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Update 'debian-setup.sh'

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Newnius 2022-05-14 13:33:08 +00:00
parent 1e8984cc96
commit ef0e45d334
1 changed files with 19 additions and 9 deletions
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28
debian-setup.sh
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@ -3,19 +3,31 @@
### configuration ### ### configuration ###
admin_user="newnius" admin_user="newnius"
##################### #####################
# check environment # check permission
if [ "$EUID" -ne 0 ]; then if [ "$EUID" -ne 0 ]; then
echo "[ERROR] Please run as root" echo "[ERROR] Please run with user root"
exit 1 exit 1
fi fi
if ! hash apt 2>/dev/null; then # check OS
echo "[ERROR] Only debian is supported" file=/etc/apt/sources.list
if ! test -f "${file}"; then
echo "[ERROR] Only Debian is supported"
exit 1 exit 1
fi fi
if ! grep -q debian "${file}"; then
echo "[ERROR] Only Debian is supported"
exit 1
fi
# check do once
file=/etc/passwd
if grep -q ${admin_user} "${file}"; then
echo "[ERROR] OS is already setup"
exit 0
fi
# install security updates # install security updates
@ -24,9 +36,10 @@ apt update
#uncomment as it may prompt update grub window #uncomment as it may prompt update grub window
#apt upgrade -y #apt upgrade -y
# install necessary tools # install necessary tools
echo "[INFO] Installing necessary tools" echo "[INFO] Installing necessary tools"
apt install -y curl vim git sudo ca-certificates apt-transport-https haveged apt install -y curl vim git sudo ca-certificates apt-transport-https haveged tree
# install ssh service # install ssh service
if ! hash sshd 2>/dev/null; then if ! hash sshd 2>/dev/null; then
@ -37,16 +50,13 @@ fi
# Add admin user # Add admin user
echo "[INFO] Creating admin user" echo "[INFO] Creating admin user"
ssh_pass=$(head /dev/urandom | tr -dc A-Za-z0-9 | head -c 32) ssh_pass=$(head /dev/urandom | tr -dc A-Za-z0-9 | head -c 32)
useradd $admin_user -m -s /bin/bash useradd $admin_user -m -s /bin/bash
echo $admin_user:$ssh_pass | chpasswd echo $admin_user:$ssh_pass | chpasswd
# Add to sudoers # Add to sudoers
sed -i "/$admin_user/d" /etc/sudoers sed -i "/$admin_user/d" /etc/sudoers
sed -i "/User privilege specification/a $admin_user\tALL=(ALL:ALL) ALL" /etc/sudoers sed -i "/User privilege specification/a $admin_user\tALL=(ALL:ALL) ALL" /etc/sudoers
# update root password to random and forget it # update root password to random and forget it
echo "[INFO] Updating root password to random" echo "[INFO] Updating root password to random"
pass=$(head /dev/urandom | tr -dc A-Za-z0-9 | head -c 32) pass=$(head /dev/urandom | tr -dc A-Za-z0-9 | head -c 32)