脚本新增Linux用户

脚本新增Linux用户

代码块

#!/bin/bash
# Script to add a user to Linux system
# -------------------------------------------------------------------------
# Copyright (c) 2007 nixCraft project <http://bash.cyberciti.biz/>
# This script is licensed under GNU GPL version 2.0 or above
# Comment/suggestion: <vivek at nixCraft DOT com>
# -------------------------------------------------------------------------
# See url for more info:
# http://www.cyberciti.biz/tips/howto-write-shell-script-to-add-user.html
# -------------------------------------------------------------------------
if [ $(id -u) -eq 0 ]; then
    read -p "Enter username : " username
    read -s -p "Enter password : " password
    egrep "^$username" /etc/passwd >/dev/null
    if [ $? -eq 0 ]; then
        echo "$username exists!"
        exit 1
    else
        pass=$(perl -e 'print crypt($ARGV[0], "password")' $password)
        homedir="/home1/user/"$username  #用户文件夹
        mkdir $homedir
        cp .bashrc $homedir
        cp .profile $homedir
        useradd -d $homedir -m -p $pass $username
        chown -R jiangwenj02 $homedir
        [ $? -eq 0 ] && echo "User has been added to system!" || echo "Failed to add a user!"
    fi
else
    echo "Only root may add a user to the system"
    exit 2
fi

根据提示，依次输入用户sudo密码， 新增用户名， 新增用户名密码。
文件存放在拥有.bashrc 和.profile文件的目录下（拥有权限的根目录下一般都有这两个文件）