2.4.4. RHEL: Red Hat Enterprise Linux

2.4.4.1. About This Menu

About This Menu

Red Hat Enterprise Linux

  • Provides Official Image Template
    • Customers are provided Official Image Template of Red Hat Enterprise Linux (called RHEL hereafterOS hereafter).

  • Provides Cloud Provider License
    • Customers are being provided with RHEL license which corresponds to CCP Agreement (that stands for Certified Cloud Provider Agreement).

    • *In the event that Customers are interested in utilizing BYOL (that stands for Bring-Your-Own-License, where Customers bringing in their own License to perform in their platform environment) over Baremetal Server, they are recommended that they read Service Description Red Hat Enterprise Linux for BYOL.

Note

If you are using the ECL 2.0 RHEL public template / guest image, you need to switch to a new repository server Red Hat Update Infrastructure(RHUI).
RHEL repository server change procedure <https://ecl.ntt.com/documents/tutorials/rsts/Dedicated-Hypervisor/GuestImage/RHUI/index.html> __ Please refer to `__

Server / Dedicated Hypervisor Available with RHEL

  • When Customers utilize RHEL with Server / Dedicated Hypervisor, following two ways are available: 1. To utilize Official Image Template; 2. To bring their own OS image.

  • Following is how Customers utilize RHEL with Server / Dedicated Hypervisor respectively.

OS Use Case

Server/Dedicated Hypervisor

     
 

Baremetal Server

Virtual Server

vSphere ESXi Hyper-V

Official Image Template

Y Y Y N

Customers’ BYOL

Y Y [1] Y Y

Deployment Patterns

  • Following is the list of deployment patterns for RHEL OS to be utilized in detailed see cases:

<Deployment Patterns>

Server/Dedicated Hypervisor

Objective

Host OS

Guest OS

Official Image Template

BYOL

Deployment Patterns

Availability

Baremetal Server

Host OS

RHEL    
Y
         
Y
 

Guest OS

Hypervisor * certified by Red Hat

RHEL  
N
         
Y

Virtual Server

Guest OS

Virtual Server Platform Environment

RHEL  
Y
         
Y [1]
vSphere ESXi

Guest OS

vSphere ESXi RHEL  
Y
         
Y
Hyper-V

Guest OS

Windows Server(Hyper-V) RHEL  
N
         
Y
[1](1, 2)

Only RHEL6 is supported.

[2]
Hypervisor certified by Red Hat is required.
For the details please refer to the Red Hat Official Website: https://access.redhat.com/ja/node/1419973

<Diagram on Deployment Patterns>

_images/ja/OS/rhel_image1.png

Features of Menu

  • On-Demand
    Customers can request to subscribe RHEL OS over the Server via Customer Portal / API.
  • Support
    It is possible to use software bug fixes provided by OS vendors, security patches, etc.

2.4.4.2. Available Functions

Official Image Template

  • Following is the RHEL Official Image Template to be provided for Customers:

OS Version

Language

Server/Dedicated Hypervisor

     
   

Baremetal Server

Virtual Server

vSphere ESXi Hyper-V
Red Hat Enterprise Linux 7.1 EN Y Y Y N
Red Hat Enterprise Linux 7.3 EN Y Y Y N

Available Repository

  • This menu provides with the original repository server.

  • NTT Com provides software maintenance, such as bug-fix and security patches, through yum, the package management system of Linux distributions. Customers need to execute yum by themselves.

  • Following five repositories are available NTT Com needs for providing RHEL ver 7.x,

    1. Channel: “Base”, “Optional” and “RH Common” are available. These packages are provided by Red Hat under the conditions of CCP license.

    2. Type: “RPM” and “Debug” are available.

<Available Repository>

Repository Name

Base Optional RH Common RPM Debug
Red Hat Enterprise Linux 7 Server from RHUI (RPMs) (7Server-x86_64) Y     Y  
Red Hat Enterprise Linux 7 Server from RHUI (Debug RPMs) (7Server-x86_64) Y       Y
Red Hat Enterprise Linux 7 Server - Optional from RHUI (RPMs) (7Server-x86_64)   Y   Y  
Red Hat Enterprise Linux 7 Server - Optional from RHUI (Debug RPMs) (7Server-x86_64)   Y     Y
Red Hat Enterprise Linux 7 Server - RH Common from RHUI (RPMs) (7Server-x86_64)     Y Y  
Red Hat Enterprise Linux 7 Server from RHUI (Debug RPMs) (7Server-x86_64)     Y   Y

List of Functions

  • Functions offered as RHEL Official Image Template are as follows:

Name of Functions

Overview

Default Username

The username of OS will be set default of this menu.

Password Settings for Default User

Initial login password for OS user differs depending on the Server / Solution Package that Customers are utilizing.

Locale Settings

Time Zone / Language / Character Code / Locale / Keyboard Sequence are set default.

Security Settings (Windows Firewall Settings)

OS Security Settings are set default: (iptables / SE Linux)

SSH Settings

Configuration of sshd conf on OS differs for each server/Dedicated Hypervisor.

Dedicated tool setting

Set up tools to work on vSphereESXi and Virtual Server.

Other Settings

OS Initial Status, Additional PKG, Repositories, Ipv6, NTP Server, DNS Server, and Default Gateways are respectively set.


※Server functions (OS installation and deletion, rebuild, duplication,etc) are described in the service description “Function list” of Virtual server / Baremetal server / Dedicated hypervisor menu.Please refer to the service descriptions.
*There is an official Webpage offered by RHEL OS itself; for specific functions and information offered by RHEL OS itself, please refer to their webpage: https://www.redhat.com/en/technologies/linux-platforms/enterprise-linux

Descriptions of Functions

Initial User Name Settings

  • NTT Com sets the following as initial user name and initial user’s authority.

Items

Server/Dedicated Hypervisor

   
 

Baremetal Server

Virtual Server

vSphere ESXi

User Name

root root root

Permission

root root root

Password Settings for Default User

  • Server password will be set accordingly as below:

Items

Server/Dedicated Hypervisor

   

Menu

Baremetal Server

Virtual Server

vSphere ESXi

Details

Customers can set their optional values via Customer Portal / API.
Furthermore, if the space is left vacant, random values will be entered.
Initial login password is as follows: ubuntu
root [3]
Initial login password is as follows: ubuntu
root [4]

[3]

In order to log in to server via SSH, customer is required to change sshd_conf setting from console on customer portal.

[4]

In order to log in to server via SSH, customer is required to change sshd_conf setting by logging in to virtual server via console on vSphere ESXi.

Locale Settings

  • Time Zone, Locale, and Keyboard Sequence Settings are set as follows:

Items

Server/Dedicated Hypervisor

   
 

Baremetal Server

Virtual Server

Dedicated hypervisor

Time Zone Settings

UTC

UTC

UTC

Locale Settings

en_US.UTF-8 en_US.UTF-8 en_US.UTF-8

Keyboard Sequence

English Keyboard Sequence (101/104)

English Keyboard Sequence (101/104)

English Keyboard Sequence (101/104)


Security Settings (Windows Firewall Settings)

  • Iptables and SE Linux settings are set as follows:

Items

Server

   
 

Baremetal Server

Virtual Server

vSphere ESXi
IPtable

No Settings

No Settings

No Settings

SELinux disable disable disable

SSH Settings

  • The configuration of sshd conf are set as follows:

Items

Server/Dedicated Hypervisor

   
 

Baremetal Server

Virtual Server

vSphere ESXi
Port 22 22 22
Protocol 2 2 2
Password Authentication Y N N
Public key Authentication Y Y Y
HostbasedAuthentication N N N

  • When Customers create a Server, they can create SSH key pairs, as well as they can utilize their existing ones. Maximum number of key pair per Tenent is 120.

  • Following is the methods for create/delete/register key pairs:

Items

Methodologies

Create Key Pairs

Customer Portal / API

Delete Key Pairs

Customer Portal / API

Record Key Pairs

  • Customer Portal / API

  • Keyname (String)

Dedicated tool setting

  • Followings are configurations of tools on each Server and Dedicated Hypervisor.

Server/Dedicated Hypervisor

   

Baremetal Server

Virtual Server

vSphere ESXi
Cloud-init Cloud-init VMware Tools

Other Settings

  • Following is the Initial Settings and Status of OS Installation:

Classification

Itemized Attributes

Server

   
   

Baremetal Server

Virtual Server

vSphere ESXi

Initial Status

OS Minimal parts

Minimal installation

Minimal installation

Minimal installation

 

Additional Software

・Common
acpid
Cloud-init 0.7.6
RHEL License Certificate (RHUI Client Certificate)
· For RHEL 7.3
HP-Agentless Management Service
acpid
Cloud-init 0.7.6
RHEL License Certificate (RHUI Client Certificate)
VMware Tools
Perl
net-tools
RHEL License Certificate (RHUI Client Certificate)

Initial settings

Repository Server

In this menu, Customers are required to set FQDN of RHUI (CDS) Server.

In this menu, Customers are required to set FQDN of RHUI (CDS) Server.

In this menu, Customers are required to set FQDN of RHUI (CDS) Server.

  IPv6 enable enable enable
 

Default Gateway

Default Gateway values will be those assigned at Logical Network.
If the space is left vacant, values will never be set.
Default Gateway values will be those assigned at Logical Network.
If the space is left vacant, values will never be set.
Not Configured.
Customer need to configure at creation.
  DNS
Default Gateway values will be those assigned at Logical Network.
If the space is left vacant, values will never be set.
Default Gateway values will be those assigned at Logical Network.
If the space is left vacant, values will never be set.
Not Configured.
Customer need to configure at creation.
  /etc/hosts

In this menu, Customers are required to set FQDN of RHUI (CDS) Server.

In this menu, Customers are required to set FQDN of RHUI (CDS) Server.

In this menu, Customers are required to set FQDN of RHUI (CDS) Server.

  NTP
Default Gateway values will be those assigned at Logical Network.
If left vacant, 169.254.127.1 will be set.
In RHEL 7.3, the slew mode is set in chronyd.conf.
Default Gateway values will be those assigned at Logical Network.
If left vacant, 169.254.127.1 will be set.
IP address “169.254.127.1” is set.
In RHEL 7.3, the slew mode is set in chronyd.conf.
  Linux EDAC (Error Detection And Correction) driver
After setting up a file in the following directory, it will be set to be unload.
/etc/modprobe.d/blacklist-edac.conf
 

Initial Login Message

NTTCom has changed default initial login message by editing “/etc/motd”.

NTTCom has changed default initial login message by editing “/etc/motd”.

NTTCom has changed default initial login message by editing “/etc/motd”.


2.4.4.3. Menu

Official Image Template (Reprise)

  • Following is the RHEL Official Image Template to be provided for Customers:

OS Version

Language

Server/Dedicated Hypervisor

     
   

Baremetal Server

Virtual Server

vSphere ESXi Hyper-V
Red Hat Enterprise Linux 7.1 EN Y Y Y N
Red Hat Enterprise Linux 7.3 EN Y Y Y N

Subscription Method

Baremetal Server and / or Virtual Server Platforms

  • Add New Subscription
    Please specify following Image at server creation.

Product

Server/Dedicated Hypervisor

   
 

Baremetal Server

Virtual Server

vSphereESXi
Red Hat Enterprise Linux 7.1 RedHatEnterpriseLinux-7.1_64_include-license_baremetal-server_01
RedHatEnterpriseLinux-7.1_64_include-license_virtual-server_12
RedHatEnterpriseLinux-7.1_64_include-license_virtual-server_42
RedHatEnterpriseLinux-7.1_64_include-license_hw9_vSphere-ESXi_02
RedHatEnterpriseLinux-7.1_64_include-license_hw9_vSphere-ESXi_12
Red Hat Enterprise Linux 7.3 RedHatEnterpriseLinux-7.3_64_include-license_baremetal-server_01
RedHatEnterpriseLinux-7.3_64_include-license_virtual-server_02
RedHatEnterpriseLinux-7.3_64_include-license_virtual-server_12
RedHatEnterpriseLinux-7.3_64_include-license_hw9_vSphere-ESXi_02
RedHatEnterpriseLinux-7.3_64_include-license_hw9_vSphere-ESXi_12

Note

Please select the image with the big end when offering 3.0 of Red Hat Update Infrastructure (RHUI).

  • Terminate the existing Subscription
    Customers can delete Baremetal Server/virtual server which they created through RHEL Official Image Template.

In case of Dedicated Hypervisor

  • New subscription method/termination subscription method
    Please refer to Service Description of “Dedicated Hypervisor”.

2.4.4.4. Terms and Conditions

Conditions for Usage with Other Services

  • This menu must be combined with either two menus:
    1.Customers can subscribe in combination with Baremetal Server or Virtual Server.
    2.Customers are required to make a request for subscribing Dedicated Hypervisor first, and then place an order for this menu separately.
  • In order for Customers to activate OS License, Customers are required to obtain the route for common function Gateways.

  • Repository Server will not be available if Customers disconnect Common Function Gateway where RHEL OS license authentication has done.

  • Customers are required to request for subscriptions in combination with any of the two: Baremetal Server / Virtual Server.


Minimum Use Period

  • This menu does not have minimum use period.


2.4.4.5. Pricing

Initial Fee

  • This service does not require Initial Fees.


Monthly Fees

Baremetal Server

  • Billing Structures
    Fixed Monthly billing is applied.
  • Billed Items
    Billing will be made based on the unit of Baremetal Server used more than a month.
*For subscriptions of Baremetal Server(s) which Customers utilize concurrently will also be charged.
*In case Customers delete and re-create Baremetal Server within the same month, the monthly fee of this menu will be based on the total quantity of Baremetal Servers utilized by Customers.
*Depending of the favor of the baremetal server,the fees in this menu may be different.
*For more about the flavors of the baremetal server, please refer to the following document:

Baremetal Server


Virtual Server

  • Billing Structures
    It is a pay-per-use(/min) with a monthly limit.
    When the flavor is changed during the month, the monthly fee will be the maximum fee of the maximum vCPU number.
  • Billed Items
    The root disk with the OS stored, and the volume will be attached instance.
*In the event that this menu’s Official Image Template OS is stored within a Volume and is attached multiply to one Instance, this menu’s basic billing is added depending upon the number of Volume.
*Based on the Flavor for the Instance that is being attached with Volume(s), this menu’s billing will shift.
*Relations amongst Instance, Volume, and Virtual Server’s Instance Flavor, please refer to the Virtual Server Service Description:

Dedicated hypervisor

  • Billing Structures
    Fixed Monthly billing is applied.
  • Billed Items
    The maximum concurrent use VM number generated within one tenant during the current month is charged.
    1 Subscription will be charged on a 2VM Guest OS basis. (One subscription rounded up if the maximum simultaneous use VM number is odd)

※ The invoice does not indicate the number of subscriptions but the maximum number of simultaneous VMs of the current month.


Note

The above is for reference information, please check the Terms of Service and the price list for more information.


2.4.4.6. Quality of Service

Support Coverage

Supported Official Image Templates

Support is covered for Server/Dedicated Hypervisor created from the following Official Image Template:

Product

Server/Dedicated Hypervisor

   
 

Baremetal Server

Virtual Server

vSphereESXi
Red Hat Enterprise Linux 7.1 RedHatEnterpriseLinux-7.1_64_include-license_baremetal-server_01
RedHatEnterpriseLinux-7.1_64_include-license_virtual-server_12
RedHatEnterpriseLinux-7.1_64_include-license_virtual-server_42
RedHatEnterpriseLinux-7.1_64_include-license_hw9_vSphere-ESXi_02
RedHatEnterpriseLinux-7.1_64_include-license_hw9_vSphere-ESXi_12
Red Hat Enterprise Linux 7.3 RedHatEnterpriseLinux-7.3_64_include-license_baremetal-server_01
RedHatEnterpriseLinux-7.3_64_include-license_virtual-server_02
RedHatEnterpriseLinux-7.3_64_include-license_virtual-server_12
RedHatEnterpriseLinux-7.3_64_include-license_hw9_vSphere-ESXi_02
RedHatEnterpriseLinux-7.3_64_include-license_hw9_vSphere-ESXi_12

Support for Major Version

OS Version

Start Support

End Support

7.1 2015/3/5 2024/6/30
7.3 2016/11/3 2024/6/30

Repositories to be Supported

Please refer to the details in this section with regards to the RHEL-offered repositories

Support Method

Support Method

  • NTT Com supports initial setup, the first login to server and OS license authentication.

  • Even in the event that Customers request Support with regards to the reports of failure, errors or any troubles Customers face at installation, Setup, basic functioning, NTTCom will not activate Support Service (which includes investigation, troubleshooting, and technical advice).

  • When Customers subscribe OS license, they can use “Software Access” and “Software Maintenance” of the software subscription provided by Red Hat Enterprise Linux. Please follow NTT Com’s instruction how Customers can use and access to these functions.


Operations

Quality of this menu’s Operations corresponds to that of standardized regulations which NTTCom defines thereof in details.


SLA

  • This Menu’s SLA is corresponding to the standardized regulations of SLA.

2.4.4.7. Data Center Providing This Menu

  • 提供可能なデータセンターは以下の通りです。(2018年7月時点)

Region

Server/Dedicated Hypervisor

   
 

Baremetal Server

Virtual Server

vSphere ESXi
JP1

Y

Y

Y

JP2

Y

Y

Y

JP4

Y

Y

Y

JP5

Y

Y

Y

US1

Y

Y

Y

UK1

Y

Y

Y

DE1

Y

Y

Y

SG1

Y

Y

Y

HK1

Y

Y

Y

AU1

Y

Y

Y

2.4.4.8. Restrictions

All

  • Customers are prohibited from utilize RHUI (CDS) server for anything other than this menu.

  • OS Image Handovers in between Baremetal Server and in Virtual Servers are duly prohibited.

  • NTT Com does not support the OS version that Red Hat support is expired. And NTT Com does not extend such expiration dates.

  • When Red Hat announces the end of support, or if any of Server/Dedicated Hypervisor is going to be end its support, NTT Com will announce the notification on end of support to Customers in advance.

  • NTT Com cannot directly disclose the needed information for installation, such as activation key, subscription number, to Customers in writing or any other methods.

  • This menu is prohibited to activate KVM and create RHEL virtual machine on this server.

  • Customers are prohibited to change configuration in /etc/hosts unless NTTCom announce.

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