Linux:
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My first eBPF tool: bioslow
A python tool I wrote which uses eBPF to log slow I/O operations
submitted to tags:[ linux eBPF storage ] categories:[ Linux ]
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TCP connection routing with IPtables
Howto use IPtables to redirect upcoming connection to another application
submitted to tags:[ iptables network linux ] categories:[ Linux ]
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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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Routing a specific port though wireguard VPN
Using policy based routing in Linux to choose network routes by destination port
submitted to tags:[ linux network routing firewall ] categories:[ Linux ]
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Remove passwords from Git repository
Short overview of how to remove sensitive data from git histories with bfg
submitted to tags:[ git linux password ] categories:[ Linux ]
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Ansible Role: Proxmox VM Setup
A Ansible role to automatically create VMs on a running Proxmox server
submitted to tags:[ linux proxmox vm ansible storage ] categories:[ Linux ]
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mkosi
MaKe Operating System Image
submitted to tags:[ linux systemd container ] categories:[ Linux ]
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Sharing filesystems with virtiofs between multiple VMs
Howto manually start virtiofs daemon and use it with QEMU VMs
submitted to tags:[ linux proxmox virtiofs filesystems Qemu ] categories:[ Linux ]
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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 tags:[ linux ubuntu debootstrap debian apt updates ] categories:[ Linux ]
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Reinitialize pacmans package database
Recover installed ArchLinux packages from logfile
submitted to tags:[ linux pacman arch yay ] categories:[ Linux ]
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Booting Ubuntu 20.04 live via http
Howto load and boot a casper created iso file via http
submitted to tags:[ linux pxe casper syslinux bootloader http ubuntu ] categories:[ Linux ]
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Shiet Protection
Howto remove password "secured" write protection from .xlsx files
submitted to tags:[ excel linux software ] categories:[ Linux ]
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Search and destroy corrupt pages in Postgres databases
Howto recover an unfixable corrupt database by zapping out the bad pages
submitted to tags:[ postgres linux software ] categories:[ Linux ]
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Building Arch Linux packages under Ubuntu
A short collection of commands to setup a Arch Linux build chroot
submitted to tags:[ Arch Linux Ubuntu bootstrap container chroot ] categories:[ Linux ]
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DNS Resolution on Laptops
Howto setup generic local DNS resolution working in different networkenvironments
submitted to tags:[ software systemd dns ] categories:[ Linux ]
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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 tags:[ systemd nspawn llmnr libnss nss dns linux ] categories:[ Linux ]
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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 tags:[ software selfhosted ] categories:[ Linux ]
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Simple Mailserver Setup
Howto setup a (relatively) simple mailserver with nextcloud integration
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Homeserver
Setup of my homeserver with an APU Board, Coreboot, BTRFS, Archlinux and Zeroconf
submitted to tags:[ hardware software storage ] categories:[ Linux ]
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Netjail
A self written bash tool to jail applications into OpenVPN only namepaaces
submitted to tags:[ software security linux ] categories:[ Linux ]
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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
submitted to tags:[ linux systemd network ] categories:[ Linux ]