AWS Troubleshooting

CloudFormation stack stuck in an IN_PROGRESS state

AWS Docs For Troubleshooting

Here is an example

1. one stack is stuck at UPDATE_IN_PROGRESS
2. click resource tab and I can see AWS::ECS::Service is stuck in UPDATE_IN_PROGRESS
3. Go to ECS and find that service and click Logs tab
4. show get something from logs

ec2-user does not have permission to access mysql log file

After log into a EC2 machine, I try to access /vol/mysql/data/my_logs.txt. However, I get a permission deny.

# see all users in machine
vi /etc/passwd

# switch to root
sudo su - root

# now can see log
vi /vol/mysql/data/my_logs.txt