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ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJO5uH6Bj+dJPOfN9iRAxq4XHnIAI+iwvXgajHIXOeJu kube@xps17

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Table of Contents

• set -e, -u, -x, -o pipefail
• set -e
• set -x
• set -u
• set -o pipefail
• Setting IFS
• Original Reference

set -e, -u, -x, -o pipefail

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set -e, -u, -o, -x pipefail

The set lines

• These lines deliberately cause your script to fail. Wait, what? Believe me, this is a good thing.
• With these settings, certain common errors will cause the script to immediately fail, explicitly and loudly. Otherwise, you can get hidden bugs that are discovered only when they blow up in production.

• set -euxo pipefail is short for:

set -e
set -u

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#!/bin/bash

####
# Split MySQL dump SQL file into one file per table
# based on http://blog.tty.nl/2011/12/28/splitting-a-database-dump
# TO be tested
####

if [ $# -lt 1 ] ; then
  echo "USAGE $0 DUMP_FILE [TABLE]"

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#_preseed_V1
#### Contents of the preconfiguration file (for bullseye)
### Localization
# Preseeding only locale sets language, country and locale.
d-i debian-installer/locale string en_FR

# The values can also be preseeded individually for greater flexibility.
#d-i debian-installer/language string en
#d-i debian-installer/country string NL
#d-i debian-installer/locale string en_GB.UTF-8

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# Install wifi drivers 
-------------------------------

apt-get update && apt-get install firmware-iwlwifi



# Install graphic drivers 
-------------------------------

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version: '3.7'
services:
  traefik:
    image: traefik:v2.2.0
    ports:
      - "${FRONT_HTTP_PORT:-80}:80"
      # - "${TRAEFIK_PORT:-8080}:8080"
    environment: 
      # - TRAEFIK_LOG_LEVEL=DEBUG
      - TRAEFIK_PROVIDERS_DOCKER_EXPOSEDBYDEFAULT=false

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Traefik: redirect base or root path to a subpath

This is tested with Traefik 1.7

This is how to redirect the root or base path to a sub path in Traefik using Docker labels:
Goals

• https://example.com -> https://example.com/abc/xyz/
• https://example.com/ -> https://example.com/abc/xyz/
• https://example.com/something -> no redirect

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if [ ! -f .env ]
then
  export $(cat .env | xargs)
fi

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#!/bin/bash 

# https://cloud.google.com/compute/docs/faq#find_ip_range
# nslookup -q=TXT _cloud-netblocks.googleusercontent.com  8.8.8.8

myarray=()
for LINE in `dig txt _cloud-netblocks.googleusercontent.com +short | tr " " "\n" | grep include | cut -f 2 -d :`
do
	myarray+=($LINE)
	for LINE2 in `dig txt $LINE +short | tr " " "\n" | grep include | cut -f 2 -d :`