Issue1. Network is unreachable(Connect: 网络不可达)
solution: vi /etc/sysconfig/network-scripts/ifcfg-eth0
change the ONBOOT=no to yes.
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DEVICE=eth0
HWADDR=00:1c:25:b8:e3:37
NM_CONTROLLED=yes
#ONBOOT=no
ONBOOT=yes
BOOTPROTO=dhcp
TYPE=Ethernet
IPV6INIT=no
USERCTL=no
PEERDNS=yes
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Issue2. can not use yum in proxy environment.
Solution A: run the following command:
export http_proxy=http://www-proxy.jp.oracle.com:80
export HTTP_PROXY=http://www-proxy.jp.oracle.com:80
Solution B:
1. create yum_proxy.sh in /etc/profile.d/
2. add the 2 lines in the file:
export http_proxy=http://www-proxy.jp.oracle.com:80
export HTTP_PROXY=http://www-proxy.jp.oracle.com:80
Issue3. VNC Install (VNC 安装)
a. change to root user by issue the command: su -
b. yum install "vnc-server"
c. vi /etc/sysconfig/iptables add the following line in RED
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# Firewall configuration written by system-config-firewall
# Manual customization of this file is not recommended.
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 5901 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
COMMIT
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d. issue the command to start the vnc server:
vncserver :1
f. issue the command to stop the vnc server:
vncserver -kill :1