Linux VncServer 配置

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最新推荐文章于 2025-03-26 12:51:15 发布

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Linux VncServer 配置

在Linux操作系统最流行的图形化操作软件是VNC,正如windows下的mstsc远程桌面，在大多数 Linux 发行版都带了 VNC Server 的发行包,通过rpm -qa|grep vnc检查，若没有，下载rpm包进行安装即可.

1.[root@localhost ~]# rpm -qa|grep vnc
vnc-4.1.2-14.el5_3.1
vnc-server-4.1.2-14.el5_3.1

2.启动服务器端的VNC 服务

[root@localhost ~]# /etc/init.d/vncserver start
Starting VNC server: [ OK ]

3.运行 vncserver 命令，如果第一次配置 VNC Server，会要求提供登录 VNC 使用的密码。以后也可以使用 vncpasswd 来修改密码。

[root@localhost ~]# vncserver
You will require a password to access your desktops.

Password:
Verify:

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

4.修改配置文件 /root/.vnc/xstartup

[root@localhost ~]# cat /root/.vnc/xstartup ，如下两行的注释去掉.
#!/bin/sh

# Uncomment the following two lines for normal desktop:
unset SESSION_MANAGER
exec /etc/X11/xinit/xinitrc

[ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup
[ -r $HOME/.Xresources ] && xrdb $HOME/.Xresources
xsetroot -solid grey
vncconfig -iconic &
xterm -geometry 80×24+10+10 -ls -title “$VNCDESKTOP Desktop” &
twm &

5.在 Windows 使用 VNC Viewer 登录了

输入服务器地址：ip:1
然后提示输入密码，输入你刚才设定的密码就好了.
注意：IP 地址后面的 :1 的意思是 Linux 上面 VNC 设定的 Display No. 每运行一个 vncserver 就会多创建一个 Display，Display No 也就会加1。

6.在 SSH终端中输入 vncserver，让 VNC 打开一个新的 Display

[root@localhost ~]# vncserver

New ‘localhost.localdomain:2 (root)’ desktop is localhost.localdomain:2

Starting applications specified in /root/.vnc/xstartup
Log file is /root/.vnc/localhost.localdomain:2.log

附一些常见的问题：

VNC Viewer下载地址:http://download.youkuaiyun.com/source/1080853

以后如果服务器重新启动过，就要重新输入 vncserver 后才能登录。如果服务器一直没有重启过，就不用了。如果要杀掉 vncserver 进程，可执行 vncserver :1 kill ，1表示 display 的 ID 号。

(1) 重设VNC密码
[root@localhost ~]# vncpasswd
Password:
Verify:
(2) 启动和kill vncserver
[root@localhost ~]# vncserver :23

New ‘localhost.localdomain:23 (root)’ desktop is localhost.localdomain:23

Starting applications specified in /root/.vnc/xstartup
Log file is /root/.vnc/localhost.localdomain:23.log

如下:kill display 的 ID 1,1的pid是:6653
[root@localhost ~]# ps -auxwf|grep vnc|grep -v grep
Warning: bad syntax, perhaps a bogus ‘-’? See /usr/share/doc/procps-3.2.7/FAQ
root      6653 0.0 1.3 13660 6836 pts/0    S    04:44   0:00 Xvnc :1 -desktop localhost.localdomain:1 (root) -httpd /usr/share/vnc/classes -auth /root/.Xauthority -geometry 1024×768 -depth 16 -rfbwait 30000 -rfbauth /root/.vnc/passwd -rfbport 5901 -pn
root      6661 0.0 0.2   4276 1304 pts/0    S    04:44   0:00 vncconfig -iconic
root      6716 0.1 2.1 20972 11276 pts/0    S    04:51   0:01 Xvnc :2 -desktop localhost.localdomain:2 (root) -httpd /usr/share/vnc/classes -auth /root/.Xauthority -geometry 1024×768 -depth 16 -rfbwait 30000 -rfbauth /root/.vnc/passwd -rfbport 5902 -pn
root      6936 0.4 2.1 20856 11116 pts/0    S    05:06   0:00 Xvnc :23 -desktop localhost.localdomain:23 (root) -httpd /usr/share/vnc/classes -auth /root/.Xauthority -geometry 1024×768 -depth 16 -rfbwait 30000 -rfbauth /root/.vnc/passwd -rfbport 5923 -pn
[root@localhost ~]# kill -9 6653
[root@localhost ~]# ps -auxwf|grep vnc|grep -v grep
Warning: bad syntax, perhaps a bogus ‘-’? See /usr/share/doc/procps-3.2.7/FAQ
root      6716 0.1 2.1 20972 11276 pts/0    S    04:51   0:01 Xvnc :2 -desktop localhost.localdomain:2 (root) -httpd /usr/share/vnc/classes -auth /root/.Xauthority -geometry 1024×768 -depth 16 -rfbwait 30000 -rfbauth /root/.vnc/passwd -rfbport 5902 -pn
root      6936 0.3 2.1 20856 11116 pts/0    S    05:06   0:00 Xvnc :23 -desktop localhost.localdomain:23 (root) -httpd /usr/share/vnc/classes -auth /root/.Xauthority -geometry 1024×768 -depth 16 -rfbwait 30000 -rfbauth /root/.vnc/passwd -rfbport 5923 -pn

当然，vncserver -kill :2也可以了，
[root@localhost ~]# vncserver -kill :2
Killing Xvnc process ID 6716
[root@localhost ~]# ps -auxwf|grep vnc|grep -v grep
Warning: bad syntax, perhaps a bogus ‘-’? See /usr/share/doc/procps-3.2.7/FAQ
root 6936 0.2 2.1 20856 11116 pts/0 S 05:06 0:00 Xvnc :23 -desktop localhost.localdomain:23 (root) -httpd /usr/share/vnc/classes -auth /root/.Xauthority -geometry 1024×768 -depth 16 -rfbwait 30000 -rfbauth /root/.vnc/passwd -rfbport 5923 -pn

（3）重新启动一个手动kill的vncserver

[root@localhost ~]# vncserver :1

Warning: localhost.localdomain:1 is taken because of /tmp/.X1-lock
Remove this file if there is no X server localhost.localdomain:1
A VNC server is already running as :1
[root@localhost ~]# rm -rf /tmp/.X1-lock
[root@localhost ~]# vncserver :1

Warning: localhost.localdomain:1 is taken because of /tmp/.X11-unix/X1
Remove this file if there is no X server localhost.localdomain:1
A VNC server is already running as :1
[root@localhost ~]# rm -rf /tmp/.X11-unix/X1
[root@localhost ~]# vncserver :1

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

[root@localhost ~]#
[root@localhost ~]# ps -auxwf|grep vnc|grep -v grep
Warning: bad syntax, perhaps a bogus ‘-’? See /usr/share/doc/procps-3.2.7/FAQ
root 6936 0.0 2.4 22296 12680 pts/0 S 05:06 0:00 Xvnc :23 -desktop localhost.localdomain:23 (root) -httpd /usr/share/vnc/classes -auth /root/.Xauthority -geometry 1024×768 -depth 16 -rfbwait 30000 -rfbauth /root/.vnc/passwd -rfbport 5923 -pn
root 7337 1.0 2.1 20252 10856 pts/0 S 05:19 0:00 Xvnc :1 -desktop localhost.localdomain:1 (root) -httpd /usr/share/vnc/classes -auth /root/.Xauthority -geometry 1024×768 -depth 16 -rfbwait 30000 -rfbauth /root/.vnc/passwd -rfbport 5901 -pn

说明:因是手动删除的，所以也要把.lock删除掉，才能重新启动了.

(4).VNC服务使用的端口号与桌面号的关系

VNC服务使用的端口号与桌面号相关，VNC使用TCP端口从5900开始，对应关系如下

桌面号为“1” —- 端口号为5901

桌面号为“2” —- 端口号为5902

桌面号为“3” —- 端口号为5903

……

基于Java的VNC客户程序Web服务TCP端口从5800开始，也是与桌面号相关，对应关系如下

桌面号为“1” —- 端口号为5801

桌面号为“2” —- 端口号为5802

桌面号为“3” —- 端口号为5803

……