RHEL6 vs RHEL7

Posted: November 7, 2016 in RHEL 7, rhel6 vs rhel7

[1]ON THE BASIS OF RELEASE DATE.

RELEASE DATE OF RHEL6 IS 10th NOV 2010.

RELEASE DATE OF RHEL7 IS 10TH JUNE 2014.

[2]DIFFERENCE ON THE BASIS OF OPERATING SYSTEM NAMES

If you want to see this use this command

#cat /etc/redhat-release

RHEL6 : REDHAT ENTERPRISE LINUX (SANTIGO)

RHEL7: REDHAT ENTERPRISE LINUX (MAIPO)

[3]KERNEL VERSION

RHEL6: 2.6.32

RHEL7:  3.0.10

[4] OS BOOT TIME

RHEL6: 40 sec

RHEL7: 20 sec

[5]MAXIMUM SIZE OF SINGLE PARTITION

RHEL6: 50TB(EXT4)

RHEL7: 500TB(XFS)

[6] BOOT LOADER

RHEL6:  /boot/grub/grub.conf

RHEL7: /boot/grupb2/grub.cfg

[7]PROCESSOR ARCHITECTURE

RHEL6: It support 32bit & 64bit  both

RHEL7: It only support 64bit

[8]HOW TO FORMAT OR ASSIGN A FILE SYSTEM IN

RHEL6:      #mkfs.ext4   /dev/sda6

RHEL7:       #mkfs.xfs   /dev/sda6

[9]HOW TO REPAIR A FILE SYSTEM IN

RHEL6:  #fsck -y /dev/hda6

RHEL7:  #xfs_repair /dev/hda6

[10]COMMAND TO MANAGE NETWORK IN RHEL6 AND RHEL7

RHEL6:  #setup

RHEL7:  #nmtui

[11]HOSTNAME CONFIGURATION FILE

RHEL6:    /etc/sysconfig/network

RHEL7:    /etc/hostname

[12]DEFAULT ISO IMAGE MOUNT PATH

RHEL6: /media

RHEL7: /run/media/root

[13]FILE SYSTEM CHECK

RHEL6:   e2fsck

RHEL7:   xfs_repair

[14]RESIZE A FILE SYSTEM

RHEL6:   #resize2fs  -p /dev/vg00/lv1

RHEL7:    #xfs_growfs  /dev/vg00/lv1

[15]TUNE A FILE SYSTEM

RHEL6: tune2fs

RHEL7: xfs_admin

[16]IPTABLES AND FIREWALL

RHEL6: iptables

RHEL7: firewalld

[17]COMMUNICATION BETWEEN TCP AND UDP IN BACK END

RHEL6: netcat

RHEL7: ncat

[18]INTERFACE NAME

RHEL6: eth0

RHEL7: ens198(N)

[19]COMBINING NIC

RHEL6: Network Bonding

RHEL7: Team Driver

[20]NSF Server Version

RHEL6:  NFSv2

RHEL7:  NFSV4

 [21]DATABASE USED

RHEL6: Mysql

RHEL7: mariaDB

[22]MANAGING SERVICES

RHEL6:

#service sshd restart

#chkconfig sshd on

RHEL7:

#systemctl restart sshd

#systemctl enable sshd

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