FF Desk projects

Fortnite Chest Counter: Count Fortnite chests, set a session goal, save your loot runs, and calculate Treasure Hunt drop odds. Free manual counter with local saves. No login needed.

Fortnite Chest Tracker: Track Fortnite Treasure Hunt chests, collect weekly rewards, calculate drop chances, and plan your island route. Free, independent, and saved in your browser.

AePix: Organize photos, videos and motion photos locally with AePix: albums, smart collections, combined filters, semantic search and optional AI image tools.

Claude AI Dev: An unofficial Claude developer guide with current model docs, Claude Opus 5.5 migration notes, Claude Code tutorials, API workflows, and best practices.

linkjobai / System Design Interview: Designing a Ticket Booking System (Ticketmaster-style)

Last active 2 days ago interview

Interview prep notes

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System Design Interview: Designing a Ticket Booking System (Ticketmaster-style)

The hard part isn't browsing events; it's selling a limited number of seats to a crowd that all clicks "buy" in the same second.

Requirements

Browse events and see a seat map with availability.
Hold seats for a few minutes during checkout; never sell the same seat twice.
Survive "on-sale" spikes: 1M users arriving for 50k seats.

MrGeneration / Dark Zammad Knowledge Base Stylesheet

Last active 1 month ago zammad knowledge base custom css stylesheed

Sample dark mode variant for your public Zammad Knowledge Base. As shown in the Zammad 7.2 release video: https://www.youtube.com/watch?v=2X5dMVEfgHo

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1	/*
2	* Dark theme for the Zammad public Knowledge Base.
3	*
4	* Install per https://next.zammad.org/en/tutorials/custom-kb-css.html:
5	* 1. Copy this file into app/assets/stylesheets/custom_knowledge_base_public/
6	* 2. rake assets:precompile
7	* 3. Restart Zammad
8	* 4. View the published KB (not the admin editor) to see the result.
9	*
10	* Built against the markup/CSS served at /help/ (Zammad's default

MrGeneration / Migrating Elasticsearch from 7 to 9

Last active 4 weeks ago elasticsearch zammad upgrade helper scripts

This gist holds all required commands to upgrade Elasticsearch from 7 to 9 without data loss. It also holds helper scripts for this process. The order is crucial and not reflected independently in this gist. As shown on https://www.youtube.com/watch?v=sb3VBkaHGz4

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1	# What we ultimatively add to the Elasticsearch configuration during the upgrades
2	# xpack
3	xpack.security.enabled: true
4	xpack.security.transport.ssl.enabled: true
5	xpack.security.transport.ssl.verification_mode: certificate
6	xpack.security.transport.ssl.keystore.path: certs/elastic-certificates.p12
7	xpack.security.transport.ssl.truststore.path: certs/elastic-certificates.p12
8	xpack.security.http.ssl.enabled: true
9	xpack.security.http.ssl.keystore.path: certs/http.p12

MrGeneration / Zammad CSV-Import for Users and Organizations

Last active 3 months ago csv import users organizations

Sample CSV files to highlight the CSV import function - as shown in the youtube video https://www.youtube.com/watch?v=OeelYx106WU

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1	login,firstname,lastname,email,web,phone,fax,mobile,department,street,zip,city,country,address,vip,verified,active,note,last_login,out_of_office,out_of_office_start_at,out_of_office_end_at,roles,two_factor_preferences,out_of_office_replacement,organizations,chat_agent_created_by,chat_agent_updated_by,overview_sortings,organization
2	mherrguth@example.com,Marcel,Herrguth,mherrguth@example.com,"","","","",,"","","","",,false,false,true,"",,false,,,Customer,"",,"",,,"",
3	some-employee@example.com,Marcel,Herrguth,some-employee@example.com,"",+492214710231,"","","","","","","","",false,false,true,"",2024-11-26T17:01:15Z,false,,,Admin~~~Agent~~~Customer,"",,"",,,"",Zammad GmbH
4	nicole.braun@zammad.org,Nicole,Braun,nicole.braun@zammad.org,"","","","","","","","","","",false,false,true,"",,false,,,Customer,"",,"",,,"",Zammad Foundation

MrGeneration / Zammad-Repository Upgrades for Packager

Last active 5 months ago zammad repository change apt debian

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1	# This quickly changes from the old packager.io to the new packager.io repository
2	# Commands require sudo / root permissions
3
4	# Drop existing GPG-Key and Repository-File
5	rm -f /etc/apt/trusted.gpg.d/pkgr-zammad.gpg /etc/apt/sources.list.d/zammad.list
6
7	# Download the new Keyring
8	curl -fsSL "https://go.packager.io/srv/deb/zammad/zammad/gpg-key.gpg" \
9	-o /usr/share/keyrings/zammad.gpg

MrGeneration / KB Catalan redirect

Last active 6 months ago zammad knowledge base catalan es-ca

Redirects outdated locale slug for knowledge bases from 'es-ca' to 'ca' for improved usability and very easy switching. As shown in the Zammad 7.0 Release video: https://www.youtube.com/watch?v=unwYUx5--7M

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1	# Default /help URL (replace help with your custom alias if needed; NOT for custom domains)
2	rewrite ^/help/es-ca/(.*)$ /help/ca/$1 permanent;
3
4	# for custom URLs
5	rewrite ^/es-ca/(.*)$ /ca/$1 permanent;

MrGeneration / Useful Minio Console and Restic commands

Last active 6 months ago restic backup restore mc minio console s3

Commands used as shown in the video https://youtu.be/P-Pr7Dy6mP8 .

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1	{
2	"Version": "2012-10-17",
3	"Statement": [
4	{
5	"Effect": "Allow",
6	"Action": ["s3:*"],
7	"Resource": ["arn:aws:s3:::resticsample/*"]
8	}
9	]
10	}

MrGeneration / Backup Paperless NGX with restic

Last active 6 months ago restic backup restore paperless

As shown on https://youtu.be/P-Pr7Dy6mP8

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1	#!/usr/bin/env bash
2	#
3	# 2025-09-25 Marcel Herrguth
4	# As shown on https://youtu.be/P-Pr7Dy6mP8
5	# Attribution back to this GIST is required!
6	#
7	# Parts of this script are oriented from https://github.com/zammad/zammad/tree/develop/contrib/backup
8	# This script supports PostGreSQL (docker) stacks only and expects your media to be in a mounted folder.
9	#
10	# Restoration only works on a pre-installed Paperless NGX installation of the same version (or higher).

MrGeneration / Backup Zammad with restic

Last active 6 months ago restic backup restore zammad

As shown on https://youtu.be/P-Pr7Dy6mP8

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1	#!/usr/bin/env bash
2	#
3	# 2025-09-06 Marcel Herrguth
4	# As shown on https://youtu.be/P-Pr7Dy6mP8
5	# Attribution back to this GIST is required!
6	#
7	# Parts of this script are oriented from https://github.com/zammad/zammad/tree/develop/contrib/backup
8	# Only PostGreSQL is supported; No symlinks are supported
9	#
10	# Restoration only works on a pre-installed Zammad installation of the same version (or higher).