Initial Debian config

A first-boot script for Debian servers: unlimited bash history, QEMU guest agent and IPv6 SLAAC disabled.

Updated 2026-11-12

Run this script to have infinite bash history, install qemu agent, and remove SLAAC for servers.

#!/bin/bash
echo "net.ipv6.conf.all.autoconf=0" >> /etc/sysctl.conf
sysctl --system
echo 'export HISTFILESIZE=' >> /etc/bashrc
echo 'export HISTSIZE=' >> /etc/bashrc
echo 'export HISTTIMEFORMAT="[%F %T] "' >> /etc/bashrc
echo 'alias ll="ls -lh"' >> /etc/bashrc
echo 'alias vi="vim.tiny"' >> /etc/bashrc
source /etc/bashrc
apt -y install qemu-guest-agent
apt -y update && upgrade
sleep 7
reboot