Configuring VNC-SERVER And Squid Proxy Server in CentOS

Configuring VNC-SERVER And Squid Proxy Server in CentOS (32 & 64) based VPS
Installing GUI based Gnome-Desktop, squid, vnc, vnc-server, firefox in centos based VPS
NOTE :-

# stands for comment
$ denotes sshell commands

1st. Open SSH of your VPS with your Favorite SSH client.

2nd. In Shell Prompt >_ Write commands as described below.

Code:

$ yum update -y

Phase of Installing All Products...

Code:

$ yum groupinstall gnome-desktop -y

# This will install 4 apps at once !
# 1 squid is advance proxy server
# 2 vnc is vnc viewer client
# 3 vnc-server is VNC server to operate remove computer's GUI interface of gnome from your desk.
# 4 firefox will unlease speed of internet as it is installed in VPS !

Code:

$ yum install squid vnc vnc-server firefox -y

# Configuring VNC-SERVER in CentOS based VPS....

# Set Your VNC Password For login..

Code:

$ vncpasswd

# Start vncserver to generate default config files...

Code:

$ vncserver

# As files are generated, we need to terminate vnc process(s) in order to make custom gnome configs..

Code:

$ pkill vncserver
$ pkill Xvnc
$ reboot

# Add gnome based configuration in this FILE via 'vi' editor..
# -To Edit Or Insert Text in vi editor Press 'i'
# -To Save Modified File Press 'Esc' > ':wq'
# -To Quit With-Out Saving 'Esc' > ':q!'
# -To break vi process 'Ctrl + C'

Code:

$ vi ~/.vnc/xstartup

# Add below code into file 'xstartup'
-- CUT - PASTE--

PHP Code:

#!/bin/sh
  ( while true; do xterm; done ) &
  # 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 $HOME/.Xresources
xsetroot -solid grey
vncconfig -iconic & xterm -geometry 1024x768 -ls -name "$VNCDESKTOP Desktop" & gnome-session & 

-- CUT PASTE--




# To auto-start vnc server each time system boot.

Code:

$ chkconfig vncserver on

# To start vnc-server at a time.

Code:

$ service vncserver start

Now open vnc-viewer in your desktop and give IP of vps with :1
i.e 42.23.1.4:1
where :1 is port 5901 by default used by vnc-server in linux


# Configuring Squid Proxy Server in CentOS (32 & 64) based VPS....



# Switch to squid directory

Code:

$ cd /etc/squid

# move default squid configuration as a backup file !

Code:

$ mv squid.conf squid.conf.backup

# Receive Pre-made squid.conf file..

Code:

$ wget http://pastebin.com/download.php?i=Y8j35JS9 --output-document=/etc/squid/squid.conf

-- NOTE | Caution --
Change directives like mentioned below for confort !
.
.
.

# Change the default port 3128 to 8080 or 80 ! as per your need.

Code:

http_port 3128

# Check ur ip > tracemyip.org
# You should add your own range to get access to proxy server Or else it will show unauthorised access...

Code:

acl range_airtel src 122.0.0.0/255.0.0.0

...

http_access allow range_airtel

i.e.

Code:

acl range_US src 209.0.0.0/255.0.0.0

...

http_access allow range_US

.
.
-- End of NOTE | Caution --
_


# Make SQUID as service AS it should start at system-start (boot time)

Code:

$ chkconfig squid on

# Starting squid proxy server

Code:

$ service squid start

# Cross-Verify listening post via below command

Code:

$ netstat -tulpn | grep 3128

open your browser & set proxy IP & PORT in your browser & Bingo!
i.e IP: 42.23.1.4 Port: 3128