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Centos7与Centos6.x有了很大的不同。
为了给一台服务器装上远程桌面,走了不少弯路。写这篇博文,纯粹为了记录,以后如果遇到相同问题,可以追溯。
1、假定你的系统没有安装vnc的任何软件,那么,首先安装vnc
yum -y install tigervnc-server tigervnc
2、Centos7之前的系统,如果安装vnc一般都需要配置
[root@localhost ~]# cat /etc/sysconfig/vncservers # THIS FILE HAS BEEN REPLACED BY /lib/systemd/system/vncserver@.service
但是,如上所述,Centos7需要配置的文件在
[root@localhost ~]# ll /lib/systemd/system/vncserver@.service -rw-r--r--. 1 root root 1744 Jun 10 14:15 /lib/systemd/system/vncserver@.service
3、文件内有如下提示
# Quick HowTo: # 1. Copy this file to /etc/systemd/system/vncserver@:<display>.service # 2. Edit <USER> and vncserver parameters appropriately # ("runuser -l <USER> -c /usr/bin/vncserver %i -arg1 -arg2") # 3. Run `systemctl daemon-reload` # 4. Run `systemctl enable vncserver@:<display>.service
4、复制一份文件,并改名为vncserver@:1.service
[root@localhost ~]# cp /lib/systemd/system/vncserver@.service/lib/systemd/system/vncserver@:1.service
5、将文件中的<User>用你当前的用户替换,将%i替换为1
[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 :1 > /dev/null 2>&1 || :' ExecStart=/sbin/runuser -l root -c "/usr/bin/vncserver :1 -geometry 1280x720 -depth 24" PIDFile=/root/.vnc/%H%i.pid ExecStop=/bin/sh -c '/usr/bin/vncserver -kill :1 > /dev/null 2>&1 || :' [Install] WantedBy=multi-user.target
6、更新systemctl
systemctl daemon-reload
7、设置为自动启动
systemctl enable vncserver@:1.service
8、启动vnc服务
systemctl start vncserver@:1.service
9、在iptables中加入对应的端口5901(注意,如果有其他用户,那么也需要将端口加上。vnc的端口默认是5900 + n)
[root@localhost system]# cat /etc/sysconfig/iptables # sample configuration for iptables service # you can edit this manually or use system-config-firewall # please do not ask us to add additional ports/services to this default configuration *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT -A INPUT -p icmp -j ACCEPT -A INPUT -i lo -j ACCEPT -A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT -A INPUT -p tcp -m state --state NEW -m tcp --dport 5901 -j ACCEPT -A INPUT -j REJECT --reject-with icmp-host-prohibited -A FORWARD -j REJECT --reject-with icmp-host-prohibited COMMIT
注意:
1、如果你不配置和启用防火墙,此时用VNC Viewer连接的话,会报:"connect:Connection timed out(10060)"错误。