David Pesticcio DavidPesticcio

## docker-registry-delete-image.txt
How to delete an image tag/image from docker registry v2.4

1) Re/Start registry with delete option enabled

  Edit the config.yml

  storage:
      delete:
          enabled: true

## udemy-course-reset-for-browser.md

      
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                DavidPesticcio
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              January 8, 2024 18:56
            
              
                Udemy: Reset a course, i.e. uncheck all boxes
              
          
    Un/check all visible checkboxes for a course.

Currently only works if course content is visible, and course section(s) is/are already expanded.
Usage:

Open console for web browser (F12 or Right-Click Inspect)
Paste the section of JavaScript below into the console according to your needs.
Open Course Content (WIP)


## Encrypted ZFS root install on Linux Mint 20.x & Ubuntu 20.04
### Steps for an encrypted ZFS root installation on Linux Mint 20.x & Ubuntu 20.04

01. Boot from an Ubuntu based installer/Live CD - Linux Mint 20.x or Ubuntu Desktop 20.04
02. Open a terminal
03. Run: `sudo apt -y install zfs-zed` - **!IMPORTANT!** - Ensure the ZFS pre-requisites installed!
04. Run: `sudo vi /usr/share/ubiquity/zsys-setup`
   - find the right section with `/^init_zfs`
   - prepend the `zpool create` for `rpool` with `echo MYPASSWORD | ` - `MYPASSWORD` **MUST** be 8 characters or more!
   eg. `echo MYPASSWORD | zpool create -f \` - **DO NOT FORGET THIS!**
05. Above the last line of the `zpool create` command, insert these lines:

## syncthing-automerge.py
import os
import time
import re
import subprocess
from watchdog.observers import Observer
from watchdog.events import FileSystemEventHandler

def get_relative_path(path):
    return os.path.relpath(path)

## get_jenkins_credentials.groovy
// Here is a short snippet you can just run from the jenkins script console, to dump all of your credentials to plain text.

com.cloudbees.plugins.credentials.SystemCredentialsProvider.getInstance().getCredentials().forEach{
  it.properties.each { prop, val ->
    println(prop + ' = "' + val + '"')
  }
  println("-----------------------")
}


## useful-one-liners.sh
# Run the last command as root
sudo !!
# Serve current directory tree at http://$HOSTNAME:8000/
python -m SimpleHTTPServer
# Save a file you edited in vim without the needed permissions
:w !sudo tee %
# change to the previous working directory
cd -
# Runs previous command but replacing
^foo^bar

## setup-users.groovy
import jenkins.*
import hudson.*
import com.cloudbees.plugins.credentials.*
import com.cloudbees.plugins.credentials.common.*
import com.cloudbees.plugins.credentials.domains.*
import com.cloudbees.jenkins.plugins.sshcredentials.impl.*
import hudson.plugins.sshslaves.*;
import hudson.model.*
import jenkins.model.*
import hudson.security.*

## apt-hints-and-tips.txt
To add a GPG Public key
sudo apt-key adv --keyserver pgp.mit.edu --recv-keys 1AD28806

## vsc-settings.py
#!/usr/bin/env python3
from os import path
import tempfile
import subprocess
import datetime as dt
import click


@click.group()
def cli():

## gpg-hints-and-tips.txt
Export a key to GPG or ASCII format
gpg --export YOUR_FINGERPRINT > pubkey.gpg
gpg --armor --export YOUR_FINGERPRINT > pubkey.asc

Convert a key/file to/from GPG or ASCII format
gpg --enarmor file.gpg > file.asc
gpg --dearmor file.asc > file.gpg
	### Steps for an encrypted ZFS root installation on Linux Mint 20.x & Ubuntu 20.04

	01. Boot from an Ubuntu based installer/Live CD - Linux Mint 20.x or Ubuntu Desktop 20.04
	02. Open a terminal
	03. Run: `sudo apt -y install zfs-zed` - !IMPORTANT! - Ensure the ZFS pre-requisites installed!
	04. Run: `sudo vi /usr/share/ubiquity/zsys-setup`
	- find the right section with `/^init_zfs`
	- prepend the `zpool create` for `rpool` with `echo MYPASSWORD \| ` - `MYPASSWORD` MUST be 8 characters or more!
	eg. `echo MYPASSWORD \| zpool create -f \` - DO NOT FORGET THIS!
	05. Above the last line of the `zpool create` command, insert these lines:
	import os
	import time
	import re
	import subprocess
	from watchdog.observers import Observer
	from watchdog.events import FileSystemEventHandler

	def get_relative_path(path):
	return os.path.relpath(path)
	// Here is a short snippet you can just run from the jenkins script console, to dump all of your credentials to plain text.

	com.cloudbees.plugins.credentials.SystemCredentialsProvider.getInstance().getCredentials().forEach{
	it.properties.each { prop, val ->
	println(prop + ' = "' + val + '"')
	}
	println("-----------------------")
	}
	# Run the last command as root
	sudo !!
	# Serve current directory tree at http://$HOSTNAME:8000/
	python -m SimpleHTTPServer
	# Save a file you edited in vim without the needed permissions
	:w !sudo tee %
	# change to the previous working directory
	cd -
	# Runs previous command but replacing
	^foo^bar
	import jenkins.*
	import hudson.*
	import com.cloudbees.plugins.credentials.*
	import com.cloudbees.plugins.credentials.common.*
	import com.cloudbees.plugins.credentials.domains.*
	import com.cloudbees.jenkins.plugins.sshcredentials.impl.*
	import hudson.plugins.sshslaves.*;
	import hudson.model.*
	import jenkins.model.*
	import hudson.security.*
	To add a GPG Public key
	sudo apt-key adv --keyserver pgp.mit.edu --recv-keys 1AD28806
	#!/usr/bin/env python3
	from os import path
	import tempfile
	import subprocess
	import datetime as dt
	import click


	@click.group()
	def cli():
	Export a key to GPG or ASCII format
	gpg --export YOUR_FINGERPRINT > pubkey.gpg
	gpg --armor --export YOUR_FINGERPRINT > pubkey.asc

	Convert a key/file to/from GPG or ASCII format
	gpg --enarmor file.gpg > file.asc
	gpg --dearmor file.asc > file.gpg