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  • h3>

    CentOS7安装vncserver(启动失败及连接黑屏解决办法)


    文章摘要: CentOS7安装vncserver(启动失败及连接黑屏解决办法)


    文章TAG: vncserver centos7

    一.安装
     
    以root用户运行以下命令来安装vncserver;
     
    yum install tigervnc-server 
     
    同样运行以下命令来安装vncviewer;
     
    yum install vnc
     
    停止并禁用防火墙;
     
    systemctl stop firewalld.service
     
    systemctl disable firewalld.service
     
    二.配置
     
    vncviewer基本上不用配置;
     
    vncserver的配置,创建一个新的配置文件,以开启1号窗口为例(也可以同时开启多个窗口,修改数字即可),方法如下:
     
    cp /lib/systemd/system/vncserver@.service /lib/systemd/system/vncserver@:1.service
     
    或者再增加一个窗口:
     
    cp /lib/systemd/system/vncserver@.service /lib/systemd/system/vncserver@:2.service
     
    编辑/lib/systemd/system/vncserver@:1.service,设置用户root相关参数,最终内容如下:
     
    [Unit]
    Description=Remote desktop service (VNC)
    After=syslog.target network.target
    [Service]
    Type=forking
    # Clean any existing files in /tmp/.X11-unix environment
    ExecStartPre=/bin/sh -c '/usr/bin/vncserver -kill %i > /dev/null 2>&1 || :'
    ExecStart=/sbin/runuser -l root -c "/usr/bin/vncserver %i"
    PIDFile=/root/.vnc/%H%i.pid
    ExecStop=/bin/sh -c '/usr/bin/vncserver -kill %i > /dev/null 2>&1 || :'
    1.设置为非root用户报错:
    [root@localhost system]# systemctl status -l vncserver@:2.service
    vncserver@:2.service - Remote desktop service (VNC)
    Loaded: loaded (/etc/systemd/system/vncserver@:2.service; enabled; vendor preset:
    disabled)
    Active: failed (Result: exit-code) since 一 2016-04-25 19:07:23 CST; 7s ago
    Process: 10305 ExecStart=/usr/sbin/runuser -l fang -c /usr/bin/vncserver %i (code=exited,
    status=1/FAILURE)
    Process: 10291 ExecStartPre=/bin/sh -c /usr/bin/vncserver -kill %i > /dev/null 2>&1 || :
    (code=exited, status=0/SUCCESS)
    
4月 25 19:07:23 localhost.localdomain systemd[1]: Starting Remote desktop service (VNC)...
    4月 25 19:07:23 localhost.localdomain systemd[1]: vncserver@:2.service: control process
    exited, code=exited status=1
    4月 25 19:07:23 localhost.localdomain systemd[1]: Failed to start Remote desktop service
    (VNC).
    4月 25 19:07:23 localhost.localdomain systemd[1]: Unit vncserver@:2.service entered failed
    state.
    4月 25 19:07:23 localhost.localdomain systemd[1]: vncserver@:2.service failed.
     
    2.Type=forking报错,改为Type=simple
     
    [root@localhost system]# systemctl start vncserver@:2.service
    Job for vncserver@:2.service failed because the control process exited with error code. See
    "systemctl status vncserver@:2.service" and "journalctl -xe" for details.
    [root@localhost system]# systemctl status -l vncserver@:2.service
    ● vncserver@:2.service - Remote desktop service (VNC)
    Loaded: loaded (/etc/systemd/system/vncserver@:2.service; enabled; vendor preset:
    disabled)
    Active: failed (Result: exit-code) since 一 2016-04-25 19:09:41 CST; 6s ago
    Process: 12367 ExecStart=/usr/sbin/runuser -l root -c /usr/bin/vncserver %i (code=exited,
    status=98)
    Process: 12354 ExecStartPre=/bin/sh -c /usr/bin/vncserver -kill %i > /dev/null 2>&1 || :
    (code=exited, status=0/SUCCESS)
    
4月 25 19:09:41 localhost.localdomain systemd[1]: Starting Remote desktop service (VNC)...
    4月 25 19:09:41 localhost.localdomain systemd[1]: vncserver@:2.service: control process
    exited, code=exited status=98
    4月 25 19:09:41 localhost.localdomain systemd[1]: Failed to start Remote desktop service
    (VNC).
    4月 25 19:09:41 localhost.localdomain systemd[1]: Unit vncserver@:2.service entered failed
    state.
    4月 25 19:09:41 localhost.localdomain systemd[1]: vncserver@:2.service failed.
     
    3.vnc viewer客户端连接黑屏
     
     
     
    改变xstartup的权限
     
    这个问题是很多人容易忽视的问题,也是造成连接成功后黑屏的原因之一。
     
    在CentOS中,xstartup的文件路径为:/root/.vnc/ (可以通过locate xstartup来查看xstartup的文件路径)
     
    所以需要执行:chmod 777 /root/.vnc/xstartup
     
    关闭防火墙
     
     
     
    systemctl stop firewalld.service #停止
    systemctl disable firewalld.service #禁用
     
     
     
     
    三.应用
     
    更新systemctl以使其生效;
     
    systemctl daemon-reload 
     
    设置vncserver的密码;
     
     vncpasswd root
     
    按提示输入密码以及确认密码
     
    启动该服务用来启用vnc的1号窗口;
     
    systemctl start vncserver@:1.service  或者 vncserver :1
     
    关闭1号窗口:
     
    systemctl stop vncserver@:1.service   或者 vncserver -kill :1
     
    设置为开机自动启动;
     
    systemctl enable vncserver@:1.service


    vi /usr/bin/vncserver

    /1024 找到默认的1024*768修改为 :1680*1050

    reboot 重启