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Red hat enterprise linux 7 (rhel 7)

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Basics and a quick overview of RedHat Enterprise Linux 7 (RHEL 7)

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Red hat enterprise linux 7 (rhel 7)

  1. 1. RedHat Enterprise Linux 7 (RHEL 7) By, Ramola Dhande
  2. 2. 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
  3. 3. 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
  4. 4. RHEL 7 – Container Host Linux Kernel Hardware, VM, Cloud Host Container Image-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
  5. 5. 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)
  6. 6. EASILY CREATE CUSTOM INSTALLED IMAGES RHEL 7 introduces ability to : ◦ Create ◦ Install ◦ Manage for Custom Images Physical Deployment Virtual Deployment Cloud Deployment Install & Manage Custom Images using Anaconda Kickstart Automate Custom Images using Kickstart
  7. 7. FEATURES NETWORK 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
  8. 8. RHEL AS VIRTUALIZATION HOST KERNEL BASED VIRTUAL MACHINE (KVM) : ◦ Inbuilt Virtualization software integrated with Linux kernel ◦ Can interact directly with kernel
  9. 9. CHOICE OF DESKTOPS GNOME CLASSIC (DEFAULT) Familiar More traditional look and feel
  10. 10. CHOICE OF DESKTOPS GNOME3 (GNOME SHELL) ELEGANT AND INTUITIVE USER INTERFACE FOCUS ON END-USER PRODUCTIVIT Y
  11. 11. CHOICE OF DESKTOPS KDE V4.10 AN ALTERNATIV E TO GNOME FOR USERS WHO PREFER KDE

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