sábado, 6 de fevereiro de 2021

Debian server configurator



curl -s -L https://gist.githubusercontent.com/cmadera/6c2d0bab1560cd04a49e4adc53ff3dc1/raw/59686f48e573ec0c56a3c27afa479d5402002281/first-setup.sh | bash


or


rm first-setup.sh
cat > first-setup.sh << "EOF"
#!/bin/bash

echo "source: https://opensource.com/article/20/1/improve-bash-scripts"
if [ "$USER" != 'root' ]; then
     echo "Sorry, this script must be run as root and you are $USER"
     exit 1
fi

read -p "enter a user please:" USERNAME
echo $user
read -p "enter a password please:" PASSWORD
echo $password

##########################
echo "Setup UPGRADE"
apt update -y && apt upgrade -y
apt install sudo

##########################
echo "Create user"
read -p "Add new User? [Y/n]: " answuser
 if [ "$answuser" == 'y' ]; then
  useradd -m -p $(openssl passwd -1 ${PASSWORD}) -s /bin/bash -G sudo ${USERNAME}
  echo "${USERNAME} ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
 fi

##########################
echo "Setup SSH Config"
read -p "Apply ssh security? [Y/n]: " answsec
 if [ "$answsec" == 'y' ]; then
    ### SSH Config
    cp /etc/ssh/sshd_config /etc/ssh/sshd_config.bkp
    sed '/MaxAuthTries/d' /etc/ssh/sshd_config.bkp > /etc/ssh/sshd_config
    echo "MaxAuthTries 3" >> /etc/ssh/sshd_config
    grep "^MaxAuthTries" /etc/ssh/sshd_config

    cp /etc/ssh/sshd_config /etc/ssh/sshd_config.bkp
    sed '/PermitRootLogin/d' /etc/ssh/sshd_config.bkp > /etc/ssh/sshd_config
    echo "PermitRootLogin no" >> /etc/ssh/sshd_config
    grep "^PermitRootLogin" /etc/ssh/sshd_config

    /etc/init.d/ssh restart
 fi

##########################
echo "Install Basics"
apt install -y curl git net-tools build-essential tmux screen
apt install -y neofetch
apt install -y cockpit

##########################
echo "Setup .bash_aliases"
if [ "$answuser" == 'y' ]; then
    if [ -f /home/${USERNAME}/.bash_aliases ]; then
        rm /home/${USERNAME}/.bash_aliases
    fi

    echo "alias get='sudo apt-get install -y'" >> /home/${USERNAME}/.bash_aliases 
    echo "alias df='df -h'" >> /home/${USERNAME}/.bash_aliases 
    echo "alias ls='ls -la'" >> /home/${USERNAME}/.bash_aliases 
    echo "alias upgrade='sudo apt-get update -y && sudo apt-get full-upgrade -y && sudo apt-get autoremove -y'" >> /home/${USERNAME}/.bash_aliases 
    echo "alias cdwww='cd /var/www/html'" >> /home/${USERNAME}/.bash_aliases 
    echo "alias myip='curl ifconfig.me'" >> /home/${USERNAME}/.bash_aliases 
    echo "alias version='lsb_release -a'" >> /home/${USERNAME}/.bash_aliases 

    sudo chown ${USERNAME}:${USERNAME} /home/${USERNAME}/.bash_aliases
fi

EOF

bash first-setup.sh

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