Ec2 download file from s3

It seems maybe my above code works for centos. I tried another ubuntu server and it doesn't work. Maybe somehow the line for generate the signature not processed properly for ubuntu. I tried the latest openssl version but seems still not work.

Curiosity: change! Add a comment. Active Oldest Votes. John Rotenstein John Rotenstein k 17 17 gold badges silver badges bronze badges. I know there're other options but as I mentioned I need to use curl so I'm hoping answer about what I asked. I'm using autoscale so I already have image created and there will be alot to do for all regions to set up the CLI.

I've chef running so it's easier that I load some bash code through cookbook to run the download without updating the image. Please answer if you know how to do it through curl instead of suggesting other options.

Try this Titi Wangsa bin Damhore Titi Wangsa bin Damhore 6, 4 4 gold badges 28 28 silver badges 35 35 bronze badges. I've been trying to get this work for hours. Thank you for this. I followed aws docs and had no idea what's not working. Those steps apparently necessary, and are not mentioned in the docs — Chen A. Any idea why sometimes it returns with The request signature we calculated does not match the signature you provided.

Check your key and signing method? Mark Doughty Mark Doughty 11 1 1 bronze badge. I did some tests with this script and it has a few moments that it stops working returns - Forbidden. Then you have to wait a while to try again. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.

Post as a guest Name. Email Required, but never shown. The Overflow Blog. Who owns this outage? Building intelligent escalation chains for modern SRE. Podcast Who is building clouds for the independent developer? Featured on Meta. Now live: A fully responsive profile. Amazon EC2 instances launched with Amazon-provided AMIs eg Amazon Linux 2 include a program called Cloud-Init that looks at the User Data and, if a script is provided, runs that script the first time that the instance is booted.

Therefore, you can configure a script passed via User Data that will run when the instance is first launched. The script will run as the root user. Please note that you will need to assign an IAM Role to the instance that has permission to access the bucket. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 1 year, 7 months ago. Active 1 year, 7 months ago. Viewed 3k times. John Rotenstein k 17 17 gold badges silver badges bronze badges. I don't understand what your post means by only wanting to use 'the User Data approach' and not the CLI. If you do this from user data, you will use the CLI there. Add a comment. Active Oldest Votes. Mark J. Bobak John Rotenstein John Rotenstein k 17 17 gold badges silver badges bronze badges.

I'm pretty sure that 'chown foo. I edited your answer to fix it.