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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
@killerbees19
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

Less Cheatsheet

less {filename}

Navigation
SPACE forward one window
b backward one window
d forward half window
@killerbees19
killerbees19 / xz-backdoor.md
Created March 30, 2024 05:08 — forked from thesamesam/xz-backdoor.md
xz-utils backdoor situation

FAQ on the xz-utils backdoor

Background

On March 29th, 2024, a backdoor was discovered in xz-utils, a suite of software that gives developers lossless compression. This package is commonly used for compressing release tarballs, software packages, kernel images, and initramfs images. It is very widely distributed, statistically your average Linux or macOS system will have it installed for

From self[at]sungpae.com Mon Nov 8 16:59:48 2021
Date: Mon, 8 Nov 2021 16:59:48 -0600
From: Sung Pae <self[at]sungpae.com>
To: [email protected]
Subject: Permissive forwarding rule leads to unintentional exposure of
containers to external hosts
Message-ID: <YYmr4l1isfH9VQCn@SHANGRILA>
MIME-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha256;
protocol="application/pgp-signature"; boundary="QR1yLfEBO/zgxYVA"
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killerbees19 / gist:bf3b35d4dfcacedb3a29c996e77e4b9d
Created August 22, 2023 20:11 — forked from chenshaoju/gist:ec18f2081cb12f85752f4c8259b54b9a
Force Enable VoLTE for LineageOS by build.prop
# It's may out of the day.
# Source: https://forum.xda-developers.com/showpost.php?p=73608658&postcount=28
# Debug Options
persist.dbg.ims_volte_enable=1
persist.dbg.volte_avail_ovr=1
persist.dbg.vt_avail_ovr=1
persist.dbg.wfc_avail_ovr=1
# Radio Options
@killerbees19
killerbees19 / enable_sshd.py
Created April 8, 2023 13:26 — forked from andyboeh/enable_sshd.py
Enable SSHD on the Aclatel HH40V (modify backup file)
#!/usr/bin/env python
import os
import sys
import subprocess
import tempfile
import struct
import shutil
import hashlib
@killerbees19
killerbees19 / iommu.sh
Created February 27, 2023 17:36 — forked from r15ch13/iommu.sh
List IOMMU Groups and the connected USB Devices
#!/usr/bin/env bash
shopt -s nullglob
lastgroup=""
for g in `find /sys/kernel/iommu_groups/* -maxdepth 0 -type d | sort -V`; do
for d in $g/devices/*; do
if [ "${g##*/}" != "$lastgroup" ]; then
echo -en "Group ${g##*/}:\t"
else
echo -en "\t\t"
@killerbees19
killerbees19 / lsiommu
Created February 27, 2023 17:36 — forked from flungo/lsiommu
List the devices and their IOMMU groups.
#!/bin/bash
for d in $(find /sys/kernel/iommu_groups/ -type l | sort -n -k5 -t/); do
n=${d#*/iommu_groups/*}; n=${n%%/*}
printf 'IOMMU Group %s ' "$n"
lspci -nns "${d##*/}"
done;