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1¡¢RootµÇ¼
2¡¢²éip:ifcongfig
3¡¢ÐÞ¸ÄÍøÂçÉèÖÃ
vi /etc/sysconfig/network
NETWORKING=yes
NETWORKING_IPV6=no
HOSTNAME=VirtualBox
vi /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=static
IPADDR=192.168.0.2
NETMASK=255.255.255.0
GATEWAY=192.168.0.1
4¡¢Ìí¼ÓÐÂÓû§ºÍ×¢²áÃÜÂ룺adduser,passwd
5¡¢Ð޸Ŀª»ú·À»ðǽ£ºvi /etc/sysconfig/iptables
# Firewall configuration written by system-config-securitylevel
# Manual customization of this file is not recommended.
*filter
:INPUT DROP[0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:RH-Firewall-1-INPUT - [0:0]
-A INPUT -j RH-Firewall-1-INPUT
-A FORWARD -j RH-Firewall-1-INPUT
-A RH-Firewall-1-INPUT -i lo -j ACCEPT
-A RH-Firewall-1-INPUT -p icmp --icmp-type any -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp -m state --state NEW -m tcp --dport 8080 -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp -m state --state NEW -m tcp --dport 4848 -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp -m state --state NEW -m tcp --dport 3306 -j ACCEPT
-A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-prohibited
COMMIT


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   youlong@ubuntu:~$ sudo fdisk -l
   Disk /dev/sda: 10.7 GB, 10737418240 bytes
   255 heads, 63 sectors/track, 1305 cylinders
   Units = cylinders of 16065 * 51 ......

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 192.168.5.10  rac1
 192.168.5.100 prac1
 10.20.0.10 vrac1
 192.168.5.20 rac2
 192.168.5.200 prac2
 10.20.0.20 vrac2
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 cd /etc/sysconfig/network-scripts
& ......

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