View difference between Paste ID: 7WHh7Pd3 and ugtzaxYp

 mkdir /temp
 cd /temp
 touch lusca_install.sh
 chmod +x lusca_install.sh
 nano lusca_install.sh
 
 and paste the following code . . .
 
 #!/bin/bash
 # Version 1.0 / 2nd July, 2014
 # LUSCA r14942 Automated Installation Script for Ubuntu flavor / asd
 #KALTERSIA
 
 # Setting Variables . . . [asd]
 
 URL=http://wifismartzone.com/files/linux_related/lusca
 SQUID_DIR="/etc/squid"
 CACHE_DIR="/cache-1"
 pid=`pidof squid`
 osver=`cat /etc/issue |awk '{print $1}'`
 squidlabel="LUSCA_HEAD-r14942"
 
 # Colors Config  . . . [[ asd . . . ]]
 ESC_SEQ="\x1b["
 COL_RESET=$ESC_SEQ"39;49;00m"
 COL_RED=$ESC_SEQ"31;01m"
 COL_GREEN=$ESC_SEQ"32;01m"
 
 # OS checkup for UBUNTU
 echo -e "$COL_GREEN Lusca r14942 Automated Installation Script ver 1.0 for Ubuntu . . .$COL_RESET"
 echo -e "$COL_GREEN Checking OS version, as it must be Ubuntu in order to Continue . . .$COL_RESET"
 if [[ $osver == Ubuntu ]]; then
 echo
 echo -e "$COL_GREEN Ubuntu is installed with following information fetched. $COL_RESET"
 lsb_release -a
 sleep 3
 else
 echo -e "$COL_RED Sorry, it seems your Linux Distribution is not UBUNTU . Exiting ...$COL_RESET"
 exit 1
 fi
 
 # Make sure only root can run our script / Checking if user is root, otherwise exit with error [[asd]]
 echo
 echo -e "$COL_GREEN Verifying if you are logged in with root privileges  . . .$COL_RESET" 1>&2
 FILE="/tmp/out.$$"
 GREP="/bin/grep"
 if [ "$(id -u)" != "0" ]; then
 echo
 echo -e "$COL_RED This script must be run as root, switch to root now . . .$COL_RESET" 1>&2
 exit 1
 fi
 
 # Clearing previous download if any in /tmp folder
 echo
 echo -e "$COL_GREEN Clearing previous downloads if any in /tmp folder to avoid duplication$COL_RESET"
 sleep 3
 
 rm -fr /tmp/squid.conf
 rm -fr /tmp/storeurl.txt
 rm -fr /tmp/storeurl.pl
 rm -fr /tmp/LUSCA_HEAD-r14942*
 
 # Checking IF $URL is accessible m if YES then continue further , otherwise EXIT the script with ERROR ! [[ asd .. . .]]
 echo
 echo -e "$COL_GREEN Checking if $URL is accessible in order to proceed further. . .!! $COL_RESET"
 cd /tmp
 wget -q $URL/squid.conf
 {
 if [ ! -f /tmp/squid.conf ]; then
 echo
 echo -e "$COL_RED ERROR: Unable to contact $URL, or possibly internet is not working or your IP is in black list at destination server  !! $COL_RESET"
 echo -e "$COL_RED ERROR: Please check manual if $URL is accessible or not or if it have required files, asd  !! $COL_RESET"
 exit 0
 fi
 }
 rm -fr /tmp/squid.conf
 sleep 6
 # Moving further . . .
 
 clear
 echo -e "$COL_GREEN You are logged in with root ID, Ok to proceed further . . .!! $COL_RESET"
 echo
 
 ################################################################## [zaib]
 echo
 echo -e "$COL_GREEN Updating Ubuntu first . . . !! $COL_RESET"
 apt-get update
 echo
 echo
 echo -e "$COL_GREEN Installing required components . . . !! $COL_RESET"
 sleep 3
 apt-get install  -y gcc  build-essential   libstdc++6   unzip    bzip2   sharutils  ccze  libzip-dev  automake1.9  libfile-readbackwards-perl  dnsmasq
 
 # Clearing OLD data files . . .
 {
 if [ -f $SQUID_DIR/squid.conf ]; then
 echo
 echo
 echo -e "$COL_RED Previous SQUID configuration file found in $SQUID_DIR ! renaming it for backup purpose . . . $COL_RESET"
 mv $SQUID_DIR/squid.conf $SQUID_DIR/squid.conf.old
 else
 echo
 echo
 echo -e "$COL_GREEN No Previous Squid configuration have been found in $SQUID_DIR. Proceeding further $COL_RESET"
 fi
 }
 
 # Checking SQUID status if its already running - check by PID
 if [ "$pid" == "" ]; then
 echo
 echo
 echo -e "$COL_GREEN No SQUID instance found in memory , so it seems we are good to GO !!! $COL_RESET"
 else
 echo
 echo -e "$COL_RED SQUID is already running, probably you have some previous copy of SQUID installation, Better to stop and remove all previous squid installation !! $COL_RESET"
 echo
 echo -e "$COL_RED KILLING PREVIOUS SQUID INSTANCE by killall -9 squid command  !! $COL_RESET"
 killall -9 squid
 sleep 3
 fi
 
 # Downloading Squid source package [zaib]
 echo
 echo
 echo -e "$COL_GREEN Downloading SQUID source package in /tmp folder. . . !! $COL_RESET"
 sleep 3
 
 # Checking if /tmp folder is previously present or not . . .
 {
 if [ ! -d "/tmp" ]; then
 echo
 echo
 echo -e "$COL_RED /tmp folder not found, Creating it so all downloads will be placed here  . . . $COL_RESET"
 mkdir /tmp
 else
 echo
 echo -e "$COL_GREEN /tmp folder is already present , so no need to create it, Proceeding further . . . $COL_RESET"
 fi
 }
 
 cd /tmp
 
 # Checking IF LUSCA_HEAD-r14942.tar.gz  installation file have been ALREADY downloaded in /tmp to avoid duplication! [[ asd .. . .]]
 {
 if [ -f /tmp/LUSCA_HEAD-r14942.tar.gz ]; then
 rm -fr /tmp/LUSCA_HEAD-r14942.tar.gz
 fi
 }
 
 wget -c http://wifismartzone.com/files/linux_related/lusca/LUSCA_HEAD-r14942.tar.gz
 
 # Checking IF LUSCA_HEAD-r14942 installation file have been downloaded properly. if YEs continue further , otherwise EXIT the script with ERROR ! [[ asd .. . .]]
 {
 if [ ! -f /tmp/LUSCA_HEAD-r14942.tar.gz ]; then
 echo
 echo
 
 echo -e "$COL_RED ERROR: SQUID source code package File could not be download or not found in /tmp/ !! $COL_RESET"
 exit 0
 fi
 }
 echo
 echo
 
 echo -e "$COL_GREEN Extracting Squid from tar archive. . . !! $COL_RESET"
 sleep 3
 tar zxvf LUSCA_HEAD-r14942.tar.gz
 cd LUSCA_HEAD-r14942/
 mkdir /etc/squid
 
 echo -e "$COL_GREEN Executing $squidlabel Compiler [asd] . . . !! $COL_RESET"
 echo
 cd /tmp/LUSCA_HEAD-r14942
 ./configure --prefix=/usr --exec_prefix=/usr --bindir=/usr/sbin --sbindir=/usr/sbin --libexecdir=/usr/lib/squid --sysconfdir=/etc/squid --localstatedir=/var/spool/squid --datadir=/usr/share/squid --enable-async-io=24 --with-aufs-threads=24 --with-pthreads --enable-storeio=aufs --enable-linux-netfilter --enable-arp-acl --enable-epoll --enable-removal-policies=heap --with-aio --with-dl --enable-snmp --enable-delay-pools --enable-htcp --enable-cache-digests --disable-unlinkd --enable-large-cache-files --with-large-files --enable-err-languages=English --enable-default-err-language=English --enable-referer-log --with-maxfd=65536
 echo
 echo -e "$COL_GREEN Executing MAKE and MAKE INSTALL commands . . . !! $COL_RESET"
 sleep 3
 make
 make install
 echo
 echo
 echo -e "$COL_GREEN Creating SQUID LOGS folder and assiging permissions . . . !! $COL_RESET"
 sleep 3
 
 # Checking if log folder is previously present or not . . .
 {
 if [ -d "/var/log/squid" ]; then
 echo
 echo
 echo -e "$COL_GREEN LOGS folder found. No need to create, proceeding Further . . . $COL_RESET"
 else
 echo
 echo
 echo -e "$COL_GREEN Creating LOG Folder in /var/log/squid and setting permissions accordingly (to user proxy) $COL_RESET"
 mkdir /var/log/squid
 fi
 }
 chown proxy:proxy /var/log/squid
 ## ** DOWNLOAD SQUID.CONF
 echo
 echo
 echo -e "$COL_GREEN Downloading SQUID.CONF file from $URL and copy it to $SQUID_DIR. . . !! $COL_RESET"
 sleep 3
 
 # Checking IF SQUID.CONF File have been ALREADY downloaded in /tmp to avoid duplication! [[ asd .. . .]]
 {
 if [ -f /tmp/squid.conf ]; then
 rm -fr /tmp/squid.conf
 fi
 }
 
 cd /tmp
 wget $URL/squid.conf
 
 # Checking IF SQUID.CONF file have been downloaded. if YEs continue further , otherwise EXIT the script with ERROR ! [[ asd .. . .]]
 {
 if [ ! -f /tmp/squid.conf ]; then
 echo
 echo
 echo -e "$COL_RED ERROR: SQUID.CONF File could not be download or not found in /tmp/ !! $COL_RESET"
 exit 0
 fi
 }
 cp -fr squid.conf $SQUID_DIR
 
 ## ** DOWNLOAD SQUID.CONF
 echo
 echo
 echo -e "$COL_GREEN Downloading STOREURL.PL file from $URL and copy it to $SQUID_DIR. . . !! $COL_RESET"
 sleep 3
 cd /tmp
 
 {
 if [ -f /tmp/storeurl.txt ]; then
 rm -fr /tmp/storeurl.txt
 fi
 }
 
 wget $URL/storeurl.txt
 
 {
 if [ -f /tmp/storeurl.pl ]; then
 rm -fr /tmp/storeurl.pl
 fi
 }
 
 mv storeurl.txt storeurl.pl
 
 # Checking IF STOREURL.PL file have been downloaded. if YEs continue further , otherwise EXIT the script with ERROR ! [[ asd .. . .]]
 {
 if [ ! -f /tmp/storeurl.pl ]; then
 echo
 echo
 echo -e "$COL_RED ERROR: STOREURL.PL File could not be download or not found in /tmp/ !! $COL_RESET"
 exit 0
 fi
 }
 cp -fr storeurl.pl $SQUID_DIR
 
 echo
 echo
 echo -e "$COL_GREEN Setting EXECUTE permission for storeurl.pl . . . !! $COL_RESET"
 chmod +x $SQUID_DIR/storeurl.pl
 
 # Creating CACHE folders
 echo
 echo
 echo -e "$COL_GREEN Creating CACHE directory in $CACHE_DIR , in this example,I used 5GB for cache for test ,Adjust it accordingly  . . . !! $COL_RESET"
 sleep 3
 
 # Checking if /cache-1 folder exist  . . .
 {
 if [ ! -d "$CACHE_DIR" ]; then
 echo
 echo
 echo -e "$COL_GREEN Creating cache folder in $CACHE_DIR , Default size is 5GB, you should set it accordingly to your requirements  . . . $COL_RESET"
 mkdir $CACHE_DIR
 chown proxy:proxy $CACHE_DIR
 chmod 777 -R $CACHE_DIR
 squid -z
 else
 echo
 echo -e "$COL_RED $CACHE_DIR folder already exists , Clearing it before proceeding. . . $COL_RESET"
 rm -fr $CACHE_DIR/*
 chown proxy:proxy $CACHE_DIR
 echo -e "$COL_GREEN $CACHE_DIR Initializing Cache Directories as per the config  . . . $COL_RESET"
 echo
 squid -z
 chmod 777 -R $CACHE_DIR
 fi
 }
 
 echo
 echo
 echo -e "$COL_GREEN Adding squid in /etc/rc.local for auto startup . . . !! $COL_RESET"
 sed -i '/exit/d' /etc/rc.local
 sed -i '/[/usr\/sbin\/squid]/d' /etc/rc.local
 echo /usr/sbin/squid >> /etc/rc.local
 echo exit 0 >> /etc/rc.local
 echo
 echo -e "$COL_GREEN Starting SQUID (and adding 10 seconds Pause for proper initialization). . . !! $COL_RESET"
 squid
 sleep 5
 
 # Checking SQUID status via PID [zaib]
 #if [ "$pid" == "" ]; then
 #echo
 #echo -e "$COL_RED ERROR: UNABLE to start SQUID, try to run with -d1N syntax and see where its showing error !! $COL_RESET"
 #else
 ps aux |grep squid
 echo
-echo
+
 echo
 echo To view squid web access activity log, use command
 echo -e "$COL_GREEN tail -f /var/log/squid/access.log $COL_RESET"
 echo OR
 echo -e "$COL_GREEN tail -f /var/log/squid/access.log |ccze $COL_RESET"
 echo
 echo -e "$COL_GREEN Regard's / KALTERSIA . . . !! $COL_RESET"
 echo
 # END
 
 now execute the script by running
 /lusca_install.sh