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#
# ubuntu-2204-2204-kubernetes-v1.28.5-2024-01-10
# vs
# ubuntu-2204-2204-kubernetes-v1.28.15-2025-03-23
#
--- version-1.28.5	2025-03-25 18:21:09.320144808 +0000
+++ version-1.28.15	2025-03-25 22:24:21.601541525 +0000
@@ -4,54 +4,50 @@
 Name Version
  

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# https://kind.sigs.k8s.io/docs/user/known-issues#pod-errors-due-to-too-many-open-files

cat > /etc/sysctl.d/99-docker.conf <<EOF
fs.inotify.max_user_watches = 524288
fs.inotify.max_user_instances = 512
EOF
sysctl -f --system
service docker restart

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• https://cluster-api.sigs.k8s.io/reference/providers
• https://github.com/linode/cluster-api-provider-linode/
• https://github.com/SovereignCloudStack/cluster-stacks
• https://github.com/azimuth-cloud/capi-helm-charts/
• https://gitlab.com/Orange-OpenSource/kanod
• https://gitlab.com/sylva-projects/sylva-elements/helm-charts/sylva-capi-cluster/

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#!/bin/bash
#
# teleport purge recording from log
#
log="${1:?log file}"
[ -f "$log" ] || exit 1
grep sid "$log" |jq -re '.sid'|sort |uniq |while read a ; do 
  if [ -f ../records/$a.tar ] ;then
	    ls -l  ../records/$a.tar 
	    rm  ../records/$a.tar 

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#!/bin/bash
#
#  install oci-registry  https://github.com/mcronce/oci-registry/
#    oci-registry is an implementation of the OCI Registry spec with filesystem and S3 storage back-ends
#    Pull-through cache for any registry
# 
set -e -o pipefail
docker version || exit 1

test -f proxy.sh && source proxy.sh

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git clone https://github.com/rwv/lookscanned.io
cd lookscanned.io
docker run  -p 3000:3000 -v .:/build -it --rm node:latest bash -c '(cd /build && npm run dev -- --host)'
# connect to localhost:3000

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run Network Security Elastic Virtual Appliances on mac M1

For training purpose or lab.

Install qemu on mac

nice tutorial qemu on mac setup

brew install qemu

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#/bin/bash
# get helm-charts
git clone https://github.com/prometheus-community/helm-charts
# update helm dependency for kube-prometheus-stack
helm dependency update ../helm-charts/charts/kube-prometheus-stack

# apply patch from kustomize directory whith hook.sh and kustomization.yaml
cd kustomize
helm install kube-prometheus-stack ../helm-charts/charts/kube-prometheus-stack  --post-renderer=./hook.sh --debug --dry-run

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# Github visual code liveshare

- select github repo
- select/create branch
- press `.` key
- in vscode: select "live share"

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#!/bin/bash

URL="${1:? $(basename $0) URL}"
(
cd /var/log/nginx
for f in $(ls -rt1 access.log*) ; do
        case $f in
                *.gz) GREP="zgrep" ;;
                *) GREP="grep" ;;
        esac