Debian environment packages

debian-environment.sh

#!/bin/sh
export DEBIAN_FRONTEND=noninteractive
apt-get update && apt-get -y dist-upgrade
apt-get -y purge rpcbind ntp exim4 exim4-base exim4-config exim4-daemon-light
apt-get -y install curl mosh htop sudo git make tmux net-tools wget nload ntpsec-ntpdate iptraf-ng mtr \
  iftop w3m vim locales tcpdump unzip bc hping3 vnstat bwm-ng bmon xz-utils python3-pip \
  dnsutils nethogs iperf3 acl tree ca-certificates gnupg jq
apt-get -y autoremove && apt-get -y autoclean
update-alternatives --set editor /usr/bin/vim.basic
timedatectl set-timezone Asia/Bangkok 2>/dev/null
ntpdate-debian && date
sed -i '/^LC_ALL=/d;/^LC_CTYPE=/d;/^LANG=/d' /etc/environment || true
rm -f /etc/locale.conf
sed -i "s/^[# ]*\(en_US.UTF-8 UTF-8\)/\1/" /etc/locale.gen
locale-gen
update-locale LANG=en_US.utf8 LC_ALL=en_US.utf8 LC_CTYPE=en_US.utf8
systemctl disable --now systemd-resolved
rm -f /etc/resolv.conf
cat <<EOF | tee /etc/resolv.conf
nameserver 1.1.1.1
nameserver 8.8.8.8
options timeout:2 attempts:3
EOF
chattr +i /etc/resolv.conf
curl -fsSL https://raw.githubusercontent.com/c18s/LinuxScripts/master/swapfile/create_swap.sh | sh
curl -fsSL https://raw.githubusercontent.com/c18s/LinuxScripts/master/swapfile/sysctl_swap.sh | sh
curl -fsSL https://raw.githubusercontent.com/c18s/LinuxScripts/master/sudo-privileges/sudo-privileges.sh | USER=${USERNAME:-system} sh
curl -fsSL https://raw.githubusercontent.com/c18s/LinuxScripts/master/securing-ssh/securing-ssh.sh | ROOT_LOGIN=${ROOT_LOGIN:-yes} PASSWORD_LOGIN=${PASSWORD_LOGIN:-yes} X11_FORWARDING=no sh
curl -fsSL https://raw.githubusercontent.com/c18s/LinuxScripts/master/bash-it/bash-it.sh | USER=root sh
curl -fsSL https://raw.githubusercontent.com/c18s/LinuxScripts/master/bash-it/bash-it.sh | USER=${USERNAME:-system} sh
cat /root/.ssh/authorized_keys 2>/dev/null > /etc/ssh/authorized_keys
mkdir -p /root/.config/htop && echo "color_scheme=6" > /root/.config/htop/htoprc
su -c "mkdir -p /home/${USERNAME:-system}/.config/htop && echo 'color_scheme=6' > /home/${USERNAME:-system}/.config/htop/htoprc" ${USERNAME:-system}
echo "set-window-option -g mode-keys vi" > /root/.tmux.conf
su -c "echo 'set-window-option -g mode-keys vi' > /home/${USERNAME:-system}/.tmux.conf" ${USERNAME:-system}
curl -fsSL get.docker.com | sh
usermod -aG docker ${USERNAME:-system}

Install options

Env variable USERNAME=system

• This script will creating user system
• User system can access root permission with sudo
• User system can access docker and docker compose

Default

apt-get update && apt-get install -y curl && curl -fsSL https://git.io/vpjP0 \
| USERNAME=system sh

Advanced

• Disable root login
• Disable password login
• SSH keys path /etc/ssh/authorized_keys

apt-get update && apt-get install -y curl && curl -fsSL https://git.io/vpjP0 \
 | USERNAME=system ROOT_LOGIN=no PASSWORD_LOGIN=no sh