linux:

• My first eBPF tool: bioslow

  A python tool I wrote which uses eBPF to log slow I/O operations

  submitted 2024-04-18T15:30:29+02:00 to tags:[ linux eBPF storage ] categories:[ Linux ]

• TCP connection routing with IPtables

  Howto use IPtables to redirect upcoming connection to another application

  submitted 2024-02-12T23:59:59+02:00 to tags:[ iptables network linux ] categories:[ Linux ]

• Loadbalancing TCP connections in the Linux kernel

  About the network socket option SO_REUSEPORT

  submitted 2023-12-20T16:36:34+01:00 to tags:[ linux ] categories:[ Linux ]

• Linux Block I/O debugging

  An overview how to trace down disk I/O bottlenecks in Linux

  submitted 2023-10-14T21:16:18+02:00 to tags:[ linux storage ] categories:[ Linux ]

• LAD23

  Lustre Administration & Development workshop 2023

  submitted 2023-10-04T15:59:49+02:00 to tags:[ linux lustre filesystem conference bordeaux opensource ] categories:[ Misc ]

• Routing a specific port though wireguard VPN

  Using policy based routing in Linux to choose network routes by destination port

  submitted 2023-09-18T14:51:16+02:00 to tags:[ linux network routing firewall ] categories:[ Linux ]

• Remove passwords from Git repository

  Short overview of how to remove sensitive data from git histories with bfg

  submitted 2023-04-19T19:18:47+02:00 to tags:[ git linux password ] categories:[ Linux ]

• Ansible Role: Proxmox VM Setup

  A Ansible role to automatically create VMs on a running Proxmox server

  submitted 2022-09-18T16:50:34+02:00 to tags:[ linux proxmox vm ansible storage ] categories:[ Linux ]

• mkosi

  MaKe Operating System Image

  submitted 2022-07-08T12:41:51+02:00 to tags:[ linux systemd container ] categories:[ Linux ]

• Sharing filesystems with virtiofs between multiple VMs

  Howto manually start virtiofs daemon and use it with QEMU VMs

  submitted 2021-11-09T16:41:18+01:00 to tags:[ linux proxmox virtiofs filesystems Qemu ] categories:[ Linux ]

• Ubuntu created with debootstrap not recieving updates

  Short explanation why Ubuntu systems created with debootstrap don't contain all package repos

  submitted 2021-10-26T13:44:02+02:00 to tags:[ linux ubuntu debootstrap debian apt updates ] categories:[ Linux ]

• Reinitialize pacmans package database

  Recover installed ArchLinux packages from logfile

  submitted 2021-09-08T14:39:31+02:00 to tags:[ linux pacman arch yay ] categories:[ Linux ]

• Everything standardized, nothing works!

  A voyage through SATA power management

  submitted 2021-08-31T20:24:36+01:00 to tags:[ sata linux homeserver backplane sas ] categories:[ Hardware ]

• Booting Ubuntu 20.04 live via http

  Howto load and boot a casper created iso file via http

  submitted 2021-07-28T23:39:21+02:00 to tags:[ linux pxe casper syslinux bootloader http ubuntu ] categories:[ Linux ]

• Shiet Protection

  Howto remove password "secured" write protection from .xlsx files

  submitted 2021-06-23T15:40:21+02:00 to tags:[ excel linux software ] categories:[ Linux ]

• Search and destroy corrupt pages in Postgres databases

  Howto recover an unfixable corrupt database by zapping out the bad pages

  submitted 2021-06-22T13:04:41+02:00 to tags:[ postgres linux software ] categories:[ Linux ]

• Building Arch Linux packages under Ubuntu

  A short collection of commands to setup a Arch Linux build chroot

  submitted 2020-12-28T17:22:02+01:00 to tags:[ Arch Linux Ubuntu bootstrap container chroot ] categories:[ Linux ]

• Host and container name resolution with LLMNR

  Short howto about using LLMNR and libNSS to resolved local container names

  submitted 2020-07-02T18:53:02+02:00 to tags:[ systemd nspawn llmnr libnss nss dns linux ] categories:[ Linux ]

• Netjail

  A self written bash tool to jail applications into OpenVPN only namepaaces

  submitted 2018-11-19T10:11:23Z to tags:[ software security linux ] categories:[ Linux ]

• Notifications under i3

  Howto use simple graphical notifications with i3 windowmanager

  submitted 2018-05-05T22:12:00+02:00 to tags:[ linux network ] categories:[ Linux ]

• Simple Wireless Setup

  Basic setup for managing wifi connection on linux with systemd-networkd and wpa_supplicant

  submitted 2018-04-24T21:17:57+02:00 to tags:[ linux systemd network ] categories:[ Linux ]