linux/CentOS7-1_configuration at main · 237summit/linux · GitHub

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네트워크 구성
# cat > /etc/sysconfig/network-scripts/ifcfg-ens33
TYPE=Ethernet
BOOTPROTO=static
NAME=ens33
DEVICE=ens33
ONBOOT=yes
IPADDR=10.0.0.1
NETMASK=255.255.255.0
GATEWAY=10.0.0.254
DNS1=168.126.63.1
DNS2=8.8.8.8
<Ctrl>+<d>

# systemctl restart network

# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: ens33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 00:0c:29:ee:7c:d6 brd ff:ff:ff:ff:ff:ff
    inet 10.0.0.1/24 brd 10.0.0.255 scope global noprefixroute ens33
       valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:feee:7cd6/64 scope link
       valid_lft forever preferred_lft forever


# cat > /etc/hostname
centos7-1.example.com
<Ctrl>+<d>

# reboot

--- Clone ---

# cat > /etc/sysconfig/network-scripts/ifcfg-ens33
TYPE=Ethernet
BOOTPROTO=static
NAME=ens33
DEVICE=ens33
ONBOOT=yes
IPADDR=10.0.0.2
NETMASK=255.255.255.0
GATEWAY=10.0.0.254
DNS1=168.126.63.1
DNS2=8.8.8.8
<Ctrl>+<d>

# cat > /etc/hostname
centos7-2.example.com
<Ctrl>+<d>

# systemctl restart network

전원 껐다 키기
- 로그인후
# ip addr