themagicalmammal

Index

• Gummiboot
• Silent Grub
• Turn off Mitigations
• Disable Watchdog
• Kernel Parameters
• Fstab Modification
• Optimizing Boot
• Fix bad font rendering
• Getting rid of unnecessary packages

darwin

It is the year 2020 and replicating APFS containers still sucks. One would expect it would be a simple copy and paste in the Disk Utility app but this is still far from reality.

Last year I wrote how I managed to clone my macOS system under Catalina. The main trick was to create a DMG file with multiple volumes, mount it on target machine and drop to command-line to do asr restore from synthetised disk while avoiding possible pitfalls.

The good news is that Apple devs definitely worked on improving this under Big Sur and added some documentation (see man asr). But I didn't understand it fully on first read. Maybe someone could explain how is this supposed to work?

andrebrait

Here is the best setup (I think so :D) for K-series Keychron keyboards on Linux.

Note: many newer Keychron keyboards use QMK as firmware and most tips here do not apply to them. Maybe the ones related to Bluetooth can be useful, but everything related to Apple's keyboard module (hid_apple) on Linux, won't work. As far as I know, all QMK-based boards use the hid_generic module instead. Examples of QMK-based boards are: Q, Q-Pro, V, K-Pro, etc.

Most of these commands have been tested on Ubuntu 20.04 and should also work on most Debian-based distributions. If a command happens not to work for you, take a look in the comment section.

Make Fn + F-keys work (NOT FOR QMK-BASED BOARDS)

Older Keychron keyboards (those not based on QMK) use the hid_apple driver on Linux, even in the Windows/Android mode, both in Bluetooth and Wired modes.

Links2004

#!/bin/bash
# Auto rotate screen based on device orientation
# based on https://linuxappfinder.com/blog/auto_screen_rotation_in_ubuntu

# install
# 1. apt-get install iio-sensor-proxy inotify-tools
# 2. add script to autostart

# Receives input from monitor-sensor (part of iio-sensor-proxy package)
# Screen orientation and launcher location is set based upon accelerometer position

soxofaan

pretty_csv/pretty_tsv

These are some simple bash functions and scripts for making CSV/TSV files prettier on the command line

see http://stefaanlippens.net/pretty-csv.html for more information.

nils-werner

def sliding_window(data, size, stepsize=1, padded=False, axis=-1, copy=True):
    """
    Calculate a sliding window over a signal

    Parameters
    ----------
    data : numpy array
        The array to be slided over.
    size : int
        The sliding window size

shamil

How to mount a qcow2 disk image

This is a quick guide to mounting a qcow2 disk images on your host server. This is useful to reset passwords, edit files, or recover something without the virtual machine running.

Step 1 - Enable NBD on the Host

modprobe nbd max_part=8