RHEL 6 和 RHEL 7 之间的变化(部分内容)

简介:


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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