Recent posts:
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Creating bootable images for physical machines
How to prepare a fully bootable Linux image instead of using an OS installer
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Vintage Telephone Home Network
Using old rotary dial phones for internal communication at home
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My first eBPF tool: bioslow
A python tool I wrote which uses eBPF to log slow I/O operations
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TCP connection routing with IPtables
Howto use IPtables to redirect upcoming connection to another application
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Loadbalancing TCP connections in the Linux kernel
About the network socket option SO_REUSEPORT
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Linux Block I/O debugging
An overview how to trace down disk I/O bottlenecks in Linux
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LAD23
Lustre Administration & Development workshop 2023
submitted to Misc with tags: linux lustre filesystem conference bordeaux opensource
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Routing a specific port though wireguard VPN
Using policy based routing in Linux to choose network routes by destination port
submitted to Linux with tags: linux network routing firewall
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Remove passwords from Git repository
Short overview of how to remove sensitive data from git histories with bfg
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Toronto ||
submitted to Furnishing with tags: ccc toronto bluetooth wood speaker furniture
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Mikrotik router as Wireguard VPN gateway
How to configure a IPv4/IPv6 VPN gateway with Mikrotik CLI
submitted to Misc with tags: mikrotik wireguard routing ipv6 nat njalla
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Ansible Role: Proxmox VM Setup
A Ansible role to automatically create VMs on a running Proxmox server
submitted to Linux with tags: linux proxmox vm ansible storage
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Cosmic Cable Ltd.
About the technical background of my beloved telephone company
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mkosi
MaKe Operating System Image
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Adjustable notebook stand made of wood
A desktop stand for laptops made from wood and cork
submitted to Furnishing with tags: wood office light hardware
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Sharing filesystems with virtiofs between multiple VMs
Howto manually start virtiofs daemon and use it with QEMU VMs
submitted to Linux with tags: linux proxmox virtiofs filesystems Qemu
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Ubuntu created with debootstrap not recieving updates
Short explanation why Ubuntu systems created with debootstrap don't contain all package repos
submitted to Linux with tags: linux ubuntu debootstrap debian apt updates
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Reinitialize pacmans package database
Recover installed ArchLinux packages from logfile
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Everything standardized, nothing works!
A voyage through SATA power management
submitted to Hardware with tags: sata linux homeserver backplane sas
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Booting Ubuntu 20.04 live via http
Howto load and boot a casper created iso file via http
submitted to Linux with tags: linux pxe casper syslinux bootloader http ubuntu
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Shiet Protection
Howto remove password "secured" write protection from .xlsx files
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Search and destroy corrupt pages in Postgres databases
Howto recover an unfixable corrupt database by zapping out the bad pages
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Building Arch Linux packages under Ubuntu
A short collection of commands to setup a Arch Linux build chroot
submitted to Linux with tags: Arch Linux Ubuntu bootstrap container chroot
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Lichtverschmutzer
A frankensteinered IKEA desk lamp with an air filter with barometer as socket
submitted to Furnishing with tags: lamp light barometer desktop
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Lichtverschmutzer Enterprise Edition
A desk lamp with a 1W 12V LED and an air filter with barometer as socket
submitted to Furnishing with tags: lamp light barometer desktop
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DNS Resolution on Laptops
Howto setup generic local DNS resolution working in different networkenvironments
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Lichtmaschine
A desk lamp made from an old alternator and an industrial shade
submitted to Furnishing with tags: light hardware
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Host and container name resolution with LLMNR
Short howto about using LLMNR and libNSS to resolved local container names
submitted to Linux with tags: systemd nspawn llmnr libnss nss dns linux
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FOSDEM 2020
A short review over OpenSource topics I found perticularily interesting on FOSDEM 2020
submitted to Misc with tags: conference opensource
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Installing Ubuntu 18.04 from Archlinux on APU Board
Howto install an Ubuntu 18.04 from an Archlinux livesystem on an APU2c4 board.
submitted to Linux with tags: software selfhosted
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Simple Mailserver Setup
Howto setup a (relatively) simple mailserver with nextcloud integration
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Hyperconverged Garden
submitted to Furnishing with tags: style plants
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Dell Latitude 2nd HDD slot
Quick and dirty solution to add an additional 2.5" HDD to a Dell Latitude E4300
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Homeserver
Setup of my homeserver with an APU Board, Coreboot, BTRFS, Archlinux and Zeroconf
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Netjail
A self written bash tool to jail applications into OpenVPN only namepaaces
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HP Micro Flowerpot
Using an HP Microserver for what its best for
submitted to Furnishing with tags: style hardware plants
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Notifications under i3
Howto use simple graphical notifications with i3 windowmanager
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Simple Wireless Setup
Basic setup for managing wifi connection on linux with systemd-networkd and wpa_supplicant
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Introducing
First post
submitted