Rusydy Rusydy

Upgrading to Complete AlmaLinux Installation

sudo dnf update -y

A comprehensive guide to hardening Linux systems with practical implementations, use cases, and before/after comparisons.

This tutorial goes through how to install openssl 1.1.1 on CentOS 9

Upgrade the system

sudo dnf -y update

	# send SQL files from Mac to the VM
	# On Mac, set password environment variable
	export MYSQL_PWD=password123
	export MYSQL_USER=dev
	export MYSQL_DB=database
	export MYSQL_HOST=100.100.100.10
	export MYSQL_SSL_MODE=DISABLED

	# Run import without -p flag
	for file in *.sql; do

	# Install MySQL 5.7 Community Server on AlmaLinux 10

	## source: https://computingforgeeks.com/install-mysql-5-7-on-centos-rhel-linux/

	## Add MySQL Community Repository
	sudo vim /etc/yum.repos.d/mysql-community.repo

	## Disable MySQL 8.0 Community Repository
	sudo dnf config-manager --disable mysql80-community

	# Quick Setup with Copy-Paste

	## Set your username and public key
	USERNAME="yourusername"
	PUBLIC_KEY="ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIxxxxxx [email protected]"

	## Create user and setup
	useradd -m -G wheel $USERNAME
	passwd $USERNAME
	mkdir -p /home/$USERNAME/.ssh