Essential Post-Installation Steps for a Linux VM on Ubuntu 22.04 (Proxmox VE 8.4)

Once you've successfully installed Ubuntu 22.04 on a virtual machine within Proxmox VE 8.4, it's crucial to perform several post-installation steps to enhance security, stability, and performance. Below is a streamlined guide to get your system up to date and optimized

1. Update and Upgrade the System

Before proceeding with any installations, ensure your system is updated to receive the latest security patches and performance improvements:

sudo apt update && sudo apt dist-upgrade -y

2. Install Virtualization-Specific Tools

Depending on your virtualization platform, install the necessary guest utilities for improved performance and compatibility:

• For Proxmox Guests: Install the QEMU guest agent to enhance VM management and improve integration with Proxmox: sudo apt install qemu-guest-agent -y
• For VMware Guests: Install Open VM Tools for better integration with VMware environments: sudo apt install open-vm-tools -y

3. Clean Up Unnecessary Packages

To keep your system lean and efficient, remove unnecessary files and dependencies:

sudo apt autoclean && sudo apt autoremove -y