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fix: change default artifact temp dir to storage partition to prevent… #246

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fix: change default artifact temp dir to storage partition to prevent… #246

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3c1a457
fix: change default artifact temp dir to storage partition to prevent…
Jxt-Eli May 14, 2026
7e3288c
fix: improve cubemaster extraction directory selection
Jxt-Eli May 15, 2026
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3 changes: 2 additions & 1 deletion CubeMaster/pkg/templatecenter/template_image.go
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Expand Up @@ -2005,7 +2005,8 @@ func artifactWorkRootDir() string {
if value := strings.TrimSpace(os.Getenv("CUBEMASTER_ROOTFS_ARTIFACT_DIR")); value != "" {
return value
}
return filepath.Join(os.TempDir(), "cubemaster-rootfs-artifacts")
storeRoot := artifactStoreRootDir()
return filepath.Join(storeRoot, "tmp", "cubemaster-rootfs-artifacts")
}

func artifactStoreRootDir() string {
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2 changes: 2 additions & 0 deletions README.md
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Expand Up @@ -146,6 +146,8 @@ Cube Sandbox requires an x86_64 Linux environment with KVM support — **WSL 2**
> - **Windows users**: run `wsl --install` in an admin PowerShell to set up WSL 2 (requires Windows 11 22H2+, with nested virtualization enabled in BIOS / WSL).
> - **Bare-metal / physical machine users**: grab an x86_64 Linux physical machine, or rent a bare-metal server from a cloud provider.
> - **Ordinary cloud VM users**: no bare-metal required — install the PVM host kernel to enable KVM on any standard cloud VM. See [PVM Deployment](./docs/guide/pvm-deploy.md).
>
> **NOTE on storage**: Ensure the partition hosting the CubeMaster storage directory (usually `/data`) has at least 20GB of free space for template creation.

Once your environment is ready, launch your first sandbox in four steps:

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