Bench start is showing errors can't open config file

sudo supervisorctl stop all
bench start

bench setup redis
bench start

I have tried all the above commands,still getting same error.

Problems with config file for redis.

Do you see these files in your config folder?

No i am unable to see that folders.

How can i access these config files??

redis_cache.conf
redis_queue.conf
redis_socketio.conf

frappe@erpnext:~/frappe-bench$ find config -name ‘*.conf’
config/supervisor.conf
config/redis_cache.conf
config/nginx.conf
config/redis_socketio.conf
config/redis_queue.conf

and the logs

frappe@erpnext:~/frappe-bench$ find logs -name ‘*.log’ | xargs ls -alt
-rw-r–r-- 1 frappe frappe 78200 Feb 8 21:49 logs/frappe.log
-rw-r–r-- 1 frappe frappe 1985501 Feb 8 21:49 logs/web.error.log
-rw-r–r-- 1 root root 239348 Feb 8 21:49 logs/web.log
-rw-rw-r-- 1 frappe frappe 28350 Feb 8 10:00 logs/auto_update_log.log
-rw-r–r-- 1 root root 12209 Feb 8 00:00 logs/worker.error.log
-rw-r–r-- 1 root root 294905 Jan 18 12:59 logs/node-socketio.log
-rw-r–r-- 1 root root 131001 Jan 18 12:59 logs/redis-socketio.log
-rw-r–r-- 1 root root 131001 Jan 18 12:59 logs/redis-queue.log
-rw-r–r-- 1 root root 121591 Jan 18 12:59 logs/redis-cache.log
-rw-r–r-- 1 frappe root 4288512 Jan 18 11:54 logs/schedule.log
-rw-rw-r-- 1 frappe frappe 30483 Jan 11 00:30 logs/bench.log
-rw-r–r-- 1 frappe root 77165 Jul 7 2017 logs/node-socketio.error.log
-rw-r–r-- 1 frappe root 0 Oct 12 2016 logs/schedule.error.log
-rw-r–r-- 1 frappe frappe 0 Oct 12 2016 logs/worker.log
-rw-r–r-- 1 frappe root 0 Oct 12 2016 logs/redis-cache.error.log
-rw-r–r-- 1 frappe root 0 Oct 12 2016 logs/redis-socketio.error.log
-rw-r–r-- 1 frappe root 0 Oct 12 2016 logs/redis-queue.error.log

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I have opened config file, which lines i have to change. I am not getting enough information.

This is the information i got in the forum to configure
redis_cache.conf file.
Help me what lines i have to change ??

I strongly suggest you look over your install doc steps!

No need for you to edit template config files from the bench-repo - a typical install looks after this…