Go binary with embedded iPXE, web UI, SQLite, and all assets. No runtime deps. Scp it and run.
v1.x · apache 2.0 go · iPXE · sqlite/postgres
Self-contained PXE and HTTP boot server. One binary. Zero config. Built-in proxyDHCP so you never touch your router. 50+ distros detected automatically.
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bootimus — quickstart
$ docker run -d --name bootimus \ --cap-add NET_BIND_SERVICE \ -p 67:67/udp -p 69:69/udp \ -p 8080:8080/tcp -p 8081:8081/tcp \ -v $(pwd)/data:/data \ garybowers/bootimus:latest $ docker logs bootimus | grep Password admin: Password: 7f3a-plum-swift-echo $ open http://localhost:8081
Not a fork of 15-year-old Perl scripts. Not a wrapper around dnsmasq. A proper server, written in Go, with batteries included.
Go binary with embedded iPXE, web UI, SQLite, and all assets. No runtime deps. Scp it and run.
Answers PXE on UDP/67 without touching your existing DHCP. Zero router reconfig. Drop in on any LAN.
Automatic kernel/initrd extraction for Ubuntu, Debian, Arch, Fedora, NixOS, Alpine, FreeBSD, Windows (wimboot), and more.
Assign specific images per MAC. Auto-discover new clients on first PXE. Promote leases to static when ready.
GParted, Clonezilla, Memtest86+, SystemRescue, ShredOS, netboot.xyz. Enable from the UI, they show up in the menu.
Token auth with bcrypt. Optional LDAP/AD backend with group-based admin. Local accounts stay as fallback.
Everything the UI does is an API call. Script boot assignments, scans, WOL triggers. Live log stream over SSE.
Multi-arch Docker (amd64/arm64), static binary, or a 2GB Alpine-based appliance image you can flash to USB.
Drop autounattend.xml, kickstart, preseed, or cloud-init in. Attach to an image as the default, override per client. Bootimus stages it at boot — no clicks, no setup wizard.
Client sends DHCPDISCOVER. Bootimus answers PXE details via proxyDHCP while your normal DHCP still hands out the IP. iPXE loads over TFTP, chains to HTTP, fetches the menu. User picks an image. Kernel and initrd stream from the server. Done.
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pxe boot trace — ubuntu-24.04
[dhcp] → DHCPDISCOVER from b4:2e:99:01:5f:a3 (no PXE options from primary DHCP) [proxy] ← DHCPOFFER-PXE: next-server=bootimus, filename=ipxe.efi [tftp] → RRQ ipxe.efi (198 KiB, 14 ms) [http] → GET /menu.ipxe 200 2.1 KiB [menu] ↳ 17 images · 3 groups · 6 tools [menu] ↳ user selected: ubuntu-24.04-live-server [http] → GET /iso/ubuntu-24.04/vmlinuz 200 14 MiB · 612 MB/s [http] → GET /iso/ubuntu-24.04/initrd 200 76 MiB · 598 MB/s [boot] handoff ok · client booting
No proprietary blobs. No telemetry. No sneaky binary firmware vendored in. The whole stack is on GitHub under Apache 2.0 — clone it, audit it, fork it, fly your own.
Single Go binary · statically linked, ldd returns "not a dynamic executable". Reproducible builds from make release.
No proprietary blobs · embedded iPXE is upstream FOSS (GPL-2.0). No closed-source firmware shipped.
No telemetry, ever · zero call-home. Zero analytics. Zero "anonymous usage stats". Air-gapped LAN safe.
Apache 2.0 · permissive licence. Use in commercial environments, ship internally, fork without strings.
Vendored deps, all FOSS · every transitive Go dependency is open source. go mod why any package.
Bring your own bootloader · don't trust the embedded iPXE? Drop your own signed binaries in. See below.
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bootimus version --verbose
$ bootimus version --verbose bootimus 1.0.0 commit 8e87824 (clean) go 1.23.4 linux/amd64 build static · reproducible licence Apache-2.0 embedded ipxe 1.21.1+upstream GPL-2.0 proprietary 0 blobs telemetry disabled (compile-time) $ ldd ./bootimus not a dynamic executable $ sha256sum ./bootimus 7f3a9b0c… bootimus
Bootimus ships with embedded iPXE for every common arch. Need Microsoft-signed binaries for Secure Boot, a custom-themed iPXE, GRUB, syslinux, or your own internal-CA-signed loader? Drop a folder in data/bootloaders/, pick it from the UI, done. Missing files transparently fall back to the embedded set — never a broken boot.
ipxe.efi · the default. Built from upstream master, embedded in the binary.
embedded · fallbackipxe-arm64.efi · for Raspberry Pi 4/5, Apple Silicon hosts, ARM servers.
embedded · fallbackundionly.kpxe · for old kit that won't UEFI. Still relevant in 2026.
embedded · fallbackDrop a signed shimx64.efi + grubx64.efi in for Secure-Boot-enforced fleets. No firmware MOK enrolment needed.
custom · BYOCompile your own iPXE with branding, custom menu colours, embedded scripts. Drop the .efi in.
custom · BYONot iPXE? No problem. Anything that speaks TFTP and HTTP works. Bootimus just serves bytes.
custom · BYOpts/0
bootloader sets — file fallthrough
$ tree /var/lib/bootimus/bootloaders data/bootloaders ├── ipxe-builtin/ │ ├── ipxe.efi │ ├── ipxe-arm64.efi │ └── undionly.kpxe ├── ipxe-secureboot/ │ ├── shimx64.efi (signed by Microsoft) │ ├── grubx64.efi (signed by Microsoft) │ └── ipxe.efi (signed by your CA) └── ipxe-themed/ └── ipxe.efi (custom branding) $ bootimus bootloaders use ipxe-secureboot ✓ active set: ipxe-secureboot ✓ falls back to ipxe-builtin for: ipxe-arm64.efi, undionly.kpxe [tftp] RRQ shimx64.efi → ipxe-secureboot/shimx64.efi [tftp] RRQ ipxe-arm64.efi → ipxe-builtin/ipxe-arm64.efi (fallback)
Docker, bare metal, or flashable USB. Pick your poison.
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