set up an image of ubuntu 24.04 for me

ubuntu-24.04-image.sh

#!/bin/sh

### 
### Image script version -- v1.1
###

### HISTORY

# - v1.0 -- base install of Ubuntu with / as btrfs and no swap partition, no commands or scripts have been applied
# - v1.1 -- installed needed apps and updates; make GRUB boot screen only 3 seconds

###

# Update the operating system
apt update; DEBIAN_FRONTEND=noninteractive apt upgrade -y;

# Install common tools
apt install curl git wget net-tools screen jq locate nano -y;

# Install management tools
apt install ssh openssl qemu-guest-agent cryptsetup gparted htop nmon iotop -y;   ## iostat not installing

# Install network diagnostics tools
apt install iputils-ping traceroute dnsutils -y;

# Install Tailscale (but don't activate)
curl -fsSL https://tailscale.com/install.sh | sh;

# Ensure QEMU guest agent is started and enabled
systemctl start qemu-guest-agent;
systemctl enable qemu-guest-agent;

# Clean up no longer needed dependencies
apt autoremove -y;

# Make the GRUB boot screen only show up for 3 seconds
sed -i '/^GRUB_RECORDFAIL_TIMEOUT=/ s/.*/GRUB_RECORDFAIL_TIMEOUT=3/; t; $ a GRUB_RECORDFAIL_TIMEOUT=3' /etc/default/grub;
update-grub;

# End of the script
echo "The script is finished."