Posts in Technology
Native K8s Sidecar Containers with gluetun
- 18 June 2024
I tried to use the new Kubernetes native
Sidecar Containers
introduced since v1.29. The initContainers and pod were stuck in
PodInitializing state and the other containers were not starting up.
External-DNS Policy flag
- 18 June 2024
The behavior of the external-dns --policy flag is not documented in the
external-dns docs. After looking at the code and experimentation the flags work
like this:
Cert-manager can’t find route53 secret
- 18 June 2024
It seems I did something to delete the original cert-manager Route53 secret, renewals and new certs failed with this error:
Opensearch failed to obtain node locks error
- 02 January 2024
My cluster would not start up after killing the containers using the force,
which means elasticsearch / opensearch did not get a chance to cleanly shutdown
and remove the lock files. The error looks like this:
Make Search Great Again!
- 10 June 2023
Internet search is basically useless now, I heard it described as “no longer a search engine, but an add serving platform”. The search results have deteriorated to the point where it is even worse than an add platform it is now just a market place.
Philips HF3520
- 16 October 2022
My HF3520 had a mainboard failure and my attempts to repair it also failed. I have salvaged some of the components. Trying to save the environment by keeping them out of landfill in the hope someone else needs the parts
Dell WD19TB screen flashing with M1 Mac
- 10 July 2022
New 2022 M1 Macbook external display flickers when plugged into the Dell WD19TB docking station.
Download page including assets loaded at runtime
- 06 February 2022
curl and wget can be used to archive a site but even with the most exotic command line switches they will omit dynamically loaded assets pulled via javascript during run time. curl and wget will not follow them and the site will not work for later offline viewing. To download all the assets including dynamically loaded data we can generate a HAR file from the developer tools view in chrome.
Arch Linux on X1 Carbon 6th Gen
- 10 January 2022
This is a bunch of random notes on installing Arch Linux on a ThinkPad X1 Carbon 6th Gen.
M5 Paper e-ink Calculator
- 27 November 2021
I added an M5 Paper to my collection of dev boards and decided to make a basic calculator to teach my son to count. Since he is only a few months old he mostly uses it as an expensive teething device.
TLS/SSL Certificate Authority (CA) Trust store verification
- 31 January 2021
The CA trust store is how a TLS client establish trust with the servers offered certificates. Curl uses openssl and Python uses its own store (like Java). The store on my system is located here:
AWS API Gateway notes
- 01 January 2021
How to make a private REST API using AWS API Gateway that is only accessible from inside a VPC.
Stringer Self Hosted RSS Reader
- 27 December 2020
My setup is using the docker compose file and a local build of the docker image
(since docker hub image is years old). Here is a dark theme (solarized) for the
CSS. Just paste this over your stringer/app/assets/stylesheets/application.css
file. I did not spend much time on it but it looks good enough for my taste.
Intercept HTTP/HTTPS TLS traffic
- 22 November 2020
Use open source project mitmproxy and have visibility into what iOS apps (or anything else) are sending back to their mother ship.
Moved blog to alabaster with Sphinx
- 21 November 2020
Mostly notes to self on how to deploy and architecture / setup. Inspired by https://github.com/vincentbernat/vincent.bernat.ch
Kubernetes tips
- 08 November 2020
The problem is solved by removing the leading slash after the podname colon separator:
Expose WSL2 To LAN
- 30 November 2019
I need to connect to my WSL2 container from other machines on the
network over SSH: My container is assigned 172.24.208.2 and I will map
5022 to 22 on the host.
Empty the clipboard as keystrokes with AutoHotKey (Windows)
- 01 January 2018
This is an AutoHotKey script for pasting the clipboard contents by simulating hardware keystrokes. It also fixes stuck keys such as control and shift keys after the shortcut runs which are useful when pasting into a KVM, VMware console, RDP or Citrix session where latency is high or clipboard support doesn’t exist.
postfix/smtp[5600]: fatal: valid hostname or network address required in server description
- 25 October 2017
Getting the error:
Python quick dirty ping scan subnet
- 05 March 2017
This script will automatically ping scan the subnet your host is connected to. To do this it does the following:
Proxyify application that does not support proxy
- 01 February 2016
I have a legacy application that needs to connect over a proxy such as
squid or HAProxy to a service on the internet. In other words I want to
use netcat (nc) or something similar to proxy traffic through a proxy
using the proxy protocol (or CONNECT method).
Error when checking or applying host profile compliance “coredump partition”
- 13 May 2015
The following error message occurs when you either
EMC VNX CLARiiON hacking MLUCLI
- 20 February 2015
I stumbled upon on an Ebay bargain I could not resist, thankfully my old boss and good friend Wilhelm kindly allowed me to purchase a VNX 7600 with all the drives, and run the monster in a closet in our office! W.W also let me spend some time exploring the internals of the VNX. The original owner shuffled all the drives around including the sacred first 5 drives that contain the FLARE OS rendering it useless.
LiPo Charging Hack
- 01 October 2013
When trying to charge a LiPo that had been drained to 0 voltage I was getting an error:
How to check MTU with ping on ESX (or any OS)
- 14 February 2012
Just keep decreasing the packet size with -s flag on the ping
command:
2147943712 Task Scheduler
- 20 September 2011
When trying to get the Task Scheduler to run regardless of if a user is logged on or not.
Make any Windows window transparent
- 13 March 2011
Everything displayed in the Windows user session is ultimately controlled by the Windows GDI Any everything displayed in a users session must run as that user (without modifying kernel or display drivers). Python provides a convenient API to control GDI.
Failover Cluster add disk fails on Windows
- 30 April 2010
When trying to add a new cluster disk in a Failover Cluster the following error comes up in the report.