Tag: CentOS

  • Adding IP Range in CentOS 6

    To add an IP range in CentOS 6 server, create file

    vi /etc/sysconfig/network-scripts/ifcfg-eth0-range0

    Add

    IPADDR_START=67.198.150.171
IPADDR_END=67.198.150.174
CLONENUM_START=0

    Replace IP with your actual start and end IP.

    Restart network service with

    service network restart

  • CentOS

  • Install vnc server on CentOS 5

    NOTE: CentOS 5 reached its End of Life on March 31, 2017. For installing VNC desktop on CentOS 7, see Install Xfce VNC remote desktop on CentOS 7

    Install GUI on Sever

    To find available desktop environments

    yum grouplist

    To install gnome

    yum groupinstall "GNOME Desktop Environment"

    For KDE

    yum groupinstall "KDE (K Desktop Environment)"

    For XFCE, install

    yum groupinstall "XFCE"

    XFCE file size in fedora 12 Total download size: 105 M, Installed size: 363 M

    Install VNC Server

    yum install vnc vnc-server

    Start VNC Server

    [root@pc7 ~]# vncserver

You will require a password to access your desktops.

Password:
Verify:
xauth:  creating new authority file /root/.Xauthority

New 'pc7.localdomain:1 (root)' desktop is pc7.localdomain:1

Creating default startup script /root/.vnc/xstartup
Starting applications specified in /root/.vnc/xstartup
Log file is /root/.vnc/pc7.localdomain:1.log

[root@pc7 ~]#

    Now stop vnc server with

    pkill -9 vnc
rm -rf /tmp/.X*

    Set Password for VNC Server

    vncpasswd /root/.vnc/passwd

    [root@pc7 ~]# vncpasswd /root/.vnc/passwd
Password:
Verify:
[root@pc7 ~]#

    Edit xstartup

    vi  /root/.vnc/xstartup

    Find

    twm &

    Replace it with

    For Gnome

    gnome-session &

    For XFCE

    startxfce4 &

    For KDE

    startkde &

    For FVWM2

    fvwm2 &

    After change, it will look like

    [root@pc7 ~]# cat /root/.vnc/xstartup
#!/bin/sh

vncconfig -iconic &
# 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 $HOME/.Xresources
xsetroot -solid grey
xterm -geometry 80x24+10+10 -ls -title "$VNCDESKTOP Desktop" &
gnome-session &
[root@pc7 ~]#

    Create VNC Users

    vi /etc/sysconfig/vncservers

    Add 

    VNCSERVERS="1:flashwebhost"

    Start VNC Server

    [root@pc7 ~]# vncserver

New 'pc7.localdomain:1 (root)' desktop is pc7.localdomain:1

Starting applications specified in /root/.vnc/xstartup
Log file is /root/.vnc/pc7.localdomain:1.log

[root@pc7 ~]#

    Connecting

    Start tightVNC Viewer, connect to IP-ADDR:1 to connect as user root.

    See VNC server