Almalinux LXC setup

Here is a simple review of what should be done in a newly created LXC using the image from Proxmox VE. 
If you're installing a VM using the official .iso image, some packages might already be installed by default (eg. openssh-server and wget ). 
 Step by step procedure 
 
 
 Install important packages 
 
 
 update and upgrade 
 sudo dnf update -y && dnf upgrade -y
 
 
 
 install basic packages ( git and net-tools might not be useful, depending on your usage) 
 sudo dnf install -y vim git tar wget bind-utils net-tools openssh-server
 
 
 
 Optional : Docker installation 
 
 Add Docker repository
 sudo dnf install -y dnf-plugins-core
sudo dnf config-manager --add-repo https://download.docker.com/linux/rhel/docker-ce.repo
 
 
 Install Docker
 sudo dnf install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
 
 
 Enable Docker
 sudo systemctl enable --now docker
 
 
 Test Docker installation
 docker run hello-world
 
 
 
 
 
 
 
 Create a user with sudo privileges (replace thorgan by the username of your choice) 
 sudo adduser thorgan
sudo usermod -aG wheel thorgan
sudo passwd thorgan
 
 
 If you installed Docker in step 1 , you can give permission to your newly created user to use it: 
 sudo usermod -aG docker thorgan
 
 Replace thorgan by the username you created before . 
 
 
 
 Open the port 22 in the firewall 
 sudo firewall-cmd --add-service=ssh --permanent
sudo firewall-cmd --reload
 
 
 
 Start and enable sshd to accept SSH connections 
 sudo service sshd start && systemctl enable sshd
 
 
 
 Script procedure 
 #!/bin/bash

sudo dnf update -y && dnf upgrade -y
sudo dnf install -y vim git tar wget bind-utils net-tools openssh-server

read -p "Enter username: " user
sudo adduser "$user"
sudo usermod -aG wheel "$user"
sudo passwd "$user"

sudo firewall-cmd --add-service=ssh --permanent
sudo firewall-cmd --reload

sudo service sshd start && systemctl enable sshd
 
 Script with docker installation 
 #!/bin/bash

# Update & Upgrade
sudo dnf update -y && dnf upgrade -y
# Install necessary packages
sudo dnf install -y dnf-plugins-core vim git tar wget bind-utils net-tools openssh-server

# Adding docker repository
sudo dnf config-manager --add-repo https://download.docker.com/linux/rhel/docker-ce.repo
# Install docker
sudo dnf install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
# Enable docker
sudo systemctl enable --now docker
# Test docker installation
docker run hello-world

# Create sudoer user
read -p "Enter username: " user
sudo adduser "$user"
sudo usermod -aG wheel "$user"
sudo usermod -aG docker "$user"
sudo passwd "$user"

# Open port 22 on the firewall
sudo firewall-cmd --add-service=ssh --permanent
sudo firewall-cmd --reload

# Enable & Start SSH
sudo service sshd start && systemctl enable sshd