superjamie

How to install Ubuntu with LUKS Encryption on LVM

My work requires us to have full-disk encryption, so these are the steps I use.

The basic idea is to create a LUKS-encrypted partition which is used as an LVM Physical Volume.

The GRUB boot partition isn't encrypted, but everything else is.

These steps tested and working on 22.04 (jammy) and 20.04 (focal).

ronaldsuwandi

version: "3.9"
   
services:
  jupyter:
    image: jupyter/scipy-notebook
    ports:
      - "8888:8888"
    volumes:
      - ./notebooks:/home/jovyan/
    environment:

ts1

#!/bin/bash

set -eo pipefail

DOMAIN=example.com
ENTRY=examplehost
#LINE_TOKEN=xxxxxx

get_ip() {
  curl -s 'https://api.ipify.org'

colmmacc

How many ways can we express "::"

Both IPv4 and IPv6 allow for some flexibility in how IP addresses are expressed as strings, but IPv6 really takes it to the max. How many ways can we express the all-zeroes IPv6 address, a.k.a. "::". Let's see.

The obvious

 ::

Running count: 1.

ZhangChen199102

# use a certain pyenv version
use_python() {
    if [ -n "$(which pyenv)" ]; then
        local pyversion=$1
        pyenv local ${pyversion}
    fi
}

layout_virtualenv() {
    local pyversion=$1

nupplaphil

# stop active raid
mdadm --stop /dev/md[01]

# destroy partition table on hdds
dd if=/dev/zero of=/dev/sda bs=1M count=512
dd if=/dev/zero of=/dev/sdb bs=1M count=512
dd if=/dev/zero of=/dev/sdc bs=1M count=512
dd if=/dev/zero of=/dev/sdd bs=1M count=512

mandx

from subprocess import run
from tempfile import TemporaryDirectory


if __name__ == '__main__':
    with TemporaryDirectory() as tempdir:
        run([
            'google-chrome',
            '--user-data-dir==' + tempdir,
            '--incognito',

erdii

encrypted backup to s3

init encfs

• first time mounting with
  • encfs --reverse /path/to/backup /tmp/encrypted-s3-backup
• i choose this settings:
  • x - expert mode
  • AES encryption - 256 bit keysize

brablc

Never touch your local /etc/hosts file in OS X again

To setup your computer to work with *.test domains, e.g. project.test, awesome.test and so on, without having to add to your hosts file each time.

Requirements

• Homebrew
• Mountain Lion -> High Sierra

Install

cvan

Last Updated: March 2023

IMPORTANT: Ignore the out-of-date steps below for getting Chromium keys.

Instead, read this up-to-date guide (Jan 2023) written by @LearningToPi.

P.S. Thank you to every contributor below who provided tips over the years on what should be a straightforward process: setting up Chromium for local development.

Long live the web!