RHCSA7:(2-3) 主机名、ip地址配置(修改ip地址)

RHCSA7:(2-3) 主机名、ip地址配置(修改ip地址)

1题：
e
rd.break
mount -o remount,rw /sysroot
chroot /sysroot
passwd --stdin root
RedHat
touch /.autorelabel
exit
exit

hostnamectl set-hostname server0.example.com
cd /etc/sysconfig/network-scripts
vim ifcfg-eth0
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=static
IPADDR0=172.25.0.11
PREFIX0=24
GATEWAY0=172.25.0.254
DNS1=172.25.254.254
IPV6INIT=yes
IPV6_AUTOCONF=no
IPV6ADDR=2003:AC18::305/64
systemctl restart network
ping 172.25.0.11
ping 172.25.254.254


2题：
getenforce
setenforce 1
getenforce
vim /etc/selinux/config
SELINUX=enforcing

cd /etc/yum.repos.d
ls
rm -rf rhce.repo
vim fang.repo
[FANG]
name=fang
baseurl=http://classroom.example.com/content/rhel7.0/x86_64/dvd/
enabled=1
gpgcheck=0

yum clean all
yum install vsftpd -y