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RHEL 6 和 RHEL 7 之间的变化（部分内容）

2015-08-06 16:37 330 查看

Administrative command and config-file changes
System Basics
Task	RHEL6	RHEL7
View RH subscription information	/etc/sysconfig/rhn/systemid subscription-manager identity	subscription-manager identity
Configure RH subscription	rhn_register rhnreg_ks subscription-manager	subscription-manager14 rhn_register15
Basic Configuration
Task	RHEL6	RHEL7
Graphical configuration tools	system-config-*	gnome-control-center
Configure network	system-config-network	nmcli nmtui nm-connection-editor
Configure system language	system-config-language	localectl
Configure system time and date	system-config-date	timedatectl
date	date
Synchronize time and date	ntpdate	ntpdate
/etc/ntp.conf	/etc/chrony.conf
Configure keyboard	system-config-keyboard	localectl
Jobs and services
Task	RHEL6	RHEL7
List all services	chkconfig	systemctl -at service
ls /etc/init.d/	ls /{usr/lib,etc}/systemd/system/*.service
List running services	service –status-all	systemctl -t service –state=active
Start/stop a service	service name start	systemctl start name.service
service name stop	systemctl stop name.service
Enable/disable a service	chkconfig name on	systemctl enable name.service
chkconfig name off	systemctl disable name.service
Check if service enabled	chkconfig name	systemctl is-enabled name
View service status	service name status	systemctl status name.service
Create service file or change config	chkconfig –add	systemctl daemon-reload
View runlevel/target	runlevel	systemctl get-default
Change runlevel/target	init runlevel	systemctl isolate name.target
init runlevel
Configure logging	/etc/rsyslog.conf	/etc/rsyslog.conf
/etc/rsyslog.d/*.conf
/var/log/journal/
/etc/systemd/journald.conf
View logs	/var/log/	/var/log/
journalctl
Kernel, boot, and hardware
Task	RHEL6	RHEL7
Bypass root password prompt at boot	append 1 or s or init=/bin/bash to kernel cmdline	append rd.break or init=/bin/bash to kernel cmdline
Shut down system	shutdown	systemctl shutdown
Power off system	poweroff	systemctl poweroff
Halt system	halt	systemctl halt
Reboot system	reboot	systemctl reboot
Configure default runlevel/target	/etc/inittab	systemctl set-default
Configure GRUB bootloader	/boot/grub/grub.conf	/etc/default/grub
grub2-mkconfig
grub-set-default
Software management
Task	RHEL6	RHEL7
Install software	yum install	yum install
yum groupinstall	yum group install
View software info	yum info	yum info
yum groupinfo	yum group info
File systems, volumes, and disks
Task	RHEL6	RHEL7
Create/modify disk partitions	fdisk parted	fdisk parted gdisk
Default file system	ext4	xfs
Enlarge volumes formatted with default filesystem	vgextend	vgextend
lvextend	lvextend
resize2fs	xfs_growfs
Networking
Task	RHEL6	RHEL7
Configure name resolution	/etc/hosts /etc/resolv.conf	/etc/hosts
/etc/resolv.conf
nmcli con mod
Configure hostname	/etc/sysconfig/network	/etc/hostname
hostnamectl
nmtui
View network interface info	ip addr ifconfig brctl	ip addr
nmcli dev show
teamdctl
brctl
bridge
Configure network interface	/etc/sysconfig/network-scripts/ifcfg-*	/etc/sysconfig/network-scripts/ifcfg-*
nmcli con [add\|mod\|edit]
nmtui
nm-connection-editor
Configure firewall	iptables & ip6tables /etc/sysconfig/ip*tables system-config-firewall	firewall-cmd firewall-config
View ports/sockets	netstat ss lsof	ss lsof

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