Kai
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2 answers
2 votes
2k views
Remove OR Replace "mailed by" field with DKIM & SPF enabled in AWS SES
2 votes

You can replace mailed-by: us-west-2.amazonses.com with mailed by: sub.example.com but not with mailed-by: example.com. In other words, unnaked domain (with subdomain) like sub.example.com is possible ...

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1 answers
0 votes
38 views
One custom maintenance page for all errors (Nginx)
0 votes

Put your maintenance.html file at /var/www/html/maintenance.html. Put the error_page line and location block showing below. server { listen 80; listen [::]:80; server_name myip; ...

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4 answers
5 votes
19k views
HealthCheck on ECS task without an ELB
1 votes

For example, if your "Port mappings" is 8000:8000 for "ECS EC2" or 8000 tcp for "ECS Fargate", the "Command" of "HEALTHCHECK" is: CMD-SHELL, curl -f ...

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3 answers
2 votes
310 views
Ansible unable to reach multiple hosts
0 votes

Solution: "Log in & log out the all remote servers first. Then, ping to the remote servers with ansible." I also couldn't ping to multiple remote servers so I did the solution above. ...

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