centos6安装vncserver实现图形化访问

一.配置163的yum源1.导入CentOS-6的GPG证书#rpm –import http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-62.让yum使用网易的源：#cd /etc/yum.repos.d/#wget http://mirrors.163.com/.help/CentOS-Base-163.repo3.修改repo文件在所有mirrorlist前面加上#，把所有$releasever替换成6，保存#sed -i ‘/mirrorlist/d’ CentOS-Base-163.repo#sed -i ‘/[addons]/,/^$/d’ CentOS-Base-163.repo#sed -i ‘s/$releasever/6/’ CentOS-Base-163.repo#sed -i ‘s/RPM-GPG-KEY-CentOS-5/RPM-GPG-KEY-CentOS-6/’ CentOS-Base-163.repo4.清理并重新生成yum缓存#yum clean metadata#yum makecache二.安装gnome图形化桌面#yum groupinstall -y “X Window System”#yum groupinstall -y “Desktop”#yum groupinstall -y “Chinese Support”三.安装vncserver并配置1.安装vncserver#yum install -y tigervnc-server2.配置vncserver1).配置为开机自启动#chkconfig –level 345 vncserver on2).配置vnc密码#vncserverYou will require a password to access your desktop.Password:Verify:3).配置为使用gnome桌面修改 /root/.vnc/xstartup文件，把最后的 twm & 删掉 加上 gnome-session &。4).配置vncserver启动后监听端口和环境参数修改/etc/sysconfig/vncservers 文件添加以下内容VNCSERVERS=”1:root”# 桌面号:用户    监听 590* 端口VNCSERVERARGS[1]=”-geometry 1200×800″5).重启vncserver服务#service vncserver restart四.允许root访问图形界面和生成新的machine-id#sed -i ‘s/.*!= root.*/#&/’ /etc/pam.d/gdm#dbus-uuidgen >/var/lib/dbus/machine-id五.关闭selinux和NetworkManager服务1.检查selinux服务并关闭#vi /etc/selinux/config确认里面的SELINUX字段的值是disabled，如果不是则改为disabled。2.关闭NetworkManager服务#chkconfig –del NetworkManager六.测试登录：