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This article shows you what the main changes in RHEL7 and RHEL6 are. The content is concise and easy to understand. It will definitely brighten your eyes. I hope you can get something through the detailed introduction of this article.

As follows:

On the main changes of RHEL7 and RHEL6

RHEL7RHEL6 file system XFSEXT4 kernel version 3.10.x-x series 2.6.x-x series kernel name MaipoSantiago release time 2014-06-09 (3.10.0-123) 2010-11-09 (2.6.32-71) process name systemdinit run level runlevel0.target- > poweroff.target

Runlevel1.target- > rescue.target

Runlevel2.target- > multi-user.target

Runlevel3.target- > multi-user.target

Runlevel4.target- > multi-user.target

Runlevel5.target- > graphical.target

Runlevel6.target- > reboot.target

/ etc/systemd/system/default.targetrunlevel0

Runlevel1

Runlevel2

Runlevel3

Runlevel4

Runlevel5

Runlevel6

/ etc/inittab hostname / etc/hostname/etc/sysconfig/network maximum file 500TB16TB check tool xfs.repaire2fsck startup tool GRUB2GRUB0.97 service startup SystemdUpstart service management systemctl enable xxx.service

Systemctl start xxx.service

Systemctl stop xxx.service

Systemctl restart xxx.service

Compatible with the chkconfig,service command service enable xxx.service

Service stop xxx.service

Service start xxx.service

Chkconfig-level 3 5 nfs on Firewall Firewalld compatible with IptablesIptables Network binding Team DriverBonding Network time Chrony,ntpdntpdNFS version NFS4.1 support NFSv3,NFSv4.0,NFSv4.1 client NFS4 Cluster Management tool PacemakerRgmanager load balancing tool Keepalived,HAProxyRgmanager Desktop Environment GNOME3,KDE4.10GNOME2 Database MariaDBMySQLRHEL7 and RHEL6 Management commands and configuration File change subscription Information RHEL7RHEL6

Subscription Information tool subscription-manager identity/etc/sysconfig/rhn/systemid

Subscription-manager identity configuration subscription information subscription-manager rhn_registerrhn_register rhnreg_ks subscription-manager identity basic configuration RHEL7RHEL6GUI configuration tool gnome-control-centersystem-config-* network configuration tool nmcli nmtui nm-connection-editorsystem-config-network language configuration tool localectlsystem-config-language time configuration tool timedatectl datesystem-config-date date time synchronization ntpdate / etc/chrony.confntpdate / etc/ntp.conf keyboard configuration localectlsystem-config-keyboard service management RHEL7RHEL6 service list systemctl-at service

Ls / {usr/lib,etc} / systemd/system/*.servicechkconfig

Ls / etc/init.d/ service starts systemctl start name.serviceservice name start service stops systemctl stop name.serviceservice name stop service view systemctl status name.serviceservice name status service restart systemctl restart name.serviceservice name restart service boot self-boot systemctl enable name.servicechkconfig name on service does not start systemctl disable name.servicechkconfig name off add service systemctl daemon-reloadachkconfig-- add service list view systemctl-t service-- state=activeservice-- status-all view run level systemctl get-defaultrunlevel modify run level systemctl isolate name.target

Init runlevelinit runlevel log file / etc/rsyslog.conf

/ etc/rsyslog.d/*.conf

/ var/log/journal/

/ etc/systemd/journald.conf/etc/rsyslog.conf View log file / var/log//var/log/journalctl kernel hardware RHEL7RHEL6 startup prompt append rd.break or init=/bin/bash to kernel cmdlineappend 1 or s or init=/bin/bash to kernel cmdline turn off system systemctl shutdownshutdown power off systemctl poweroffpoweroff suspend system systemctl halthalt restart system systemctl rebootreboot modify run level systemctl set-default/etc/inittab configuration GRUB/etc/default/grub

Grub2-mkconfig

Grub-set-default/boot/grub/grub.conf Software Management RHEL7RHEL6 installation package yum install

Yum group installyum install

Yum groupinstall View package yum info

Yum group infoyum info

Yum groupinfo file system RHEL7RHEL6 establish file system fdisk parted gdiskfdisk partedLVM management vgextend lvextend xfs_growfsvgextend lvextend resize2fs network interface configuration RHEL7RHEL6 configuration name / etc/hosts

/ etc/resolv.conf

Nmcli conmod/etc/hosts

/ etc/resolv.conf hostname configuration / etc/hostname

Hostnamectl

Nmcli/etc/sysconfig/networkIp address configuration ip addr

Nmcli dev

Show

Teamdctl

Brctl

Bridgeip add

Ifconfig

Brctl configure Firewall firewall-cmd

Firewall-configiptables&ip6tables

/ etc/sysconfig/ip*tables

System-config-firewall View Port Command ss

Lsofnetstat

Ss

The above contents of lsof are the main changes in RHEL7 and RHEL6. Have you learned any knowledge or skills? If you want to learn more skills or enrich your knowledge reserve, you are welcome to follow the industry information channel.

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