Homayoon Hedayatifard hmnhf

## docker-node-missing-network-attachments.md

      
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                hmnhf
                / docker-node-missing-network-attachments.md
            
            
              Created
              July 9, 2022 11:03
            
              
                 Docker node is missing network attachments, ip addresses may be exhausted, no suitable node 
              
          
See caprover/caprover#619 (comment)


If your Docker services don't start after an unexpected reboot and you get these errors, try the following fix.

Docker node is missing network attachments, ip addresses may be exhausted
No suitable node (1 node not available for new tasks)


sudo systemctl stop docker
sudo rm /var/lib/docker/swarm/worker/tasks.db
sudo systemctl start docker

  
## mandrillapp_invalid_sender_characters.rb
# I was encountering this exception: Net::SMTPServerBusy: 401 4.1.7 Bad sender address syntax
# First I searched to see if there's any documentation around this issue but didn't find anything,
# so I wrote this snippet to find those invalid characters.

require 'mail'

Mail.defaults do
  delivery_method :smtp, {
    port: 25,
    address: "smtp.mandrillapp.com",
	# I was encountering this exception: Net::SMTPServerBusy: 401 4.1.7 Bad sender address syntax
	# First I searched to see if there's any documentation around this issue but didn't find anything,
	# so I wrote this snippet to find those invalid characters.

	require 'mail'

	Mail.defaults do
	delivery_method :smtp, {
	port: 25,
	address: "smtp.mandrillapp.com",