32 lines
882 B
Markdown
32 lines
882 B
Markdown
---
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created: 2024-01-26T15:43:17 (UTC -05:00)
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tags:
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- nixos
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source: https://serverfault.com/questions/890886/recover-from-nixos-rebuild-test-without-a-reboot
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author: |-
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aij
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20311 silver badge77 bronze badges
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---
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# Recover from `nixos-rebuild test` without a reboot - Server Fault
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> ## Excerpt
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> Is there a way to revert to the previous (or at least "current") configuration after nixos-rebuild test without rebooting?
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Per the nixos-rebuild manual:
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test
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Build and activate the new
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---
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```
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# List previous generations
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sudo nix-env --list-generations -p /nix/var/nix/profiles/system
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# Live switch to any generation
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sudo nix-env --switch-generation 12345 -p /nix/var/nix/profiles/system
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sudo /nix/var/nix/profiles/system/bin/switch-to-configuration switch
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```
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Source: [https://github.com/NixOS/nixpkgs/issues/24374](https://github.com/NixOS/nixpkgs/issues/24374)
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