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translating---geekpi
Installation of CentOS 7.3 Guide
============================================================
The latest version of CentOS 7, a Linux platform based on sources of Red Hat Enterprise Linux, has been released in November this year with many bug fixes, new packages upgrades, such as Samba, Squid, libreoffice, SELinux, systemd and others and support for the 7th generation of Intel Core i3, i5, i7 processors.
This guide will show you how to install CentOS 7.3 using the DVD ISO image on a UEFI based machine.
If you’re looking for RHEL, go through our [RHEL 7.3 Installation Guide][2].
#### Requirements
1. [Download CentOS 7.3 ISO Image][1]
In order to properly perform the installation of CentOS 7.3 on a UEFI based machine, first enter your motherboard UEFI settings by pressing a special key (`F2`, `F11`, `F12` depending on motherboard specifications) and assure that QuickBoot/FastBoot and Secure Boot options are disabled.
### CentOS 7.3 Installation
1. After you’ve downloaded the image from the above link, burn it to a DVD or create a bootable UEFI compatible USB drive using [Rufus][3] utility.
Place the USB/DVD in the appropriate motherboard drive, reboot your machine and instruct the BIOS/UEFI to boot-up from the DVD/USB by pressing a special function key (usually `F12`, `F10` depending on the vendor specifications).
Once the ISO image boots-up, the first screen will appear on your machine output. From the menu select Install CentOS 7 and hit Enter to continue.
[
![CentOS 7.3 Boot Menu](http://www.tecmint.com/wp-content/uploads/2016/12/CentOS-7.3-Boot-Menu.png)
][4]
CentOS 7.3 Boot Menu
2. After the install ISO image has been loaded into your machine RAM, the welcome screen will appear. Choose the language you want to perform the installation process and press hit on Continue button.
[
![Select CentOS 7.3 Installation Language](http://www.tecmint.com/wp-content/uploads/2016/12/Select-CentOS-7.3-Installation-Language.png)
][5]
Select CentOS 7.3 Installation Language
3. On the next screen hit on Date and Time and choose your geographical location from the map. Make sure the date and time are correctly configured and hit on Done button to go back to the main installer screen.
[
![CentOS 7.3 Installation Summary ](http://www.tecmint.com/wp-content/uploads/2016/12/CentOS-7.3-Installation-Summary.png)
][6]
CentOS 7.3 Installation Summary
[
![Select Date and Time](http://www.tecmint.com/wp-content/uploads/2016/12/Select-Date-and-Time.png)
][7]
Select Date and Time
4. On the next step setup the keyboard layout by hitting on Keyboard menu. Choose or add a keyboard layout and hit on Done to continue.
[
![Select Keyboard Layout](http://www.tecmint.com/wp-content/uploads/2016/12/Select-Keyboard-Layout.png)
][8]
Select Keyboard Layout
5. Next, add or configure the language support for your system and hit Done to move to the new step.
[
![Select Language Support](http://www.tecmint.com/wp-content/uploads/2016/12/Select-Language-Support.png)
][9]
Select Language Support
6. In this step you can setup your system Security Policy by choosing a security profile from the list.
Set the desired security profile by hitting on Select profile button and Apply security policy button to ON. When you finish click on Done button to continue with the installation process.
[
![Enable CentOS 7.3 Security Policy](http://www.tecmint.com/wp-content/uploads/2016/12/Enable-CentOS-7-Security-Policy.png)
][10]
Enable CentOS 7.3 Security Policy
7. On the next step you can configure your base machine environment by hitting on Software Selection button.
From the left list you can opt to install a desktop environment (Gnome, KDE Plasma or Creative Workstation) or choose a server custom installation type (Web server, Compute Node, Virtualization host, Infrastructure server, Server with a graphical interface or File and Print Server) or perform a minimal installation.
In order to subsequently customize your system, select Minimal Install with Compatibility Libraries add-ons and hit on Done button to continue.
[
![CentOS 7.3 Software Selection](http://www.tecmint.com/wp-content/uploads/2016/12/CentOs-7.3-Software-Selection.png)
][11]
CentOS 7.3 Software Selection
For a full Gnome or KDE Desktop environment use the below screenshots as a guide.
[
![Gnome Desktop Software Selection](http://www.tecmint.com/wp-content/uploads/2016/12/Gnome-Desktop-Software-Selection.png)
][12]
Gnome Desktop Software Selection
[
![KDE Desktop Software Selection](http://www.tecmint.com/wp-content/uploads/2016/12/KDE-Desktop-Software-Selection.png)
][13]
KDE Desktop Software Selection
8. Assuming that you want to install a Graphical User Interface for your server, choose Server with GUI item from the left plane and check the proper Add-ons from the right plane depending on what kind of services the server will provide to your network clients.
The range of services you can choose from is diversified, from Backup, DNS or e-mail services to File and Storage services, FTP, HA or [Monitoring tools][14]. Choose only the services that are crucial for your network infrastructure.
[
![Select Server with GUI](http://www.tecmint.com/wp-content/uploads/2016/12/Select-Server-with-Gui.png)
][15]
Select Server with GUI
9. Leave the Installation Source as default in case you’re not using other specific network locations such as HTTP, HTTPS, FTP or NFS protocols as additional repositories and hit on Installation Destination in order to create hard disk partitions.
On the Device selection screen make sure your local machine hard disk is checked. Also, on Other Storage Options assure that Automatically configure partitioning is selected.
This option ensures that your hard disk will be properly partitioned according to your disk size and Linux file system hierarchy. It will automatically create /(root), /home and swap partitions on your behalf. Hit on Done to apply the hard drive partition scheme and go back to the main installer screen.
Important: If you want to create custom layout with custom partition sizes, you can select “I will configure partitioning” option to create custom partitions.
[
![Select CentOS 7.3 Installation Destination](http://www.tecmint.com/wp-content/uploads/2016/12/Select-CentOS-7.3-Installation-Destination.png)
][16]
Select CentOS 7.3 Installation Destination
10. Next, hit on KDUMP option and disable it if you want to free RAM in your system. Hit Done to apply changes and go back to main installation screen.
[
![Kdump Selection](http://www.tecmint.com/wp-content/uploads/2016/12/Kdump-Selection.png)
][17]
Kdump Selection
11. In the next step set-up your machine hostname and enable network service. Hit on Network & Hostname, type your system Fully Qualified Domain Name on Host name and activate the network interface by switching the Ethernet button from OFF to ON in case you have a DHCP server in your LAN.
[
![Set Network and Hostname](http://www.tecmint.com/wp-content/uploads/2016/12/Set-Network-Hostname.png)
][18]
Set Network and Hostname
12. In order to statically configure your network interface hit on Configure button, manually add your IP settings as illustrated in the below screenshot and hit on Save button to apply changes. When you finish, hit on Donebutton to return to main installer menu.
[
![Configure Network and IP Address](http://www.tecmint.com/wp-content/uploads/2016/12/Configure-Network-and-IP-Address.png)
][19]
Configure Network and IP Address
13. Finally, review all configurations so far and if everything seems in place, hit on Begin Installation button to start the installation process.
[
![Begin CentOS 7.3 Installation Guide](http://www.tecmint.com/wp-content/uploads/2016/12/Begin-CentOS-7.3-Installation.png)
][20]
Begin CentOS 7.3 Installation Guide
14. After the installation process starts, a new configuration screen for setting-up users will appear. First, hit on ROOT PASSWORD and add a strong password for root account.
The root account is the highest administrative account in every Linux system and has full privileges. After you finish hit on Done button to return to user settings screen.
[
![Select Root Password](http://www.tecmint.com/wp-content/uploads/2016/12/Select-Root-Password.png)
][21]
Select Root Password
[
![Set Root Password](http://www.tecmint.com/wp-content/uploads/2016/12/Set-Root-Password.png)
][22]
Set Root Password
15. Running the system from root account is extremely unsecure and dangerous so it’s advisable to create a new system account in order to [perform day-to-day system tasks][23] by hitting on User Creation button.
Add your new user credentials and check both options in order to grant this user with root privileges and manually enter the password each time you log in to the system.
When you finish this last section hit on Done button and wait for the installation process to finish.
[
![Create User Account](http://www.tecmint.com/wp-content/uploads/2016/12/Create-User-Account.png)
][24]
Create User Account
16. After a few minutes the installer will report that CentOS has been successfully installed on your machine. In order to use the system you just have to remove the installation media and reboot the machine.
[
![CentOS 7.3 Installation Complete](http://www.tecmint.com/wp-content/uploads/2016/12/CentO-7.3-Installation-Complete.png)
][25]
CentOS 7.3 Installation Complete
17. After reboot, log in to the system using the credentials created during the installation process and make sure perform a full system update by issuing the below command with root privileges.
```
$ sudo yum update
```
[
![Update CentOS 7.3](http://www.tecmint.com/wp-content/uploads/2016/12/Update-CentOS-7.3.png)
][26]
Update CentOS 7.3
Answer with `yes` to all questions asked by [yum package manager][27] and finally, reboot the machine again (use sudo init 6) in order to apply new kernel upgrade.
```
$ sudo init 6
```
That’s all! Enjoy the latest release of CentOS 7.3 on your machine.
------------------
作者简介:
Matei Cezar
![](http://2.gravatar.com/avatar/be16e54026c7429d28490cce41b1e157?s=128&d=blank&r=g)
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/centos-7-3-installation-guide/
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://isoredirect.centos.org/centos/7/isos/x86_64/CentOS-7-x86_64-DVD-1611.iso
[2]:http://www.tecmint.com/red-hat-enterprise-linux-7-3-installation-guide/
[3]:https://rufus.akeo.ie/
[4]:http://www.tecmint.com/wp-content/uploads/2016/12/CentOS-7.3-Boot-Menu.png
[5]:http://www.tecmint.com/wp-content/uploads/2016/12/Select-CentOS-7.3-Installation-Language.png
[6]:http://www.tecmint.com/wp-content/uploads/2016/12/CentOS-7.3-Installation-Summary.png
[7]:http://www.tecmint.com/wp-content/uploads/2016/12/Select-Date-and-Time.png
[8]:http://www.tecmint.com/wp-content/uploads/2016/12/Select-Keyboard-Layout.png
[9]:http://www.tecmint.com/wp-content/uploads/2016/12/Select-Language-Support.png
[10]:http://www.tecmint.com/wp-content/uploads/2016/12/Enable-CentOS-7-Security-Policy.png
[11]:http://www.tecmint.com/wp-content/uploads/2016/12/CentOs-7.3-Software-Selection.png
[12]:http://www.tecmint.com/wp-content/uploads/2016/12/Gnome-Desktop-Software-Selection.png
[13]:http://www.tecmint.com/wp-content/uploads/2016/12/KDE-Desktop-Software-Selection.png
[14]:http://www.tecmint.com/command-line-tools-to-monitor-linux-performance/
[15]:http://www.tecmint.com/wp-content/uploads/2016/12/Select-Server-with-Gui.png
[16]:http://www.tecmint.com/wp-content/uploads/2016/12/Select-CentOS-7.3-Installation-Destination.png
[17]:http://www.tecmint.com/wp-content/uploads/2016/12/Kdump-Selection.png
[18]:http://www.tecmint.com/wp-content/uploads/2016/12/Set-Network-Hostname.png
[19]:http://www.tecmint.com/wp-content/uploads/2016/12/Configure-Network-and-IP-Address.png
[20]:http://www.tecmint.com/wp-content/uploads/2016/12/Begin-CentOS-7.3-Installation.png
[21]:http://www.tecmint.com/wp-content/uploads/2016/12/Select-Root-Password.png
[22]:http://www.tecmint.com/wp-content/uploads/2016/12/Set-Root-Password.png
[23]:http://www.tecmint.com/file-and-directory-management-in-linux/
[24]:http://www.tecmint.com/wp-content/uploads/2016/12/Create-User-Account.png
[25]:http://www.tecmint.com/wp-content/uploads/2016/12/CentO-7.3-Installation-Complete.png
[26]:http://www.tecmint.com/wp-content/uploads/2016/12/Update-CentOS-7.3.png
[27]:http://www.tecmint.com/20-linux-yum-yellowdog-updater-modified-commands-for-package-mangement/

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CentOS 7.3安装向导
============================================================
基于Red Hat企业版的最新版本的CentOS 7在今年的11月发布了，包含了许多bug修复、新的包更新、比如Samba、Squid、libreoffice、SELinux、systemd等其他支持第七代Intel酷睿i3、i5、 i7处理器的软件包。
本指南会向你展示如何在UEFI的机器上使用DVD ISO镜像来安装CentOS 7.3。
如果你在查找RHEL，看下我们的[RHEL 7.3安装指南][2]
#### 要求
1. [下载CentOS 7.3 ISO镜像][1]
要在UEFI的机器上正确安装CentOS 7.3，首先按键（(`F2`、 `F11`、 `F12`取决与你的主板类型）进入主板的UEFI的设置，并且确保QuickBoot/FastBoot以及Secure Boot已被禁用。
### CentOS 7.3安装
1. 在你从上面的链接下载完成镜像之后，使用[Rufus][3]将它烧录到DVD或者创建一个可启动的UEFI兼容USB盘。
将USB/DVD放入主板中，重启电脑并用特定的功能键（`F12`、 `F10`，取决于主板供应商）让BIOS/UEFI从DVD/USB启动。
ISO镜像启动完成后，你机器上会显示一个页面。在菜单中选择Install CentOS 7并按下回车继续。
[
![CentOS 7.3 Boot Menu](http://www.tecmint.com/wp-content/uploads/2016/12/CentOS-7.3-Boot-Menu.png)
][4]
CentOS 7.3启动菜单
2. 在安装镜像加载到内存完成后，会显示一个欢迎页面。选择你在安装中使用的语言并按下继续按钮。
[
![Select CentOS 7.3 Installation Language](http://www.tecmint.com/wp-content/uploads/2016/12/Select-CentOS-7.3-Installation-Language.png)
][5]
选择CentOS 7.3安装语言
3. 在下一个页面点击日期和时间，从地图中选择你的地理位置。确认日期和时间正确配置了并点击完成按钮来回到主安装界面。
[
![CentOS 7.3 Installation Summary ](http://www.tecmint.com/wp-content/uploads/2016/12/CentOS-7.3-Installation-Summary.png)
][6]
CentOS 7.3 安装总结
[
![Select Date and Time](http://www.tecmint.com/wp-content/uploads/2016/12/Select-Date-and-Time.png)
][7]
选择日期和时间
4. 点击键盘菜单进入键盘布局页面。选择或者添加一个键盘布局并点击完成继续。
[
![Select Keyboard Layout](http://www.tecmint.com/wp-content/uploads/2016/12/Select-Keyboard-Layout.png)
][8]
选择键盘布局
5. 接下来，添加或者配置一个你系统中的语言并点击完成进入下一步。
[
![Select Language Support](http://www.tecmint.com/wp-content/uploads/2016/12/Select-Language-Support.png)
][9]
选择语言支持
6. 在这步中，你可以通过选择列表中安全配置来设置你的系统安全策略。
点击选择配置按钮选择你想要的安全配置并点击应用安全设置按钮到On。点击完成按钮后继续安装流程。
[
![Enable CentOS 7.3 Security Policy](http://www.tecmint.com/wp-content/uploads/2016/12/Enable-CentOS-7-Security-Policy.png)
][10]
启用CentOS 7.3 安全策略
7. 下一步中你可以点击软件选择按钮来配置你的基础机器环境。
左边的列表是你可以选择安装桌面环境（Gnome、KDE Plasma或者创造型工作站）或者安装一个服务器环境（Web服务器、计算节点、虚拟化主机、基础设施服务器、带图形界面的服务器或者文件及打印服务器）或者执行一个最小化的安装。
为了随后能自定义你的系统，选择最小化带兼容库安装点击完成按钮继续。
[
![CentOS 7.3 Software Selection](http://www.tecmint.com/wp-content/uploads/2016/12/CentOs-7.3-Software-Selection.png)
][11]
CentOS 7.3软件选择
对于完整的Gnome或者KDE桌面环境，使用下面的截图作为指引。
[
![Gnome Desktop Software Selection](http://www.tecmint.com/wp-content/uploads/2016/12/Gnome-Desktop-Software-Selection.png)
][12]
Gnome桌面软件选择
[
![KDE Desktop Software Selection](http://www.tecmint.com/wp-content/uploads/2016/12/KDE-Desktop-Software-Selection.png)
][13]
KDE桌面软件选择
8. 假设你要在服务器上安装一个图形界面，选择左边那栏带GUI的服务器那项，并在右边那栏中根据你需要提供给客户端的服务选择合适的附加软件。
你可以选择的服务是非常多样化的，从备份、DNS或者e-mai服务到文件存储服务、FTP、HA或者[监控工具][14]。只选择对你网络设置最重要的服务。
[
![Select Server with GUI](http://www.tecmint.com/wp-content/uploads/2016/12/Select-Server-with-Gui.png)
][15]
选择带GUI的服务器
9 安装源保持默认，这为了防止你使用了特定的网络比如HTTP、HTTPS、FTP或者NFS协议作为额外的仓库，并点击安装位置来创建一个磁盘分区。
在设备选择页面，确保你已经选择了本地磁盘。同样，在其他存储选项中确保选择了自动配置分区。
这个选项可以确保你的磁盘会根据磁盘空间和Linux文件系统层次结构被正确分区。它会为你自动创建/（root）、/home和swap分区。点击完成来应用磁盘分区计划并回到主安装界面。
重要提醒：如你你想要创建自定义分区及自定义分区大小，你可以选择“I will configure partitioning”选项来创建自定义分区。
[
![Select CentOS 7.3 Installation Destination](http://www.tecmint.com/wp-content/uploads/2016/12/Select-CentOS-7.3-Installation-Destination.png)
][16]
安装CentOS 7.3安装位置
10. 接下来，如果你想要释放系统内存，点击KDUMP选项并禁用它。点击完成并回到主安装界面。
[
![Kdump Selection](http://www.tecmint.com/wp-content/uploads/2016/12/Kdump-Selection.png)
][17]
Kdump选择
11. 在下一步中设置你的主机名并启用网络服务。点击网络和主机名，在主机名中输入你的FQDN（完整网域名称），万一你在局域网中有一个DHCP服务器将以太网按钮从OFF切换到ON来激活网络接口。
[
![Set Network and Hostname](http://www.tecmint.com/wp-content/uploads/2016/12/Set-Network-Hostname.png)
][18]
设置网络及主机名
12. 为了静态配置你的网络接口，点击配置按钮，手动如截图所示添加IP设置，并点击保存按钮来应用更改。完成后，点击完成按钮来回到主安装菜单。
[
![Configure Network and IP Address](http://www.tecmint.com/wp-content/uploads/2016/12/Configure-Network-and-IP-Address.png)
][19]
配置网络和IP地址
13. 最后检查下所有到目前为止的配置，如果一切没问题，点击开始安装按钮开始安装。
[
![Begin CentOS 7.3 Installation Guide](http://www.tecmint.com/wp-content/uploads/2016/12/Begin-CentOS-7.3-Installation.png)
][20]
开始CentOS 7.3安装向导
14. 开始安装后，一个新的设置用户界面会显示出来。首先点击root密码并添加一个强密码。
root账户是每个Linux系统的最高管理账户密码，它拥有所有的权限。设置完成后点击完成按回到用户设置界面。
[
![Select Root Password](http://www.tecmint.com/wp-content/uploads/2016/12/Select-Root-Password.png)
][21]
选择root密码
[
![Set Root Password](http://www.tecmint.com/wp-content/uploads/2016/12/Set-Root-Password.png)
][22]
设置root密码
15 用root账户运行系统是非常不安全和危险的，因此建议你点击创建用户按钮创建一个新的系统账户来[执行每日的系统任务][23]、
添加新的用户，并同时选择下面的两个选项来授予用户root权限以及每次在登录系统时手动输入密码。
当你完成最后一项点击完成按钮并等待安装完成。
[
![Create User Account](http://www.tecmint.com/wp-content/uploads/2016/12/Create-User-Account.png)
][24]
创建用户账户
16. 几分钟后安装程序会报告CentOS已经成功安装在你机器中。要使用系统，你只需要移除安装媒介并重启机器。
[
![CentOS 7.3 Installation Complete](http://www.tecmint.com/wp-content/uploads/2016/12/CentO-7.3-Installation-Complete.png)
][25]
CentOS 7.3安装完成
17. 重启之后，使用安装中创建的用户登录系统，并且用root权限执行下面的命令来执行系统更新。
```
$ sudo yum update
```
[
![Update CentOS 7.3](http://www.tecmint.com/wp-content/uploads/2016/12/Update-CentOS-7.3.png)
][26]
更新CentOS 7.3
所有[yum管理器][27]的问题都选择`yes`，最后再次重启电脑（使用sudo init 6）来应用新的内核升级。
```
$ sudo init 6
```
就是这样！在你的机器中享受最新的CentOS 7.3吧。
------------------
作者简介:
Matei Cezar
![](http://2.gravatar.com/avatar/be16e54026c7429d28490cce41b1e157?s=128&d=blank&r=g)
我是一个电脑上瘾的家伙，一个开源和linux系统软件的粉丝，有大约4年的Linux桌面，服务器和bash脚本的经验。
--------------------------------------------------------------------------------
via: http://www.tecmint.com/centos-7-3-installation-guide/
作者：[Matei Cezar][a]
译者：[geekpi](https://github.com/geekpi)
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://isoredirect.centos.org/centos/7/isos/x86_64/CentOS-7-x86_64-DVD-1611.iso
[2]:http://www.tecmint.com/red-hat-enterprise-linux-7-3-installation-guide/
[3]:https://rufus.akeo.ie/
[4]:http://www.tecmint.com/wp-content/uploads/2016/12/CentOS-7.3-Boot-Menu.png
[5]:http://www.tecmint.com/wp-content/uploads/2016/12/Select-CentOS-7.3-Installation-Language.png
[6]:http://www.tecmint.com/wp-content/uploads/2016/12/CentOS-7.3-Installation-Summary.png
[7]:http://www.tecmint.com/wp-content/uploads/2016/12/Select-Date-and-Time.png
[8]:http://www.tecmint.com/wp-content/uploads/2016/12/Select-Keyboard-Layout.png
[9]:http://www.tecmint.com/wp-content/uploads/2016/12/Select-Language-Support.png
[10]:http://www.tecmint.com/wp-content/uploads/2016/12/Enable-CentOS-7-Security-Policy.png
[11]:http://www.tecmint.com/wp-content/uploads/2016/12/CentOs-7.3-Software-Selection.png
[12]:http://www.tecmint.com/wp-content/uploads/2016/12/Gnome-Desktop-Software-Selection.png
[13]:http://www.tecmint.com/wp-content/uploads/2016/12/KDE-Desktop-Software-Selection.png
[14]:http://www.tecmint.com/command-line-tools-to-monitor-linux-performance/
[15]:http://www.tecmint.com/wp-content/uploads/2016/12/Select-Server-with-Gui.png
[16]:http://www.tecmint.com/wp-content/uploads/2016/12/Select-CentOS-7.3-Installation-Destination.png
[17]:http://www.tecmint.com/wp-content/uploads/2016/12/Kdump-Selection.png
[18]:http://www.tecmint.com/wp-content/uploads/2016/12/Set-Network-Hostname.png
[19]:http://www.tecmint.com/wp-content/uploads/2016/12/Configure-Network-and-IP-Address.png
[20]:http://www.tecmint.com/wp-content/uploads/2016/12/Begin-CentOS-7.3-Installation.png
[21]:http://www.tecmint.com/wp-content/uploads/2016/12/Select-Root-Password.png
[22]:http://www.tecmint.com/wp-content/uploads/2016/12/Set-Root-Password.png
[23]:http://www.tecmint.com/file-and-directory-management-in-linux/
[24]:http://www.tecmint.com/wp-content/uploads/2016/12/Create-User-Account.png
[25]:http://www.tecmint.com/wp-content/uploads/2016/12/CentO-7.3-Installation-Complete.png
[26]:http://www.tecmint.com/wp-content/uploads/2016/12/Update-CentOS-7.3.png
[27]:http://www.tecmint.com/20-linux-yum-yellowdog-updater-modified-commands-for-package-mangement/