bitroniq

Jekyll and Liquid Cheatsheet

A list of the most common functionalities in Jekyll (Liquid). You can use Jekyll with GitHub Pages, just make sure you are using the proper version.

Running

Running a local server for testing purposes:

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#!/bin/bash

# gets iam security credentials from instance metadata and writes them to
# awscli environment variables and .s3cfg (for s3cmd)

# Usage: ec2-get-security-credentials ROLENAME DEFAULT_REGION
# ROLE=$1
# DEFAULT_REGION=$2

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#!/usr/bin/env sh
# First, we need to grab the name of the IAM role attached to the instance.
instance_profile=$(curl http://169.254.169.254/latest/meta-data/iam/security-credentials/)

# Alright, we’ve got the IAM role name, which we’ll now use to grab the access and secret access keys.
aws_access_key_id=$(curl http://169.254.169.254/latest/meta-data/iam/security-credentials/"${instance_profile}" | grep AccessKeyId | cut -d':' -f2 | sed 's/[^0-9A-Z]*//g')

aws_secret_access_key=$(curl http://169.254.169.254/latest/meta-data/iam/security-credentials/"${instance_profile}" | grep SecretAccessKey | cut -d':' -f2 | sed 's/[^0-9A-Za-z/+=]*//g')

aws_session_token=$(curl http://169.254.169.254/latest/meta-data/iam/security-credentials/"${instance_profile}" | grep Token | awk '{ print $3 }' | sed -e 's/^"//' -e 's/",//')

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#cloud-config
ssh_pwauth: True
password: techloq12
users:
  - default
  - name: root
  - name: bitroniq
chpasswd:
  list: |
    root:techloq12

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curl -si https://api.github.com/users/bitroniq/repos | \
    grep ssh_url | cut -d '"' -f4 | xargs -i git clone {}

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uild1:
  image: centos:7
  stage: build
  script:
    - |
       set +x
       echo "Color test:"
       echo "-----------"
       echo -e "\033[30;1m This is   ansi_bold black\033[0;m"
       echo -e "\033[31;1m This is     ansi_bold_red\033[0;m"

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Running Enchanced session with XRDP on MS Hyper-V running UBuntu 20.04

• Follow https://techcommunity.microsoft.com/t5/virtualization/sneak-peek-taking-a-spin-with-enhanced-linux-vms/ba-p/382415
• xrdp.service not starting because address already in use: microsoft/linux-vm-tools#94

Get the scripts from GitHub

sudo apt-get update
sudo apt install git
git clone https://github.com/Microsoft/linux-vm-tools.git ~/linux-vm-tools

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Add this to .vimrc

if system('uname -r') =~ "Microsoft"
  augroup Yank
    autocmd!
    autocmd TextYankPost * :call system('clip.exe ',@")
  augroup END
endif

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VM images

vGateway images extensions

• .qcow2 - KVM type Virtual Machines
• .vmdk - VMware and VirtualBox and ESXi
• .vdi - VirtualBox
• .vhdx - Microsoft Hyper-V
• .vhd - Azure requires fixed size

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Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\NetworkIsolation]
"DSubnetsAuthoritive"=dword:00000001
"DomainSubnets"="100.64.0.0/12"