avatar

> /dev/null 2>&1

ramblings of a sysadmin

2024

Use resident SSH key(s) on YubKey using Fido2
yubikey howto
YubiKey bash setup
yubikey bash

2022

Luks decryption with clevis and TPM2
howto security
Bootstrap Raspberry Pi OS on Pi Zero 2 W
network pi
Raspberry Pi Zero 2 W
network pi

2021

Wireguard VPN server
network security wireguard
Ubuntu cloud images with virt-install
libvirt ubuntu
mtr - combining traceroute and ping
bash command
Ubuntu cloud images with KVM
libvirt ubuntu
Raspberry Pi 4 - Ubuntu 20.04 w/Btrfs root
pi btrfs
Malware lists for PiHole
security link
Use Vanilla kernel on Fedora
fedora kernel link

2020

snapper - filesystem snapshot management
btrfs fedora howto
git - the simple guide
git guide link
Chess resources
chess link
Origami / Paper Folding
link origami
Tear free desktop on Intel graphics
intel xorg
Barcode Content
link qrcode
Learn Docker with LearnDocker.online
docker link
bmon - bandwidth monitor and rate estimator
bash command
ncdu - NCurses Disk Usage
bash command
tldr - a supplement to man
bash command
e1000e: Detected Hardware Unit Hang
NetworkManager bug network
Portable Hardware Locality (hwloc)
cpu hardware link
List CPU vulnerabilities
security oneliner
Bootstrap Debian VM with virt-install
debian libvirt
Libvirt and Vagrant
libvirt vagrant
Vagrant with Ubuntu Focal (20.04)
ubuntu vagrant virtualbox

2019

Design an online ransomware safe backup with restic
howto restic security

2018

SSH with YubiKey NEO on Fedora made easy
howto security yubikey

2016

Distributed syncing with Syncthing
link network

2015

Compressed RAM based block devices
howto kernel link
Record a PulseAudio sound stream
howto pulseaudio

2014

Vagrant with OpenStack
howto vagrant
fio - flexible I/O tester
benchmark howto
Power saving on laptop
intel
View Google Earth in the browser
howto chromium
Vagrant, development environments made easy
link vagrant
Only Firefox is safe post Heartblead
link security
Flashing a custom rom on Nexus 4
howto android
OCSP Stapling on Apache
security link
reStructuredText cheat sheet
cheatsheet pelican
How to get A+ on SSL Labs
security
Auto generate Pelican blog from Dropbox
howto pelican
Configuring OpenVPN server on RTN66U
howto network security vpn
Better entropy with haveged
link security entropy
RT-N66u with Tomato by Shibby firmware
firmware howto network
Find duplicate files
bash oneliner
Remove unused kernels
bash oneliner ubuntu kernel
SSL Server Test
link
Modeline in vim
howto vim
Cloud virtual machine
link
Bash getopts example
howto bash
Scaling in the Linux Networking Stack
link
Creating a blog based on Pelican
howto pelican