gandalfk7_TechSomething

Registering your kindle # it looks like you need a registered kindle to apply the jailbreak, as of now (2026-08) it shouldn't be possible to register devices released prior to 2012, our Kindle 4 is in this list: https://www.amazon.com/gp/help/customer/dis…

I had a Kindle 4 non-touch (2011) and since I wanted to read BW comics on it I bought a used Kindle Paperwhite 11th gen (2021, model M2L3EK),8GB of ROM.

KoReader # https://koreader.rocks/ is a Jewel of a document viewer for e-ink devices: it's an e-reader, supports plugins and many formats.

Aim # We have a pfSense box and we want some subnets going out only via VPN so the traffic won't exit our ISP ip address.

Why # I had some 32GB DDR4 registered dimms from old hardware and I wanted to do something with those.

install nvidia drivers on proxmox 8 (debian 12) # proxmox 7 is based on debian 12 so we can follow the official steps: https://wiki.debian.org/NvidiaGraphicsDrivers#Debian_12_.22Bookworm.22$0 the one thing we must remember is to install PVE kernel headers:

example: # broken disk: /dev/sdb was mounted on /mnt/faulty external usb disk: /dev/sde formatted in ext4 and mounted on /mnt/recovery_8TB what happened: # the system started giving errors on a non redundant disk: Device: /dev/sdb [SAT], 1025 Currently un…

lxc containers # pros: lightweight very flexibile config from proxmox interface cons: compromise of the container might affect the running host (vms are better isolated) backup quirks and downtime (see dedicated section) can see underlying hardware (see d…

why # I want to arbitrarly edit the content of a virtual host I am reverse-proxying prereq # nginx must be built with "--with-http_sub_module", to check it already is execute: nginx -V example response: nginx version: nginx/6.42.0 built with OpenSSL 6.4.…

why # I need to maintain some documentation about home/personal projects, while sharing just the home docs with my house mate Joplin ticks most of what I want: [x] a cross platform tool where I can organize my notes [ ] the notes need to be saved in markd…

why: # TL;DR: I want an always-on macos installation without dedicating new hardware to this test. more: Some data, like airtags position, is retrievable reliably only from macos, we've seen that the iCloud APIs ad not reliable or don't expose the data we…

we want tailscale to start at boot of our macos vm and not when a user logins (so we can remotely manage the vm). install go: brew update && brew install golang mkdir -p $HOME/go/{bin,src,pkg} cat <<EOF >> ~/.zshrc export GOPATH=$HOME/go export GOROOT="$…

note: this is still a work in progress why # we want to programatically retrieve findmy items data and send it somewhere else the goal is to ingest that data in traccar notes # I am running ios 17.x on an old iphone and macos 14 Sonoma in a vm on proxmox…

this was the happy cat we were using as deceit image in the previous version, now it looks like this: the updates: [x] now uses random images [x] filename is of a raw file (.DNG) so Amazon Photos does not try to fiddle with the image [x] added encryption…

Scope: # I have pfsense installed on a pc with realtek NICs, pfsense does not include the driver for those NICs, Realtek NICs are unusable without the correct drivers.

what is a cbz/cbr file: # a .cbz file is a compressed archive with files inside cbz are Comic Book Zip files cbz are Comic Book Rar files They usually contain a folder and the filenames of the pages: comic_title.cbz comic_title |-- page1.jpg |-- page2.jpg…

update: systemd supports this feature see: https://stackoverflow.com/questions/47253020/systemd-stop-dependent-service-when-main-service-crashes Scope: # I need to stop service2 when service1 is down.

Scope: # I have a controller, LSI SAS9217-4i4e, wit IR firmware and want to switch it to IT firmware.

Scope: # creating a systemd unit file for a docker-compose service Unit file: # edit /etc/systemd/system/something.service Description=Docker Compose service Requires=docker.service After=docker.service [Service] Type=oneshot RemainAfterExit=yes WorkingDi…

Scope: # I wanted to play with a (lightweight) directory service and an identity access management solution to be able to manage the access to some of my sites.

UPDATE: # The sensor has been very unreliable and detected phantom contacts, especially at 3 in the morning, even after applying heat shrink tubing on the contacts.

Scope: # One of my friends has a problem: they use iCloud photos to save/backup photos from the iPhone and want to create an out-of-iCloud backup of the photos on their mac.

Notice: # The facts, all banners, commands, and ouputs portrayed in this post are fictitious.

Scope: # Building an honeypot "network" with a central instance that aggregates the data collected.

Scope: # The scope of this project is to provide a pre-tested layer of protection for the publication of a service, via an external machine, ideally a cheap vps without any important data onboard.

Why: # I've used a Jabber service provided by a friend until now but I wanted to selfhost mine.

Index: # Preface Platform Sensors Tasmota Zigbee Homekit Native Devices Homebridge Home Assitant Telegraf, Influx and Grafana Todo Homebridge examples Straight MQTT integration Zigbee devices Preface: # With the help of a friend, I wanted to try to see how

Preface: # I've been lent an iPad (with usb-c port) and wanted to test the motto "What's a computer?"

Scope: # Automating the publishing of eleventy static blog How: # You will need: linux vm (I've used Debian 11) git repo eleventy docker image (I've used https://github.com/femtopixel/docker-eleventy) web server or service of your choice to host your stat…

Why: # In the era of remote connections, Smart Working, Work From Home and Work From Anywhere, your Public IP might change often and you might end up with a "soiled" IP, an IP that has been used to spam, brute-force or other unpleasant behaviours you don't

Preface: # I collect some useful metrics of my house on influxdb, and I'd like to have them ready to be glanced.

TL;DR: # NO: for live migration within a proxmox cluster build it with same cpus Preface: # I have a proxmox cluster built with what I find lying around or is cheap enough to be justifiable, so I have different cpu types in the cluster nodes: Amd Ryzen (n…

Preface: # The goal of this guide is to have Windows 10 and Ubuntu installed on a Surface device (I've tested this on the Go and should work the same on the Go2), with secureboot enabled for both of them.

Preface # I've always used Debian And I've loved it because it is was straightforward and you could easily solve your issues searching the net.

based on: https://stinkyparkia.wordpress.com/2014/10/14/remote-unlocking-luks-encrypted-lvm-using-dropbear-ssh-in-ubuntu-server-14-04-1-with-static-ipst/ updated for debian 12 (2024-12-04) and tested on debian 13 (2025-12-02) # NB: in an upgrade from 11 to

My first blog was a wordpress installation on a hosted site, then it got moved to a full vm under my control, then it got shutdown and forgot for some months, then it was recovered and lived for brief moments just when writing entries because the "live" s…

Preface: # The aim of this article is to configure Bitlocker to ask for a password on boot so the protected system will not be avilable without user interaction.

When you try to install a factory image on a newer Android device (in my case a Google Pixel “1”), you might encounter this error which i sude to the android platform tools which are too old.

I’ve updated LineageOS on a colleague’s Nexus5x and I followed these steps: Downloaded the latest (8.1.0 (OPM6.171019.030.E1, Jul 2018)) stock image for nexus5x from Google repos updated the 5x using the flash-all.sh included in the archive following line…

Scope: # Some have an Amazon Prime with Unlimited Photo Storage, it would be a pity to use it just for photos.

vMware View scan output: VMware Horizon Smart Card Success VMware Horizon Real-Time Audio-Video Success VMware Horizon Client Drive Redirection Success VMware Horizon Multimedia Redirection (MMR) Failed libgstapp-0…

Downloaded Debian 7.11 netinstall from here, burnt on a DVD and inserted in the superdrive.

doing a fresh install with cbpp-1.0-i386-20150428.iso on Atom N270 (single core, HT), had a problem due to the HT that was not being used.

install rssh: apt-get install rssh then to add a user: useradd -m -d /home/didi -s /usr/bin/rssh didi edit nano /etc/rssh.conf and select how much users are locked out: allowscp #allowsftp #allowcvs #allowrdist #allowrsync #allowsvnserve source: https://…

Il Problema: # Dopo 4 anni di riprese ai LinuxDay di ERLUG dove a volte il risultato migliore che si riusciva ad ottenere a livello video era questo: ho iniziato a cercare una soluzione per acquisire l’output del monitor del relatore in modo che fosse uti…

Open: fdisk -l -u imagename.img kpartx -a -v imagename.img cryptsetup luksOpen /dev/mapper/loop0pN LUKSNAME vgscan vgchange -a y VGNAME mount /dev/mapper/VGNAME-LVNAME MOUNTPOINT Close: umount MOUNTPOINT vgchange -a n VGNAME cryptsetup luksClose LUKSNAME…

NB: these are notes for my particular installation, YMMV Installation: “burn” the image on the usb stick, I tend to use usb-creator-gtk on ubuntu, some say dd-ing the image on the usb is ok, insert the usb key on your applething, power on and press opt/al…

to hot change a disk in an mdadm array, the disk to remove is sdb, the disk to add is sdc: HAVE A BACKUP OF YOUR DATA really, backup your data Verify the configuration of the array: #cat /proc/mdstat Clone the partition table on the news disk: using sgdisk

source: http://www.makeuseof.com/tag/create-neural-paintings-deepstyle-ubuntu/ sudo apt-get install git lua5.2 luarocks luajit libprotobuf-dev protobuf-compiler curl -s https://raw.githubusercontent.com/torch/ezinstall/master/install-all | bash test torch:

Download the latest nvidia drivers for linux from Nvidia’s site and install it: .