RedHat5.4 VNC 配置

1、  首先要配置的是服务端

A 确认服务器端是否安装了vncserver

使用rpm –qa vnc命令如果收到如下信息说明已经安装了vncserver，

[[email protected]: ~]#rpm -qa |grep vnc

gtk-vnc-python-0.3.2-3.el5

vnc-server-4.1.2-14.el5

gtk-vnc-0.3.2-3.el5

vnc-4.1.2-14.el5

B从光盘找到安装包进行安装

首先将光盘挂载(也叫解压)到某个目录这里是在/var/ftp/pub/下面建立了rhel5-64目录

mount –o loop rhel-server-5.3-x86_64-dvd.iso  /var/ftp/pub/rhel5-64/

然后在/var/ftp/pub/rhel5-64/Server目录下找到 vnc-server-4.1.2-14.el5.x86_64.rpm安装包，使用rpm –ivh vnc-server-4.1.2-14.el5.x86_64.rpm命令直接安装；

2.把用户名加入到配置文件中：
[[email protected] ~]# vi /etc/sysconfig/vncservers
# The VNCSERVERS variable is a list of display:user pairs.
#
# Uncomment the lines below to start a VNC server on display :2
# as my ‘myusername‘ (adjust this to your own). You will also
# need to set a VNC password; run ‘man vncpasswd‘ to see how
# to do that.
#
# DO NOT RUN THIS SERVICE if your local area network is
# untrusted! For a secure way of using VNC, see
# <URL:http://www.uk.research.att.com/archive/vnc/sshvnc.html>.

# Use "-nolisten tcp" to prevent X connections to your VNC server via TCP.

# Use "-nohttpd" to prevent web-based VNC clients connecting.

# Use "-localhost" to prevent remote VNC clients connecting except when
# doing so through a secure tunnel. See the "-via" option in the
# `man vncviewer‘ manual page.

# VNCSERVERS="2:myusername"
# VNCSERVERARGS[2]="-geometry 800x600 -nolisten tcp -nohttpd -localhost"
VNCSERVERS="1:root"   #新增部分

3.防火墙端口设置
在使用防火墙的情况下来连接到一个远程系统,需要打开端口5901，然后重启iptables服务。

[[email protected] ~]# vi /etc/sysconfig/iptables
# Firewall configuration written by system-config-securitylevel
# Manual customization of this file is not recommended.
*filter
:INPUT ACCEPT [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 -p 50 -j ACCEPT
-A RH-Firewall-1-INPUT -p 51 -j ACCEPT
-A RH-Firewall-1-INPUT -p udp --dport 5353 -d 224.0.0.251 -j ACCEPT
-A RH-Firewall-1-INPUT -p udp -m udp --dport 631 -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp -m tcp --dport 631 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 21 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m udp -p udp --dport 137 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m udp -p udp --dport 138 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 139 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 445 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 23 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 5901 -j ACCEPT   #新增部分
-A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-prohibited
COMMIT

4.重启iptables服务

[[email protected] ~]# /sbin/service iptables restart
清除防火墙规则：                                           [确定]
把 chains 设置为 ACCEPT 策略：nat filter                   [确定]
正在卸载 Iiptables 模块：                                  [确定]
应用 iptables 防火墙规则：                                 [确定]
载入额外 iptables 模块：ip_conntrack_netbios_ns ip_conntrac[确定]

5.启动vncserver，这时候通过VNC Viewer只能看到终端窗口
[[email protected] ~]# vncserver

You will require a password to access your desktops.

Password:                    #123456
Verify:                          #123456

New ‘localhost.localdomain:1 (root)‘ desktop is localhost.localdomain:1

Creating default startup script. /root/.vnc/xstartup
Starting applications specified in /root/.vnc/xstartup
Log file is /root/.vnc/localhost.localdomain:1.log

5.设置图形界面登录
[[email protected] ~]# vi /root/.vnc/xstartup
#!/bin/sh

# Uncomment the following two lines for normal desktop:
unset SESSION_MANAGER #去掉注释符号‘#’
exec /etc/X11/xinit/xinitrc        #去掉注释符号‘#’

[ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup
[ -r $HOME/.Xresources ] && xrdb $HOME/.Xresources
xsetroot -solid grey
vncconfig -iconic &
xterm -geometry 80x24+10+10 -ls -title "$VNCDESKTOP Desktop" &
#twm &               #注释掉

gnome-session & #新增

6.重启vncserver
[[email protected] ~]# service vncserver restart
关闭 VNC 服务器：1:root                                    [确定]
启动 VNC 服务器：1:root xauth: creating new authority file /root/.Xauthority

New ‘localhost.localdomain:1 (root)‘ desktop is localhost.localdomain:1

Starting applications specified in /root/.vnc/xstartup
Log file is /root/.vnc/localhost.localdomain:1.log

[确定]
[[email protected] ~]#

7.这时再通过客户端就可以登录图形界面了