Posts

2022

• 09 Jun Dynamic native browser autocompletion with JavaScript and Vue 3
• 05 Apr Using conditional dynamic blocks in Terraform
• 09 Mar Access the Azure Storage REST API using an OAuth2 bearer token
• 08 Feb Parsing boolean string statements in bash

2021

• 31 Dec Helpful bash aliases for git
• 16 Nov Go incoming http.Request - the Host header is gone!
• 30 Oct Rendering Go struct tags other than json with oto code generation
• 27 Sep International chars (UTF-8) not displaying properly over SSH
• 14 Jul Numbering the filenames when downloading multiple files with cURL
• 09 Jun Choose what Python linters are used for Syntastic plugin in Vim
• 04 May How to make wpa_cli work in NixOS
• 27 Apr Protecting a Kubernetes ingress for ingress-nginx with HTTP basic auth using Terraform
• 31 Mar Querying metrics from the Kubernetes API using the official golang Kubernetes client
• 28 Feb SSL EOF errors with Python 3 SQLAlchemy and managed cloud Postgres database
• 31 Jan Configure Kubernetes deployment secrets in GitHub Actions with Terraform

2020

• 04 Dec Buffered read split by two consecutive newlines using bufio.Scanner in Go
• 28 Nov Change partition or logical volume (LV) order in LVM
• 27 Oct Custom keyboard layout in Wayland like Xmodmap in X11
• 20 Sep A Python object type that supports both dict and dot value getter
• 06 Sep Storing a Python dict as JSON in SQLite using SQLAlchemy
• 31 Aug Building my Jekyll blog in Docker using Ubuntu
• 29 Aug Capture output of running a shell command in Ruby
• 27 Aug Python 3: pitfalls, tips and tricks
• 20 Jun Setup a browser kiosk in NixOS with Xorg and Openbox
• 29 Apr Honda CB500 T 1996 motorcycle upgrade notes
• 16 Apr Overriding an existing Perl package in NixOS
• 07 Mar My (expanding) list of usage notes for Nix, NixOS and NixOps
• 19 Feb Rate limiting requests to an app that is (reverse) proxied behind nginx
• 06 Feb Different query results with single and double quotes in InfluxDB queries
• 26 Jan Using watchdog and sd-notify functionality for systemd in Python 3

2019

• 14 Dec Print a PDF on a printer without CUPS or other driver
• 09 Dec Publish a service with Avahi on NixOS
• 05 Nov Packaging an executable Python script nicely in Nix for NixOS
• 10 Oct Create a Windows 8 bootable USB stick from an ISO on Linux
• 09 Oct Update firmware of Samsung EVO 840 and 850 SSD drives on Linux
• 14 Sep Alter Postgres 9.4 configuration options using official postgres docker image
• 03 Sep Prepare a headless Raspberry Pi 3 with Arch Linux ARM to connect to WiFi
• 21 Aug Retrieve or backup Android (LineageOS) contacts with adb
• 06 Aug Using libnfc bindings in Golang with an ACR122U-A9 tag reader
• 05 Jul My jump into golang (notes)
• 22 Jun Generating random color codes in Python 3
• 07 Jun Using Scaleway's Object Storage S3 API with boto3 in Python 3
• 30 Apr Running WoW 1.12 on Arch Linux with wine and nvidia with a NVIDIA GeForce 9800 GTX
• 30 Apr Verify a string consists strictly of a substring of itself in javascript
• 14 Apr Adjust auto close hours for Discourse post topics
• 26 Mar Use Raspberry Pi as WiFi AP and route traffic through Wireguard (port 53)
• 23 Feb The working, but not great, Jekyll comment plugin development story
• 21 Feb Booting with systemd-boot hangs on black screen with white caret
• 21 Feb Updating and applying default GRUB settings in CentOS 7
• 11 Feb Write a custom bash completion script for tmux attach
• 19 Jan Travel tips for bad internet connections

2018

• 30 Nov Read image version from environment or file inside Docker image in a running container
• 31 Oct Test an SMTP server from commandline using telnet
• 24 Oct Extracting substring in bash by matching
• 08 Oct Setting up a WireGuard VPN server on CentOS
• 17 Sep Stream audio over network with PulseAudio running on Raspberry Pi
• 03 Sep Define imagePullSecrets on the default service account in kubernetes namespace
• 25 Aug Basic authentication for everyone except localhost in nginx
• 12 Jul DNS lookups times out and unbound trust anchors DNSKEY rrset is not secure
• 25 Jun Terraform provider kubernetes - system:anonymous cannot create services in the namespace
• 21 Jun Using docker-compose build and push in Bitbucket Pipelines
• 19 Jun Verify TLS certificates for DNS over TLS connections in unbound
• 13 Jun Troubleshooting AWS EKS kubectl with heptio-authenticator
• 13 Jun Flash ESP8266 firware over the air (OTA) with espota.py
• 12 Jun Update Kubernetes Dashboard in Azure Container Service
• 04 Jun Update EFI boot entries with UEFI shell
• 01 Jun Build Arduino sketches from command-line and flash to ESP8266 from Pi
• 31 May Creating a Kubernetes cluster in Azure CLI
• 31 May Surprised when sed replacing a token with a URI
• 13 May Update BIOS on a Thinkpad with Linux
• 03 May LVM in LUKS with encrypted boot and suspend-to-disk
• 27 Apr This is now a Jekyll blog
• 24 Apr Trigger Caps Lock in Linux from the terminal
• 22 Apr Use a custom built provider with Terraform
• 22 Apr Self healing reverse SSH setup with systemd
• 13 Apr Terraform staging environment
• 09 Apr Terraform secret creation invalid character looking for beginning of value
• 08 Apr Make rsyslog container aware remove pidfile on start
• 15 Mar Kubernetes non dynamic persistent volumes and claims
• 27 Feb kubectl proxy error connection refused and too many open files
• 23 Feb Re-encrypt LUKS boot partition
• 10 Feb Python 3 assert statements
• 09 Feb Polybar jsoncpp cannot open shared object file
• 05 Feb Example mongodb ObjectID string
• 01 Feb kafka-python verify that a topic exists
• 31 Jan Docker login invalid username or password
• 31 Jan Robomongo (Robo-3T) high DPI settings for Linux and Mac
• 31 Jan Experiences with the Wanhao i3 Duplicator
• 03 Jan Start zookeeper listening on localhost only
• 03 Jan Generate password hash for ASP.NET Identity authentication

2017

• 30 Dec Decrypt and mount LUKS disk from GRUB rescue mode
• 28 Dec OpenVPN revoke client certificate
• 27 Dec Clone corrupted SD-card and ignore read errors
• 25 Dec Vim indentation for specific file type extensions
• 25 Dec kafka-python no broker available with kafka on localhost
• 14 Dec passwordstore passdemenu and type automatically in i3wm
• 13 Dec Notes on cryptsetup LUKS2 format
• 04 Dec Create bootable USB drive with ThinkPad Drive Erase Utility on Linux
• 04 Dec My Arch Linux installation notes
• 02 Dec Combining bash scripts and Node.js process streams
• 30 Nov Watch dump dhcp requests on local network
• 30 Nov Adding an ethernet port to a Raspberry Pi Zero
• 28 Nov Split text on whitespace in terminal output
• 28 Nov Get numeric (octal) permissions of a file or directory
• 12 Nov Test if string is an IP address in Node.js
• 07 Nov arch linux gcc 32-bit libraries c assembly
• 06 Nov tail follow file logrotate
• 01 Nov yank more than 50 lines in vim
• 30 Oct ssh directly into tmux
• 24 Oct Increase 5v rail amp output on Raspberry Pi 3/Zero
• 23 Oct An old warrior
• 20 Oct Dump all incoming queries of mysql database
• 19 Oct Remember last used directory across sessions in bash
• 19 Oct Re-save iptables rules with iptables-persistent
• 16 Oct Xerox WorkCentre 7425 7428 7435 default admin password
• 14 Oct Raspberry Pi 3 ffmpeg with audio input audioinjector stereo hat
• 12 Oct Setting up a PN532 NFC module on a Raspberry Pi using I2C
• 12 Oct Enable SSH server sshd on raspbian
• 03 Oct life tips
• 03 Oct gulp generate pug templates from JSON array
• 02 Oct gulp pug with template filename as local data at compile time
• 19 Sep system wide pager settings for less on ubuntu
• 18 Sep curl only write to file if successful status 200
• 13 Sep Allow both HTTP and HTTPS and multi domain in CORS header on nginx
• 07 Sep Export PostgreSQL table data as JSON with psql
• 30 Aug Set default application for MIME type with xdg-mime
• 30 Aug List of useful PostgreSQL commands
• 30 Aug Restore PostgreSQL database in Docker container
• 29 Aug Manage remote Postgres SQL database with Docker
• 28 Aug Docker compose fails with oci runtime error container_linux.go:262
• 14 Aug Multi-monitor setup with i3 and xrandr on arch linux
• 14 Aug Disable urxvt ISO14755 mode yellow box on ctrl+shift
• 01 Aug Redirect debug output of bash script to file
• 30 Jul Pipe video stream from raspberry pi to local computer with ffplay
• 28 Jul Capture groups with grep perl regular expression
• 27 Jul Convert JPG to PDF with ImageMagick
• 27 Jul Substring extraction in bash
• 21 Jul Testing all substrings of a password for basic auth with curl
• 16 Jul Set up your own what is my ip service with just nginx
• 16 Jul Piping mongoose document to Node.js response stream
• 12 Jul Debug helpers in bash
• 12 Jul Mounting filesystem in ram with tmpfs
• 10 Jul Norwegian keys on US keyboard layout with .Xmodmap
• 07 Jul Useful commands to Cisco 3560/3650E
• 30 Jun Serve multiple subdomains with different root single config nginx
• 27 Jun Recovering from btrfs errors
• 26 Jun Express.js can't set headers after they are sent
• 25 Jun No need for gvfs-trash to delete files in Atom (Electron)
• 24 Jun What binaries does a program supply? (pacman)
• 22 Jun How to test passphrase of openssl rsa certificate keyfile
• 13 Jun Unable to log into ssh after useradd new user
• 12 Jun CLI create new issue for git repo on private Gogs server from command line
• 05 Jun Setting up wireless network on a Raspberry Pi 3 with Arch Linux Arm armv7h
• 04 Jun ssh-copy-id using a different key than what I want
• 03 Jun Update group membership Linux
• 01 Jun Flashing SD card with Arch Linux ARM for Raspberry Pi 2 and 3
• 24 May Override Atom editor ctrl+tab and ctrl+shift+tab shortcuts
• 24 May Disable pug debug output with express.js web app
• 23 May Zhone 6618-W1-xx wireless dsl gateway router default password
• 22 May dnsmasq dhcp not handing out addresses
• 15 May Blink the ethernet port of your network card linux
• 14 May pic2re
• 13 May urxvt backspace and other control keys not working on remote host in ssh
• 12 May Remove package with dependencies arch pacman yaourt
• 09 May Canyon CN-WCAM21 webcam with ffmpeg
• 03 May Obfuscate email addresses using the HTML bidirectional override element
• 22 Apr bro
• 20 Apr Logging out of HTTP basic auth
• 19 Apr nginx set location of /favicon.ico
• 19 Apr 777
• 11 Apr ansi abstract art
• 06 Apr SCSS lighten function
• 06 Apr Gulp terminal bell
• 05 Apr Troubleshooting bluescreen of death ntoskrnl.exe Windows 7
• 02 Apr Problems with Chromecast in Chromium on Linux (working!)
• 31 Mar freenode IRC bot SASL login
• 28 Mar Gogs: Key access denied with SSH
• 27 Mar Roll your own NetworkManager connectivity check endpoint with nginx
• 26 Mar WiFi loses connectivity periodically wpa_supplicant reason 4
• 23 Mar Automatically redirect to HTTPS in nginx
• 23 Mar Default MIME type to use when serving files nginx
• 23 Mar Current system time in hex
• 23 Mar Format disk for Windows, Mac and Linux on Linux
• 21 Mar drake said it
• 15 Mar Plans
• 15 Mar Setting up fail2ban on Ubuntu Server 16.04 Xenial
• 15 Mar Persistently disable wlan powersaving in NetworkManager
• 14 Mar this album
• 14 Mar I know regex
• 13 Mar Node executable on Windows mingw 'output is not a tty'
• 13 Mar Import LastPass passwords csv to linux pass
• 11 Mar Setting up a dhcp server with dnsmasq
• 10 Mar Configure docker to use an HTTP proxy server
• 08 Mar What is the git.io link pointing to?
• 07 Mar Installing kubernetes and weave on a blade server cluster (unfinished)
• 07 Mar time is fast
• 07 Mar Display open shared files Windows
• 07 Mar ufw allow rules on multiple interfaces
• 07 Mar gpg refresh keys failed
• 06 Mar Lost password to gogs git server docker instance
• 06 Mar Failed to send 300 byte long packet over fallback interface (dhclient)
• 06 Mar Unlock bootloader Asus Zenpad Z170CG (P01Y)
• 26 Feb Run a command every n seconds in bash shell
• 26 Feb Getting started with tmux
• 26 Feb Install a package from local directory in Atom
• 26 Feb Generating a pseudorandom password or string in Linux bash