EC2 unable to reboot
Sebastiano asked: I enabled selinux to make some tests (with enforcing) and now my AWS instance is unable to boot. From the instance screenshot I see that it can’t start …
psql installation on linux requires systemd
Muhammad Imran Tariq asked: I am installing psql on my AWS EMR (EC2 instance) which is Amazon Linux (not Amazon Linux 2). I am getting an error after running the …
What are actual Tesla M60 models used by AWS?
hans asked: Wikipedia says that Tesla M60 has 2×8 GB RAM (whatever it means) and TDP 225–300. I use an EC2 instance g3s.xlarge which is supposed to have a Tesla …
Rails SSL running puma and EC2 AWS
Randall Coding asked: Specs: Rails 4.2.4, Ruby 2.1.9, running puma, EC2 instance in production mode I have an SSL certificate that I want to install on my server but using …
Why are primary network interfaces forced to inherit all the security groups of their EC2 instances?
Alex Johnson asked: I’m testing a virtual load balancer which is running on an EC2 instance. I’d like to be able to alter the setup and test the balancer under …
After changing permissions to home/ec2-user of the main volume I can no longer SSH in even after changing permissions
MistyD asked: AS the title mentions. I was dumb enough to change the permissions of home/ec2-user recursively to 777 after which I could not log in. I then detached the …
Should a detached EBS volume keep charging monthly?
gustavovelascoh asked: First of all, I’m not very used to AWS nor DevOps/admin stuff, but want to learn. So I set up an EC2 instance and attached an EBS volume …
LibSSH authentication bypass
I-P-X asked: With the recent security announcement by libssh (CVE-2018-10933) I wonder how to find out if any of my running services use the vulnerable library? I will eventually yum …
Https not working on AWS EC2
Anand Chandwani asked: I have website https://darkcloud.app which is giving me error “This site can’t be reached” but it works fine without https and google is forcing to redirect with …
How to add Amazon's X-SES-CONFIGURATION-SET:ConfigSet to a my postfix mail server?
needtoknow asked: Amazon shows an example on how to add their X-SES-CONFIGURATION-SET:ConfigSet to a single email. How do I add this to my postfix configuration so it uses it for …