Red hat enterprise linux 7 (rhel 7)
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Transcript of Red hat enterprise linux 7 (rhel 7)
RedHat Enterprise Linux
7 (RHEL 7)By,
Ramola Dhande
RHEL 7 INTRODUCTION
REDHAT:
◦ Worlds most recognized & trusted provider of
Linux.
◦ Open source technology.
◦ Supported hardware architectures:
Intel/AMD 64-bit (x86_64)
IBM POWER
IBM System z
LIGHTWEIGHT APPLICATION
ISOLATION VIA. LINUX
CONTAINERS
Containers enable continuous delivery
Containers in RHEL 7
◦ Supports both :
Host Containers ie. Identical Container
Image-Based Containers ie. Non-Identical Containers
RHEL 7 – Container Host
Linux Kernel
Hardware, VM, Cloud
Host ContainerImage-Based
Container
Containe
r
App A
Containe
r
App B
Containe
r
App C
App B
Runtime
B
App A
Runtime
A
App C
Runtime
C
FILE SYSTEMS
• Most Recommended
• Default file system for RHEL 7
• Best Performance
• Size : 500TB
XFS
• Recommended
• Standard file system for RHEL 6
• Very Robust & Reliable
• Size : 50TB
EXT4
• Still under intensive development
• Useful for local, large-scale use cases
• Includes basic volume management, snapshot support.
BTFS (Brtfs)
EASILY CREATE CUSTOM
INSTALLED IMAGES
RHEL 7 introduces ability to :
◦ Create
◦ Install
◦ Manage
forCustom
Images
Physical Deployment
Virtual Deployment
Cloud Deployment
Install & Manage
Custom Images
using
Anaconda
Kickstart
Automate Custom Images using Kickstart
FEATURESNETWORK MANAGER :◦ Eliminates need to manually configuration network
files.
◦ Flexible interface options with:
GUI
NMCLI
NMTUI
SECURITY FEATURES :
◦ Firewall Service (firewalld) :
Unified firewall management service for
Ipv4 (iptables)
Ipv6 (ip6tables)
Ethernet Bridges (ebtables)
For Managing
Local & Remote
Systems
RHEL AS VIRTUALIZATION HOST
KERNEL BASED VIRTUAL MACHINE
(KVM) :
◦ Inbuilt Virtualization software integrated with
Linux kernel
◦ Can interact directly with kernel
CHOICE OF DESKTOPS
GNOME CLASSIC (DEFAULT)
Familiar
More
traditional
look and
feel
CHOICE OF DESKTOPS
GNOME3 (GNOME SHELL)
ELEGANT
AND
INTUITIVE
USER
INTERFACE
FOCUS ON
END-USER
PRODUCTIVIT
Y
CHOICE OF DESKTOPS
KDE V4.10
AN
ALTERNATIV
E
TO GNOME
FOR USERS
WHO
PREFER
KDE