Bash script to run multiple AWS EC2 instance

Step 1: open vi <<filename>>.sh

Step2:  Enter the code as follows

a.  Add this code in the first line

#!/bin/bash

b.  Connect and run the comment with in the instance

ssh -i <<keyfile >> ec2-user@<<instance Ip>> << EOF

c.  Change user into root

sudo su -

d.  Write the comment you can to execute Eg

aws s3 sync <<S3 path>>  <<local path>>

e.  Exit from root

exit

f.  exit from instance

exit

EOF

Step3: Save and exit from editor

Setp4: provide a execute permission to created .sh file

      chmod +x <<filename.sh>>

Step 5: Run the file from terminal

   ./<<filename.sh>>

Installing ClamAV Antivirus in AWS EC2 instance

Following steps will help you to setup ClamAV virus scanner in AWS Ec2 instance

Step1 : Install ClamAV

Yum install clamav clamd

Step2 : Setup up log file folder

a.       Create a new folder clamd under /var/log

b.       Provide a read write access to clamscan user

chown -R clamscan:clamscan /var/log/clamd/

Step3: If you are trying to use socket.

            a.       Create a  clamd.scan folder under /var/run

            b.       Provide a read and write access to clamscan user

chown -R clamscan:clamscan /var/run/clamd.scan/

Step4: Setup Configuration

a.       Edit the configuration file available in

vi /etc/clamd.d/scan.conf

b.       To enable logging un comment LogFile and change the path

LogFile /var/log/clamd/clamd.log

c.       If you are using Socket un comment LocalSocket and change the path

                                LocalSocket /var/run/clamd.scan/clamd.sock

d.       If you are tying to TCP port uncomment TCPSocket

Step5:  run sed -i '/^Example$/d' /etc/clamd.d/scan.conf

Step 6  Start service

                service clamd.scan start