Php5-fpm.sock failed (2: No such file or directory) while connecting to upstream

This is my NGINX error log of my website www.dealslama.com I’m fed up now with linode hosting and looking some help to get solve this error ASAP. I’m badly loosing revenue …

Below is the error log snippet…

2017/03/11 13:01:07 [crit] 10260#0: *7379 connect() to unix:/var/run/php5-fpm.sock failed (2: No such file or directory) while connecting to upstream, client: 52.71.110.246, server: dealslama.com, request: “GET / HTTP/1.0”, upstream: “fastcgi://unix:/var/run/php5-fpm.sock:”, host: “www.dealslama.com” 2017/03/11 13:01:07 [crit] 10260#0: *7381 connect() to unix:/var/run/php5-fpm.sock failed (2: No such file or directory) while connecting to upstream, client: 52.16.221.154, server: dealslama.com, request: “GET / HTTP/1.0”, upstream: “fastcgi://unix:/var/run/php5-fpm.sock:”, host: “www.dealslama.com