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Maak lijst met kandidaten in Excel, met alle studenten nummers en verzin wachtwoorden.

Maak een  text input file met userid's en passwords (gescheiden door spatie).

Scipts ran on Ubuntu Server VPS

SFTP restriction in /etc/ssh/sshd_config (aan eind toevoegen)

Match Group sftp
ForceCommand internal-sftp
ChrootDirectory %h
AllowTCPForwarding no
PermitTunnel no
X11Forwarding no

Readme

input file consists out of line with
<userid> <password>

add users
run addUser.sh <file>
run creatDBUsers.sql file; sudo mysql < createDB Users.sql

remove
run removeUser.sf <file>
go to php myadmin and delete dabases and users

Script add users

#!/bin/bash
# Script to add a user to Linux system
# Params <user> <passw> or <file>

DB_FILE=createDBUsers.sql

addThisUser() {
if [ $(id -u) -eq 0 ]; then

  echo "" >> $DB_FILE

  if [ "$1" == "" ]; then
    read -p "Enter username : " username
  else
    username=$1
  fi
  if [ "$2" == "" ]; then
    read -s -p "Enter password : " password
  else
    password=$2
  fi

  egrep "^$username" /etc/passwd >/dev/null
  if [ $? -eq 0 ]; then
    echo "$username exists!"
    exit 1
  else
    U_HOME=/var/www/softwaredeveloper/$username
    U_GROUP=sftp
    U_SHELL=/bin/bash

    pass=$(perl -e 'print crypt($ARGV[0], "password")' $password)

    useradd -d $U_HOME -g $U_GROUP -m -s $U_SHELL -p $pass $username
    [ $? -eq 0 ] && echo "User $username has been added to system!" || echo "Failed to add a user!"

    chown $username $U_HOME
    echo "<?php echo \"welkom $username\"; ?>" > $U_HOME/index.php
    chown $username $U_HOME/index.php

    echo "" >> $DB_FILE
    echo  "CREATE USER \`$username\`@\`%\` IDENTIFIED BY '$password';" >> $DB_FILE
    echo  "ALTER USER  \`$username\`@\`%\` REQUIRE NONE;" >> $DB_FILE
    echo  "CREATE DATABASE IF NOT EXISTS \`$username\`;" >> $DB_FILE
    echo  "GRANT ALL PRIVILEGES ON \`$username\`.* TO \`$username\`@\`%\`;" >> $DB_FILE

  fi
else
  echo "Only root may add a user to the system"
  exit 2
fi
}

# is parameter is file then read input from file <user> Mpassword>
# else read two command line params
if test -f "$1"; then
  while IFS= read -r line
  do
    addThisUser $line
  done < $1
else
  addThisUser $1 $2
fi

script del users

#!/bin/bash
# remove user, params <user> or <file>

removeThisUser() {
if [ $(id -u) -ne 0 ]; then
  echo "Only root may add a user to the system"
  exit 2
fi

if [ "$1" == "" ]; then
  read -p "Enter username : " username
else
  username=$1
fi

if [ $? -eq 0 ]; then
  userdel -r $username
  getent group $username || groupadd $username


  U_HOME=/var/www/softwaredeveloper/$username

  echo "Remove $U_HOME"

fi
}


# is parameter is file then read input from file <user>
# else read  command line params
if test -f "$1"; then
    while IFS= read -r line
  do
    removeThisUser $line
  done < $1
else
  removeThisUser $1 $2
fi

 

 

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