While prototyping Bottlerocket, I discovered it doesn't recognize additional EBS volumes specified through Block device mappings on Xen. For example, launching the same AMI on t2.medium (Xen) and t3.medium (Nitro) with "DeviceName=/dev/xvdcz": On Nitro, the device appears at /dev/nvme1n1 and …

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When I first moved building Bottlerocket AMI from an EC2 host to AWS CodeBuild, I was hit by a very slow build. On an EC2 instance, I built both the x86 and Arm versions on x86 instances, and fresh builds finished in 5 minutes. However, on CodeBuild with more vCPU and memory, the build process was painfully slower. The …

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There are a few programs we install in Bottlerocket that cannot be built from source. For these programs, we download the binary from a secure repository and install it using an RPM spec like this: 1# foo.spec 2Name: %{_cross_os}foo 3 4Source0: foo 5 6%install 7install -d %{buildroot}%{_cross_sbindir} 8install -D -p -m …

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Bottlerocket is a Linux-based operating system optimized for hosting containers. We use Bottlerocket to run millions of containers each day. There are three key differences between Bottlerocket and common Linux distributions like Amazon Linux 2023: The rootfs is read-only. There is no package manager (e.g., yum) in …

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Bottlerocket is a Linux-based operating system optimized for hosting containers. At my work, we migrated from Amazon Linux to Bottlerocket and experienced the following benefits: Developer-friendly: Easy to understand and fast to build. RPM spec and configuration TOML files are all you need. Every developer can build a …

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I recently worked on getting amazon-ssm-agent to run inside containers on Bottlerocket. During that process, I ran into a TLS issue connecting to amazonaws.com. The root cause turned out be interesting and we'll walk through it in this post. Running amazon-ssm-agent in a container: why and how? To enable sessions …

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Hello! https://github.com/bcressey/bottlerocket/commits/debug-unified-fips/ https://github.com/bcressey/bottlerocket/commit/a2f3ef75b080d3cce1b077e9bc313bc0126c70c4

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