Abdul Hannan Kamrul k4mrul

How to Install the Vagrant libvirt Provider on Ubuntu 22.04.2 LTS Desktop or Server

This document describes how to install the Vagrant libvirt provider on Ubuntu 22.04.2 LTS Desktop or Server. Much of the content is based on a blog post by Philippe Vanhaesendonck of Oracle Corp. describing how to set up the Vagrant libvirt provider on Oracle Linux.

All of the commands shown should be run in a terminal window or SSH session.

Before You Start

Verify That Your CPU Supports Hardware Virtualization

Deploy the MongoDB Replica set using Ansible.

Pre-requisite:

Make sure to add hosts entries in /etc/hosts in all mongod instance. Verify whether it's reachable, i.e within network. Check it with ping or telnet. ping hostname/ip telnet hostname/ip mongo_port Quick guide

Adjust the hosts details in inventory. Adjust the global variables in group_vars/all

Create a new repository, or reuse an existing one.

Generate a new SSH key:

ssh-keygen -t rsa -C "youremail@example.com"

Copy the contents of the file ~/.ssh/id_rsa.pub to your SSH keys in your GitHub account settings (https://github.com/settings/keys).

Test SSH key:

Install & Configure MailHog

Download and make it executable

wget https://github.com/mailhog/MailHog/releases/download/v1.0.0/MailHog_linux_amd64
sudo cp MailHog_linux_amd64 /usr/local/bin/mailhog
sudo chmod +x /usr/local/bin/mailhog

Make MailHog as a service

Installing Kerberos on Redhat 7

This installation is going to require 2 servers one acts as kerberos KDC server and the other machine is going to be client. Lets assume the FQDN's are (here cw.com is the domain name, make a note of the domain name here):

Kerberos KDC Server: kdc.cw.com
Kerberos Client: kclient.cw.com

Important: Make sure that both systems have their hostnames properly set and both systems have the hostnames and IP addresses of both systems in

	#!/bin/bash

	##
	# Remove "Commercial use suspected"/"Commercial use detected" warning on teamviewer 13
	#
	# Tested on Arch linux
	##

	CONFIG_FILE=/opt/teamviewer/config/global.conf

	#!/bin/sh
	#Put in /etc/adblock.sh

	#Script to grab and sort a list of adservers and malware

	#Check proper DHCP config and, if necessary, update it
	uci get dhcp.@dnsmasq[0].addnhosts > /dev/null 2>&1 \|\| uci add_list dhcp.@dnsmasq[0].addnhosts=/etc/block.hosts && uci commit

	#Leave crontab alone, or add to it
	grep -q "/etc/adblock.sh" /etc/crontabs/root \|\| echo "0 4 * * 0,3 sh /etc/adblock.sh" >> /etc/crontabs/root

	#!/bin/bash
	#
	# This script configures WordPress file permissions based on recommendations
	# from http://codex.wordpress.org/Hardening_WordPress#File_permissions
	#
	# Author: Michael Conigliaro <mike [at] conigliaro [dot] org>
	#

	WP_OWNER=nobody # <-- wordpress owner (if you use shared host, but if use VPS like me try your user and group instead)
	WP_GROUP=nogroup # <-- wordpress group.

	Installing Arch:


	sudo vim /etc/pacman.conf
	Update packages list: sudo pacman -Syy
	run sudo pacman -Syu before installing any software (to update the repositories first)

	* Timing issue:
	- Change hardware clock to use UTC time:
	sudo timedatectl set-local-rtc 0

	##################################
	# WORDPRESS NGINX CONFIGURATIONS
	##################################
	# /etc/nginx/wordpress.conf
	#
	# Contains a common configuration for use by nginx on a WordPress
	# installation. This file should be included in any WordPress site
	# nginx virtual host config located in sites-available with the following line:
	#
	# include /etc/nginx/wordpress.config;