Overview

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Flox is a virtual environment and package manager all in one. With Flox you create development environments that put you into reproducible subshells with dependencies provided and configured for you. Even better, these environments layer so you can prepare different environments for different contexts and stack them when needing to work across contexts.
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- One-Command Project Setup
- Your Tools, Everywhere
- Environments With All the Comforts of HOME
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Container
- Amazon ECS
- Amazon EKS
- Amazon ECS Anywhere
- Amazon EKS Anywhere
Container image
Containers are lightweight, portable execution environments that wrap server application software in a filesystem that includes everything it needs to run. Container applications run on supported container runtimes and orchestration services, such as Amazon Elastic Container Service (Amazon ECS) or Amazon Elastic Kubernetes Service (Amazon EKS). Both eliminate the need for you to install and operate your own container orchestration software by managing and scheduling containers on a scalable cluster of virtual machines.
Version release notes
[!WARNING] After upgrading to Flox 1.19.1, we recommend rebooting your system to ensure full remediation.
Changes
- Flox no longer sets SSL_CERT_FILE in activated environments, no longer copies your SSL_CERT_FILE into NIX_SSL_CERT_FILE, and no longer overrides a NIX_SSL_CERT_FILE, PATH_LOCALE or LOCALE_ARCHIVE you have set. When neither certificate variable is set, Flox sets NIX_SSL_CERT_FILE for Nix-built software only.
- If your environment or a tool in it relied on the SSL_CERT_FILE Flox used to export, set it yourself in the manifest's [vars] section.
Fixes
- On Linux, Flox's bundled CA certificates now distrust four compromised roots (three emSign roots and the Comodo AAA Services root). macOS is unaffected because the system keychain governs trust there.
- Environments built with Flox 1.19.0 or earlier no longer export an outdated SSL_CERT_FILE when activated. No rebuild is needed.
- Container images built with flox containerize now carry the same CA bundle at /etc/ssl/certs as Flox itself, including Flox's distrust of compromised certificate authorities.
- On Linux, activations, services, local builds, flox develop, flox run and extensions no longer inherit the SSL_CERT_FILE and SSL_CERT_DIR that Flox's TLS library wrote into the Flox process.
Download Links
- DEB (x86_64-linux)
- DEB (aarch64-linux)
- RPM (x86_64-linux)
- RPM (aarch64-linux)
- OSX (x86_64-darwin)
- OSX (aarch64-darwin)
[!NOTE] You can find the SHA256 checksums for Flox 1.19.1 and SHA512 checksums for Flox 1.19.1 online.
Additional details
Usage instructions
Welcome to the Flox tool. Try out a few commands:
- flox search fastfetch
- flox install fastfetch
- flox activate -- fastfetch
- flox edit to make changes to the manifest.toml, add/remove packages and set hooks!
See more comprehensive documentation and a tutorial at https://flox.dev/docs/ .
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AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services.
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