Alex Mendes alexolinux

git-rebase

This guide explains how to safely update a feature branch from master in Git, using either merge or rebase, before creating or completing a pull request. Use this tutorial when your branch is out of date with the master branch, or when modifications are frequently made to the master branch during this time period.

Understanding `ahead` and `behind`

GitHub often shows messages like:

Python Compilation

To have another Python versions for the Linux Users without impacting the operating system, the best approach is to install Python locally in the user's home directory. This method avoids requiring root/sudo access and does not alter the system-wide Python installation.

To install Python (e.g.: 3.9.25) locally for a user without sudo access, including the pip module, follow these steps:

AWX K8s Installation

Preparation

mkdir AWX && cd AWX && \
  git clone https://github.com/ansible/awx-operator.git && \
  cd awx-operator/ && \

Create virtual environment in Python

Virtualenv using python

Check if venv module is installed

python -m venv --help

TMUX: Elevate Your Terminal Experience

Session Management:

Start TMUX Session: tmux new
Start TMUX Named session: tmux new -s <NAME>
Start TMUX Named detached session: tmux new -s <NAME> -d
Kill session: tmux kill-session -t <NAME>
Kill ALL sessions: tmux kill-server

Consul Installation

sudo yum install yum-utils
sudo yum-config-manager --add-repo https://rpm.releases.hashicorp.com/RHEL/hashicorp.repo
sudo yum install consul

	#!/bin/bash

	#https://hub.docker.com/r/portainer/agent
	AGENT_VERSION="2.33.3-alpine"

	# Check if the script is being run as root.
	if [ "$(id -u)" -eq 0 ]; then
	echo "This script should not be run as root. Run it as a non-root user."
	exit 1
	fi

	#!/bin/bash

	ARCH="x64"
	FFMPEG_VER="0.105.0"
	FFMPEG_URL="https://github.com/nwjs-ffmpeg-prebuilt/nwjs-ffmpeg-prebuilt/releases/download/$FFMPEG_VER/$FFMPEG_VER-linux-$ARCH.zip"
	OPERA_LIB="/usr/lib64/opera"
	TMP_DIR="/tmp/operalib"

	if [ -f "${OPERA_LIB}/libffmpeg.so" ]; then
	echo "libffmpeg.so already exists in ${OPERA_LIB}. Making backup..."

	#!/bin/bash

	# -- ------------------------------------------------------------------------------------------------
	# Author: alexolinux
	# This script to install and configure a Kubernetes cluster with control-plane and nodes.
	# -- ------------------------------------------------------------------------------------------------
	# https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/create-cluster-kubeadm/
	# https://kubernetes.io/docs/tasks/administer-cluster/kubeadm/kubeadm-upgrade/
	# -- ------------------------------------------------------------------------------------------------

	#!/bin/bash

	# Detect RHEL version
	if [ -f /etc/os-release ]; then
	. /etc/os-release
	RHEL_VERSION=$(echo $VERSION_ID \| cut -d '.' -f1)
	else
	echo "Unable to determine OS version."
	exit 1
	fi