OPS345 Lab 3

• www instance was created in the last lab, with a static private IP, and port fowarding done from port 2211 on router to port 22 on www.
• yum install httpd iptables-services
• enable iptables
• before starting the service, we'll configure the server to store all webpages on a separate volume: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-attaching-volume.html
  • 1GB in us-east-1a
  • rename to www-data
  • attach to www (note reboot is not required)
• ls /dev/xvd* -l > /dev/xvdf
• vgcreate vg_www /dev/xvdf
• lvcreate -n lv_www -l 100%FREE vg_www
• blkid
• ls /dev/mapper/vg_www-lv_www
• mkfs.ext4 -L www /dev/mapper/vg_www-lv_www
• vi /etc/fstab
  • /dev/mapper/vg_www-wwwLV1 /var/www ext4 defaults 0 0
• mount /var/www/
• ls /var/www/
• mount | grep /dev/xvd
• ls /var/www/
• mkdir /var/www/html
• vi /var/www/html/index.php

  Hello. My web server still works.<br />
  If this shows the current date and time, PHP works too:<br />
  <?php system("date"); ?>

• chown -R andrew /var/www/html
• systemctl start httpd
• On router: iptables -t nat -I PREROUTING -p tcp --dport 80 -j DNAT --to 10.3.45.11:80
• On www: iptables -I INPUT 3 -p tcp --dport 80 -j ACCEPT
• service iptables save
• Edit security group, allow HTTP
• ss -atnp on router and www
• install php, restart httpd