuse import FUSE, Operations, LoggingMixIn, FuseOSError
from mastodon import Mastodon
from cachetools import TTLCache, cachedmethod
from mastodon.return_types import MediaAttachment, Account, Status
class PathItem:
def __init__(self, path_type, mtime=None, size=0, symlink_target=None, read_fn=None, listdir_fn=None):
self.path_type = path_type
self.mtime = mtime or time.time()