Configure sifyconnect on linux- Auto Connectivity

Following steps will give you sify client on linux, working with an automatic connectivity, you need to be root.

1. Create a directory where we will be keeping sifyconnect related files or scripts.
   mkdir /usr/src/sify
2. Change directory
   cd /usr/src/sify
3. Download sifyclient from http://thegoan.com/supersify/
   wget http://thegoan.com/supersify/supersify.zip
4. unzip downloaded sify client.
   unzip supersify.zip
5. I modified the provided ss.sh script just as for my needs, there may be some other method. Just added ‘cd /usr/src/sify’ line as first line to ss.sh.

   cd /usr/src/sify
   java -jar supersify.jar $*
   if [ $? -eq 1 ]
   then read
   fi

6. Created a second script to login without providing password every time#!/bin/bash
   #
   #Change USERNAME, PASSWORD and ETH according to your system and user/pass
   #Change ETH with the ethernet card connecting to sify ISP
   #mail me: anuj.unix@gmail.com
   #Ends.
   USERNAME=my_sify_username
   PASSWORD=my_sify_password
   ETH=eth1
   #Get the mac address here
   MAC_SIFY=`ifconfig  $ETH |grep HWaddr|cut -d ” ” -f 11`
   if [ "$#" -ne 1 ];then
   echo “To connect: `basename $0` -c ”
   echo “To disconnect: `basename $0` -d ”
   exit
   fi
   #Change directory where we unzipped the supersify.zip
   cd /usr/src/sify

   #To connect sify
   if [ "$1" = "-c" ];then
   /bin/sh ss.sh -u “$USERNAME” -p “$PASSWORD” -m $MAC_SIFY
   #To disconnect sify
   else if [ "$1" = "-d" ];then
   echo “Logging out from sify”
   /bin/sh ss.sh -l
   else
   echo “To connect: `basename $0` -c ”
   echo “To disconnect: `basename $0` -d ”
   exit
   fi
   fi

7. chmod the script
   chmod 700 /usr/bin/sifyconnect
8. To check the internet connectivity create one more script, f.e. /usr/bin/sifychk#!/bin/bash
   #
   #to check the internet connection

   ping -c 4 google.com

   if [ "$?" -ne 0 ];then
   /usr/bin/sifyconnect -c
   else
   exit
   fi

9. chmod 755 /usr/bin/sifychk
10. Add an entry in cron to automatically try to connect in case you are disconnected. Following crontab entry will check the internet connectivity every minute and connect automatically in case of disconnection. Obviously network cable and ISP should be reachable.crontab -e
    * * * * * /usr/bin/sifychk >/dev/null 2>&1

That’s it.

Anuj Singh.