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Translated: 20170317 Join CentOS 7 Desktop to Samba4 AD as a Domain Member – Part 9
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#rusking translating
Join CentOS 7 Desktop to Samba4 AD as a Domain Member – Part 9
============================================================
by [Matei Cezar][23] | Published: March 17, 2017 | Last Updated: March 17, 2017
 Download Your Free eBooks NOW - [10 Free Linux eBooks for Administrators][24] | [4 Free Shell Scripting eBooks][25]
This guide will describe how you can integrate CentOS 7 Desktop to Samba4 Active Directory Domain Controller with Authconfig-gtk in order to authenticate users across your network infrastructure from a single centralized account database held by Samba.
#### Requirements
1. [Create an Active Directory Infrastructure with Samba4 on Ubuntu][1]
2. [CentOS 7.3 Installation Guide][2]
### Step 1: Configure CentOS Network for Samba4 AD DC
1. Before starting to join CentOS 7 Desktop to a Samba4 domain you need to assure that the network is properly setup to query domain via DNS service.
Open Network Settings and turn off the Wired network interface if enabled. Hit on the lower Settings button as illustrated in the below screenshots and manually edit your network settings, especially the DNS IPs that points to your Samba4 AD DC.
When you finish, Apply the configurations and turn on your Network Wired Card.
[
![Network Settings](http://www.tecmint.com/wp-content/uploads/2017/03/Network-Settings.jpg)
][3]
Network Settings
[
![Configure Network](http://www.tecmint.com/wp-content/uploads/2017/03/Configure-Network.jpg)
][4]
Configure Network
2. Next, open your network interface configuration file and add a line at the end of file with the name of your domain. This line assures that the domain counterpart is automatically appended by DNS resolution (FQDN) when you use only a short name for a domain DNS record.
```
$ sudo vi /etc/sysconfig/network-scripts/ifcfg-eno16777736
```
Add the following line:
```
SEARCH="your_domain_name"
```
[
![Network Interface Configuration](http://www.tecmint.com/wp-content/uploads/2017/03/Network-Interface-Configuration.jpg)
][5]
Network Interface Configuration
3. Finally, restart the network services to reflect changes, verify if the resolver configuration file is correctly configured and issue a series of ping commands against your DCs short names and against your domain name in order to verify if DNS resolution is working.
```
$ sudo systemctl restart network
$ cat /etc/resolv.conf
$ ping -c1 adc1
$ ping -c1 adc2
$ ping tecmint.lan
```
[
![Verify Network Configuration](http://www.tecmint.com/wp-content/uploads/2017/03/Verify-Network-Configuration.jpg)
][6]
Verify Network Configuration
4. Also, configure your machine hostname and reboot the machine to properly apply the settings by issuing the following commands:
```
$ sudo hostnamectl set-hostname your_hostname
$ sudo init 6
```
Verify if hostname was correctly applied with the below commands:
```
$ cat /etc/hostname
$ hostname
```
5. The last setting will ensure that your system time is in sync with Samba4 AD DC by issuing the below commands:
```
$ sudo yum install ntpdate
$ sudo ntpdate -ud domain.tld
```
### Step 2: Install Required Software to Join Samba4 AD DC
6. In order to integrate CentOS 7 to an Active Directory domain install the following packages from command line:
```
$ sudo yum install samba samba samba-winbind krb5-workstation
```
7. Finally, install the graphical interface software used for domain integration provided by CentOS repos: Authconfig-gtk.
```
$ sudo yum install authconfig-gtk
```
### Step 3: Join CentOS 7 Desktop to Samba4 AD DC
8. The process of joining CentOS to a domain controller is very straightforward. From command line open Authconfig-gtk program with root privileges and make the following changes as described below:
```
$ sudo authconfig-gtk
```
On Identity & Authentication tab.
* User Account Database = select Winbind
* Winbind Domain = YOUR_DOMAIN
* Security Model = ADS
* Winbind ADS Realm = YOUR_DOMAIN.TLD
* Domain Controllers = domain machines FQDN
* Template Shell = /bin/bash
* Allow offline login = checked
[
![Authentication Configuration](http://www.tecmint.com/wp-content/uploads/2017/03/Authentication-Configuration.jpg)
][7]
Authentication Configuration
On Advanced Options tab.
* Local Authentication Options = check Enable fingerprint reader support
* Other Authentication Options = check Create home directories on the first login
[
![Authentication Advance Configuration](http://www.tecmint.com/wp-content/uploads/2017/03/Authentication-Advance-Configuration.jpg)
][8]
Authentication Advance Configuration
9. After you’ve added all required values, return to Identity & Authentication tab and hit on Join Domain button and the Save button from alert window to save settings.
[
![Identity and Authentication](http://www.tecmint.com/wp-content/uploads/2017/03/Identity-and-Authentication.jpg)
][9]
Identity and Authentication
[
![Save Authentication Configuration](http://www.tecmint.com/wp-content/uploads/2017/03/Save-Authentication-Configuration.jpg)
][10]
Save Authentication Configuration
10. After the configuration has been saved you will be asked to provide a domain administrator account in order to join the domain. Supply the credentials for a domain administrator user and hit OK button to finally join the domain.
[
![Joining Winbind Domain](http://www.tecmint.com/wp-content/uploads/2017/03/Joining-Winbind-Domain.jpg)
][11]
Joining Winbind Domain
11. After your machine has been integrated into the realm, hit on Apply button to reflect changes, close all windows and reboot the machine.
[
![Apply Authentication Configuration](http://www.tecmint.com/wp-content/uploads/2017/03/Apply-Authentication-Configuration.jpg)
][12]
Apply Authentication Configuration
12. In order to verify if the system has been joined to Samba4 AD DC open AD Users and Computers from a Windows machine with [RSAT tools installed][13] and navigate to your domain Computers container.
The name of your CentOS machine should be listed on the right plane.
[
![Active Directory Users and Computers](http://www.tecmint.com/wp-content/uploads/2017/03/Active-Directory-Users-and-Computers.jpg)
][14]
Active Directory Users and Computers
### Step 4: Login to CentOS Desktop with a Samba4 AD DC Account
13. In order to login to CentOS Desktop hit on Not listed? link and add the username of a domain account preceded by the domain counterpart as illustrated below.
```
Domain\domain_account
or
Domain_user@domain.tld
```
[
![Not listed Users](http://www.tecmint.com/wp-content/uploads/2017/03/Not-listed-Users.jpg)
][15]
Not listed Users
[
![Enter Domain Username](http://www.tecmint.com/wp-content/uploads/2017/03/Enter-Domain-Username.jpg)
][16]
Enter Domain Username
14. To authenticate with a domain account from command line in CentOS use one of the following syntaxes:
```
$ su - domain\domain_user
$ su - domain_user@domain.tld
```
[
![Authenticate Domain Username](http://www.tecmint.com/wp-content/uploads/2017/03/Authenticate-Domain-User.jpg)
][17]
Authenticate Domain Username
[
![Authenticate Domain User Email](http://www.tecmint.com/wp-content/uploads/2017/03/Authenticate-Domain-User-Email.jpg)
][18]
Authenticate Domain User Email
15. To add root privileges for a domain user or group, edit sudoers file using visudo command with root powers and add the following lines as illustrated on the below excerpt:
```
YOUR_DOMAIN\\domain_username ALL=(ALL:ALL) ALL #For domain users
%YOUR_DOMAIN\\your_domain\ group ALL=(ALL:ALL) ALL #For domain groups
```
[
![Assign Permission to User and Group](http://www.tecmint.com/wp-content/uploads/2017/03/Assign-Permission-to-User-and-Group.jpg)
][19]
Assign Permission to User and Group
16. To display a summary about the domain controller use the following command:
```
$ sudo net ads info
```
[
![Check Domain Controller Info](http://www.tecmint.com/wp-content/uploads/2017/03/Check-Domain-Controller-Info.jpg)
][20]
Check Domain Controller Info
17. In order to verify if the trust machine account created when CentOS was added to the Samba4 AD DC is functional and list domain accounts from command line install Winbind client by issuing the below command:
```
$ sudo yum install samba-winbind-clients
```
Then issue a series of checks against Samba4 AD DC by executing the following commands:
```
$ wbinfo -p #Ping domain
$ wbinfo -t #Check trust relationship
$ wbinfo -u #List domain users
$ wbinfo -g #List domain groups
$ wbinfo -n domain_account #Get the SID of a domain account
```
[
![Get Samba4 AD DC Details](http://www.tecmint.com/wp-content/uploads/2017/03/Get-Samba4-AD-DC-Details.jpg)
][21]
Get Samba4 AD DC Details
18. In case you want to leave the domain issue the following command against your domain name by using an domain account with administrator privileges:
```
$ sudo net ads leave your_domain -U domain_admin_username
```
[
![Leave Domain from Samba4 AD](http://www.tecmint.com/wp-content/uploads/2017/03/Leave-Domain-from-Samba4-AD.jpg)
][22]
Leave Domain from Samba4 AD
That’s all! Although this procedure is focused on joining CentOS 7 to a Samba4 AD DC, the same steps described in this documentation are also valid for integrating a CentOS 7 Desktop machine to a Microsoft Windows Server 2008 or 2012 domain.
--------------------------------------------------------------------------------
作者简介：
I'am a computer addicted guy, a fan of open source and linux based system software, have about 4 years experience with Linux distributions desktop, servers and bash scripting.
--------------------------------------------------------------------------------
via: http://www.tecmint.com/join-centos-7-to-samba4-active-directory/
作者：[Matei Cezar][a]
译者：[译者ID](https://github.com/译者ID)
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
[a]:http://www.tecmint.com/author/cezarmatei/
[1]:http://www.tecmint.com/install-samba4-active-directory-ubuntu/
[2]:http://www.tecmint.com/centos-7-3-installation-guide/
[3]:http://www.tecmint.com/wp-content/uploads/2017/03/Network-Settings.jpg
[4]:http://www.tecmint.com/wp-content/uploads/2017/03/Configure-Network.jpg
[5]:http://www.tecmint.com/wp-content/uploads/2017/03/Network-Interface-Configuration.jpg
[6]:http://www.tecmint.com/wp-content/uploads/2017/03/Verify-Network-Configuration.jpg
[7]:http://www.tecmint.com/wp-content/uploads/2017/03/Authentication-Configuration.jpg
[8]:http://www.tecmint.com/wp-content/uploads/2017/03/Authentication-Advance-Configuration.jpg
[9]:http://www.tecmint.com/wp-content/uploads/2017/03/Identity-and-Authentication.jpg
[10]:http://www.tecmint.com/wp-content/uploads/2017/03/Save-Authentication-Configuration.jpg
[11]:http://www.tecmint.com/wp-content/uploads/2017/03/Joining-Winbind-Domain.jpg
[12]:http://www.tecmint.com/wp-content/uploads/2017/03/Apply-Authentication-Configuration.jpg
[13]:http://www.tecmint.com/manage-samba4-ad-from-windows-via-rsat/
[14]:http://www.tecmint.com/wp-content/uploads/2017/03/Active-Directory-Users-and-Computers.jpg
[15]:http://www.tecmint.com/wp-content/uploads/2017/03/Not-listed-Users.jpg
[16]:http://www.tecmint.com/wp-content/uploads/2017/03/Enter-Domain-Username.jpg
[17]:http://www.tecmint.com/wp-content/uploads/2017/03/Authenticate-Domain-User.jpg
[18]:http://www.tecmint.com/wp-content/uploads/2017/03/Authenticate-Domain-User-Email.jpg
[19]:http://www.tecmint.com/wp-content/uploads/2017/03/Assign-Permission-to-User-and-Group.jpg
[20]:http://www.tecmint.com/wp-content/uploads/2017/03/Check-Domain-Controller-Info.jpg
[21]:http://www.tecmint.com/wp-content/uploads/2017/03/Get-Samba4-AD-DC-Details.jpg
[22]:http://www.tecmint.com/wp-content/uploads/2017/03/Leave-Domain-from-Samba4-AD.jpg
[23]:http://www.tecmint.com/author/cezarmatei/
[24]:http://www.tecmint.com/10-useful-free-linux-ebooks-for-newbies-and-administrators/
[25]:http://www.tecmint.com/free-linux-shell-scripting-books/

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Join CentOS 7 Desktop to Samba4 AD as a Domain Member – Part 9
============================================================
将 CentOS 7 桌面系统加入到 Samba4 AD 域环境中——（九）
这篇文章讲述了如何使用 Authconfig-gtk 工具将 CentOS 7 桌面系统加入到 Samba4 AD 域环境中，并使用域帐号登录到 CentOS 系统。
#### 要求
1、[在 Ubuntu 系统中使用 Samba4 创建活动目录架构][1]
2、[CentOS 7.3 安装指南]][2]
### 第一步：在 CentOS 系统中配置 Samba4 AD DC Step 1: Configure CentOS Network for Samba4 AD DC
1、在将 CentOS 7 加入到 Samba4 域环境之前，你得先配置 CentOS 系统的网络环境，确保在 CentOS 系统中通过 DNS 可以解析到域名。
打开网络设置，关闭有线网卡。打开下方的设置按钮，手动编辑网络设置，指定 DNS 的 IP 地址为 Samba4 AD DC 服务器的 IP 地址。
设置完成之后，应用配置，并打开有线网卡。
[
![Network Settings](http://www.tecmint.com/wp-content/uploads/2017/03/Network-Settings.jpg)
][3]
网络设置
[
![Configure Network](http://www.tecmint.com/wp-content/uploads/2017/03/Configure-Network.jpg)
][4]
配置网络
2、下一步，打开网络配置文件，在文件末尾添加一行域名信息。这样能确保当你仅使用主机名来查询域中的 DNS 记录时， DNS 解析器会自动把域名添加进来。
```
$ sudo vi /etc/sysconfig/network-scripts/ifcfg-eno16777736
```
添加下面一行：
```
SEARCH="your_domain_name"
```
[
![Network Interface Configuration](http://www.tecmint.com/wp-content/uploads/2017/03/Network-Interface-Configuration.jpg)
][5]
网卡配置
3、最后，重启网卡服务以应用更改，并验证解析器的配置文件是否正确配置。我们通过使用 ping 命令加上 DC 服务器的主机名或域名以验证 DNS 解析能否正常运行。
```
$ sudo systemctl restart network
$ cat /etc/resolv.conf
$ ping -c1 adc1
$ ping -c1 adc2
$ ping tecmint.lan
```
[
![Verify Network Configuration](http://www.tecmint.com/wp-content/uploads/2017/03/Verify-Network-Configuration.jpg)
][6]
验证网络配置是否正常
4、同时，使用下面的命令来配置你的主机名，然后重启计算机以应用更改：
```
$ sudo hostnamectl set-hostname your_hostname
$ sudo init 6
```
使用下面的命令来验证主机名是否正确配置
```
$ cat /etc/hostname
$ hostname
```
5、最后一步配置是使用下面的命令来保证系统时间跟 Samba4 AD DC 服务器的时间同步：
```
$ sudo yum install ntpdate
$ sudo ntpdate -ud domain.tld
```
### 第二步：安装要加入 Samba4 AD DC 所必需的软件包
6、为了将 CentOS 7 加入到活动目录域中，你需要使用下面的命令来安装相关的软件包：
```
$ sudo yum install samba samba samba-winbind krb5-workstation
```
7、最后，安装 CentOS 软件库中提供的图形化界面软件包： Authconfig-gtk 。该软件用于将 CentOS 系统集成到域环境中。
```
$ sudo yum install authconfig-gtk
```
### 第三步：将 CentOS 7 桌面系统集成到 Samba4 AD DC 域环境中
8、将 CentOS 加入到域的过程非常简单。使用有 root 权限的帐号在命令行下打开 Authconfig-gtk 程序，然后按下图所示修改相关配置即可：
```
$ sudo authconfig-gtk
```
打开身份或认证配置页面：
* 用户帐号数据库 = 选择 Winbind
* Winbind 域 = 你的域名
* 安全模式 = ADS
* Winbind ADS 域 = 你的域名.TLD
* 域控制器 = 域控服务器的全域名
* 默认Shell = /bin/bash
* 勾选允许离线登录
[
![Authentication Configuration](http://www.tecmint.com/wp-content/uploads/2017/03/Authentication-Configuration.jpg)
][7]
域认证配置
打开高级选项配置页面：
* 本地认证选项 = 支持指纹识别
* 其它认证选项 = 用户首次登录创建家目录
[
![Authentication Advance Configuration](http://www.tecmint.com/wp-content/uploads/2017/03/Authentication-Advance-Configuration.jpg)
][8]
高级认证配置
9、修改完上面的配置之后，返回到身份或认证配置页面，点击加入域按钮，在弹出的提示框点保存即可。
[
![Identity and Authentication](http://www.tecmint.com/wp-content/uploads/2017/03/Identity-and-Authentication.jpg)
][9]
身份和认证
[
![Save Authentication Configuration](http://www.tecmint.com/wp-content/uploads/2017/03/Save-Authentication-Configuration.jpg)
][10]
保存认证配置
10、保存配置之后，系统将会提示你提供域管理员信息以将 CentOS 系统加入到域中。输入域管理员帐号及密码后点击 OK 按钮，加入域完成。
[
![Joining Winbind Domain](http://www.tecmint.com/wp-content/uploads/2017/03/Joining-Winbind-Domain.jpg)
][11]
加入 Winbind 域环境
11、另入域后，点击应用按钮以让配置生效，选择所有的 windows 并重启机器。
[
![Apply Authentication Configuration](http://www.tecmint.com/wp-content/uploads/2017/03/Apply-Authentication-Configuration.jpg)
][12]
应用认证配置
12、要验证 CentOS 是否已成功加入到 Samba4 AD DC 中，你可以在安装了 [RSAT 工具][13] 的 windows 机器上，打开 AD 用户和计算机工具，点击域中的计算机。
你将会在右侧看到 CentOS 主机信息。
[
![Active Directory Users and Computers](http://www.tecmint.com/wp-content/uploads/2017/03/Active-Directory-Users-and-Computers.jpg)
][14]
活动目录用户和计算机
### 第四步：使用 Samba4 AD DC 帐号登录 CentOS 桌面系统
13、选择使用其它账户，然后输入域帐号和密码进行登录，如下图所示：
```
Domain\domain_account
or
Domain_user@domain.tld
```
[
![Not listed Users](http://www.tecmint.com/wp-content/uploads/2017/03/Not-listed-Users.jpg)
][15]
使用其它账户
[
![Enter Domain Username](http://www.tecmint.com/wp-content/uploads/2017/03/Enter-Domain-Username.jpg)
][16]
输入域用户名
14、在 CentOS 系统的命令行中，你也可以使用下面的任一方式来切换到域帐号进行登录：
```
$ su - domain\domain_user
$ su - domain_user@domain.tld
```
[
![Authenticate Domain Username](http://www.tecmint.com/wp-content/uploads/2017/03/Authenticate-Domain-User.jpg)
][17]
使用域帐号登录
[
![Authenticate Domain User Email](http://www.tecmint.com/wp-content/uploads/2017/03/Authenticate-Domain-User-Email.jpg)
][18]
使用域帐号邮箱登录
15、要为域用户或组添加 root 权限，在命令行下使用 root 权限帐号打开 sudoers 配置文件，添加下面一行内容：
```
YOUR_DOMAIN\\domain_username ALL=(ALL:ALL) ALL #For domain users
%YOUR_DOMAIN\\your_domain\ group ALL=(ALL:ALL) ALL #For domain groups
```
[
![Assign Permission to User and Group](http://www.tecmint.com/wp-content/uploads/2017/03/Assign-Permission-to-User-and-Group.jpg)
][19]
指定用户和用户组权限
16、使用下面的命令来查看域控制器信息：
```
$ sudo net ads info
```
[
![Check Domain Controller Info](http://www.tecmint.com/wp-content/uploads/2017/03/Check-Domain-Controller-Info.jpg)
][20]
查看域控制器信息
17、你可以在安装了 Winbind 客户端的机器上使用下面的命令来验证 CentOS 加入到 Samba4 AD DC 后的信任关系是否正常：
```
$ sudo yum install samba-winbind-clients
```
然后，执行下面的一些命令来查看 Samba4 AD DC 的相关信息：
```
$ wbinfo -p #Ping 域名
$ wbinfo -t #检查信任关系
$ wbinfo -u #列出域用户帐号
$ wbinfo -g #列出域用户组
$ wbinfo -n domain_account #查看域帐号的 SID 信息
```
[
![Get Samba4 AD DC Details](http://www.tecmint.com/wp-content/uploads/2017/03/Get-Samba4-AD-DC-Details.jpg)
][21]
查看 Samba4 AD DC 信息
18、如果你想让 CentOS 系统退出域环境，使用具有管理员权限的帐号执行下面的命令，后面加上域名及域管理员帐号，如下图所示：
```
$ sudo net ads leave your_domain -U domain_admin_username
```
[
![Leave Domain from Samba4 AD](http://www.tecmint.com/wp-content/uploads/2017/03/Leave-Domain-from-Samba4-AD.jpg)
][22]
退出 Samba4 AD 域
这篇文章就写到这里吧！尽管上面的这些操作步骤是将 CentOS 7 系统加入到 Samba4 AD DC 域中，其实这些步骤也同样适用于将 CentOS 7 桌面系统加入到 Microsoft Windows Server 2008 或 2012 的域中。
--------------------------------------------------------------------------------
作者简介：
我是一个电脑迷，开源 Linux 系统和软件爱好者，有 4 年多的 Linux 桌面、服务器系统使用和 Base 编程经验。
--------------------------------------------------------------------------------
via: http://www.tecmint.com/join-centos-7-to-samba4-active-directory/
作者：[Matei Cezar][a]
译者：[rusking](https://github.com/rusking)
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
[a]:http://www.tecmint.com/author/cezarmatei/
[1]:http://www.tecmint.com/install-samba4-active-directory-ubuntu/
[2]:http://www.tecmint.com/centos-7-3-installation-guide/
[3]:http://www.tecmint.com/wp-content/uploads/2017/03/Network-Settings.jpg
[4]:http://www.tecmint.com/wp-content/uploads/2017/03/Configure-Network.jpg
[5]:http://www.tecmint.com/wp-content/uploads/2017/03/Network-Interface-Configuration.jpg
[6]:http://www.tecmint.com/wp-content/uploads/2017/03/Verify-Network-Configuration.jpg
[7]:http://www.tecmint.com/wp-content/uploads/2017/03/Authentication-Configuration.jpg
[8]:http://www.tecmint.com/wp-content/uploads/2017/03/Authentication-Advance-Configuration.jpg
[9]:http://www.tecmint.com/wp-content/uploads/2017/03/Identity-and-Authentication.jpg
[10]:http://www.tecmint.com/wp-content/uploads/2017/03/Save-Authentication-Configuration.jpg
[11]:http://www.tecmint.com/wp-content/uploads/2017/03/Joining-Winbind-Domain.jpg
[12]:http://www.tecmint.com/wp-content/uploads/2017/03/Apply-Authentication-Configuration.jpg
[13]:http://www.tecmint.com/manage-samba4-ad-from-windows-via-rsat/
[14]:http://www.tecmint.com/wp-content/uploads/2017/03/Active-Directory-Users-and-Computers.jpg
[15]:http://www.tecmint.com/wp-content/uploads/2017/03/Not-listed-Users.jpg
[16]:http://www.tecmint.com/wp-content/uploads/2017/03/Enter-Domain-Username.jpg
[17]:http://www.tecmint.com/wp-content/uploads/2017/03/Authenticate-Domain-User.jpg
[18]:http://www.tecmint.com/wp-content/uploads/2017/03/Authenticate-Domain-User-Email.jpg
[19]:http://www.tecmint.com/wp-content/uploads/2017/03/Assign-Permission-to-User-and-Group.jpg
[20]:http://www.tecmint.com/wp-content/uploads/2017/03/Check-Domain-Controller-Info.jpg
[21]:http://www.tecmint.com/wp-content/uploads/2017/03/Get-Samba4-AD-DC-Details.jpg
[22]:http://www.tecmint.com/wp-content/uploads/2017/03/Leave-Domain-from-Samba4-AD.jpg
[23]:http://www.tecmint.com/author/cezarmatei/
[24]:http://www.tecmint.com/10-useful-free-linux-ebooks-for-newbies-and-administrators/
[25]:http://www.tecmint.com/free-linux-shell-scripting-books/