How to configure VNC Server in RHEL6 ?
Disable nm controlled network management. vi /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE="eth0" NM_CONTROLLED="no" ONBOOT="no" HWADDR=00:0C:29:AA:10:3D TYPE=Ethernet BOOTPROTO=none IPADDR=192.168.1.30 PREFIX=24 GATEWAY=192.168.1.1 DEFROUTE=yes IPV4_FAILURE_FATAL=yes IPV6INIT=no Disable firewall using system-config-firewall-tui Disable selinux [root@canada ~]# getenforce Enforcing vi /etc/selinux/config # This file controls the state of SELinux on the system. # SELINUX= can take one of these three values: # enforcing - SELinux security policy is enforced. # permissive - SELinux prints warnings instead of enforcing. # disabled - No SELinux policy is loaded. SELINUX=disabled # SELINUXTYPE= can take one of these two values: # targeted - Targeted processes are protected, # mls - Multi Level Security protection. SELINUXTYPE=targeted Restart System init 6 ifup eth0 Network Configuration vi /etc/hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 192.168.1.30 canada canada ifdown eth0 ifup eth0 Install vncserver yum install *vnc* Configure it. Uncomment the highlighted section & also provide a valid username. 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 this URL: # http://kbase.redhat.com/faq/docs/DOC-7028 # Use "-nolisten tcp" to prevent X connections to your VNC server via TCP. # 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:root" VNCSERVERARGS[2]="-geometry 800x600 -nolisten tcp -localhost" Provide password for vncserver. [root@canada Desktop]# vncpasswd Password: Verify: Restart vncserver. [root@canada Desktop]# service vncserver restart Shutting down VNC server: [ OK ] Starting VNC server: 2:root xauth: creating new authority file /root/.Xauthority New 'canada:2 (root)' desktop is canada:2 Creating default startup script /root/.vnc/xstartup Starting applications specified in /root/.vnc/xstartup Log file is /root/.vnc/canada:2.log [ OK ] [root@canada Desktop]# vncserver -kill :2 [root@canada Desktop]# chkconfig vncserver on [root@canada Desktop]# chkconfig vncserver --list vncserver 0:off 1:off 2:on 3:on 4:on 5:on 6:off [root@canada Desktop]# vncserver :99 New 'canada:99 (root)' desktop is canada:99 Starting applications specified in /root/.vnc/xstartup Log file is /root/.vnc/canada:99.log Now connect through vncviewer 192.168.1.30:99 and for password use what you had give for passwd command.
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