郭玉超

shell脚本如下：

#/bin/sh
sudo sed -i 's/archive.ubuntu.com/mirrors.ustc.edu.cn/g' /etc/apt/sources.list
sudo sed -i 's/security.ubuntu.com/mirrors.ustc.edu.cn/g' /etc/apt/sources.list
sudo apt-get update

SSHD_FILE=/etc/ssh/sshd_config
SUDOERS_FILE=/etc/sudoers
sudo apt remove -y --purge openssh-server
sudo apt install -y openssh-server
echo "UsePrivilegeSeparation no"  | sudo tee -a $SSHD_FILE
echo "PasswordAuthentication yes" | sudo tee -a $SSHD_FILE
sudo service ssh --full-restart
sed -i '/^sudo service ssh --full-restart/ d' ~/.bashrc
echo "%sudo ALL=(ALL) NOPASSWD: /usr/sbin/service ssh --full-restart" | sudo tee -a $SUDOERS_FILE
cat << 'EOF' >> ~/.bashrc
sshd_status=$(service ssh status)
if [[ $sshd_status = *"is not running"* ]]; then
  sudo service ssh --full-restart
fi
EOF