ckochandClaude Opus 5
1ddc56800a
Replaces the Bazzite/BlueBuild image with plain Ubuntu. apt covers the system and dev tools, Flathub the desktop apps, and three scripts do the rest: backup.sh archives this machine's home to server-marvin and reads it back to verify it; setup.sh builds a fresh 26.04 install (NVIDIA 595-open, Docker with GPU access, Steam/Lutris, 27 Flatpaks, VS Code, Claude desktop, the Data drive and marvin mounts); restore.sh unpacks the backup without the Fedora/KDE parts that would fight Ubuntu. The app list comes from a scan of the running machine. The 15 Flatpaks left behind sit commented at the bottom of flatpaks.txt, and their data still rides along in the backup. No Node or .NET on the host by choice — LudosData and landingPage build in Docker. Drops the BlueBuild recipe, the cosign key and the old dev-setup script. The Bazzite setup stays in this history. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
166 lines
8.0 KiB
Markdown
166 lines
8.0 KiB
Markdown
# main-desktop
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**Ubuntu 26.04 LTS** on my desktop (Ryzen 7 9800X3D, RTX 5090, 49" 5120x1440). This replaces the
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Bazzite setup, which lives on in this repo's git history.
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This is plain Ubuntu with no custom image: apt handles the system and dev tools, Flathub handles
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the desktop apps, and three scripts do the rest.
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| Script | Where it runs | What it does |
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| [scripts/backup.sh](scripts/backup.sh) | Bazzite, **before wiping** | Archives your home folder to server-marvin and reads every archive back to check it |
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| [scripts/setup.sh](scripts/setup.sh) | Fresh Ubuntu | Adds repos, the NVIDIA driver, Docker, Steam, Flatpaks, dev tools and mounts, all in one pass |
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| [scripts/restore.sh](scripts/restore.sh) | Ubuntu, after setup + reboot | Unpacks the backup and leaves out the Fedora/KDE bits that would fight Ubuntu |
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All three are safe to re-run.
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## Why leave Bazzite
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The read-only base made ordinary things into projects. VS Code had to be layered with rpm-ostree,
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Node and .NET came from Homebrew, and Claude desktop ran inside an Ubuntu distrobox because it
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only ships for Ubuntu/Debian. On Ubuntu, each of those is an `apt install`.
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## The move, in order
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### 1. Back up (on Bazzite)
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From this repo's folder:
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```bash
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scripts/backup.sh # -> /var/mnt/server-marvin-personal/desktop-backup-<date>/
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```
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Close Steam, Firefox, Discord and Claude first. The script refuses to write to the disk that's about
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to be wiped. It's about **360 GB**, so expect around 2 hours on gigabit, including the read-back
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check.
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| Archive | Size | Contents |
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| `home.tar.zst` | ~120 GB | Everything in `~` except caches, Trash, container images, and the three below. Includes `Desktop/Becky_backup` (63 GB), all Flatpak app data (`~/.var/app`), Lutris games in `~/Games` |
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| `xlcore.tar.zst` | ~124 GB | FFXIV install, because Square's patch servers make a redownload take hours |
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| `comfyui.tar.zst` | ~115 GB | ComfyUI minus its venv (mostly models) |
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| `steam-saves.tar.zst` | ~5 GB | Steam `userdata` + Proton `compatdata` (saves and prefixes). Game files on the home drive (216 GB) redownload |
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`manifest/` holds reference lists: Flatpaks, VS Code extensions, Steam games, the old fstab and
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Flatpak overrides. The archives contain `~/.ssh` and `~/.gnupg`, so the backup folder is as
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sensitive as your home folder.
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**Not backed up, but not lost:** the Data drive (SteamLibrary, `emu/`) isn't touched by the
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install.
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### 2. Install Ubuntu 26.04 LTS
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> **⚠ Two identical 1 TB NVMe drives.** Install to the **Samsung SSD 990 PRO**. Never pick the
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> **Samsung SSD 970 EVO Plus**: that's the "Data" drive with your second Steam library, and it's
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> full, so nothing on it is backed up. `nvme0`/`nvme1` can swap between boots, so go by the model
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> name the installer shows.
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- "Erase disk and install Ubuntu" on the 990 PRO is fine.
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- Make the user **`ckoch`**. The first user gets UID 1000, which matches the file ownership on the
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Data drive.
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- The "third-party drivers" checkbox doesn't matter; setup.sh installs the NVIDIA driver either way.
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- Prefer KDE? Install **Kubuntu 26.04** instead. The scripts don't care which desktop you run.
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### 3. Set up
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```bash
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sudo apt install -y git
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git clone https://git.lazypugs.com/ckoch/main-desktop.git ~/Documents/git/main-desktop
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cd ~/Documents/git/main-desktop && scripts/setup.sh
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```
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It asks for your sudo password once and for the server-marvin SMB username/password (stored
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root-only in `/etc/samba/credentials-marvin`). Flatpaks take most of the time. **Reboot** when it
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finishes.
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What it installs:
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- **NVIDIA driver:** Ubuntu's recommended **open-kernel** branch (595 today) with the prebuilt,
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signed modules, so there's no DKMS. The script stops if it ends up with a non-open driver,
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because Blackwell only runs on the open modules. It also installs 32-bit GL for Steam/Proton.
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- **Gaming:** Steam (`steam-installer` + `steam-devices` for controllers), Lutris, GameMode,
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MangoHud. ProtonUp-Qt (Flatpak) for Proton-GE. The Xbox Bluetooth fix (`disable_ertm`)
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carries over from Bazzite.
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- **Containers:** Docker CE from Docker's repo (not the snap), with `--gpus all` wired up through
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nvidia-container-toolkit. Also Podman. You're added to `docker` and `kvm`.
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- **Apps:** the 27 Flatpaks in [flatpaks.txt](flatpaks.txt), picked from the 42 that were on
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Bazzite (the rest are listed at the bottom of that file, commented out, if you want one back).
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Ubuntu's Firefox snap is removed in favor of the Flatpak so your old profile restores
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untouched. A systemd timer updates Flatpaks daily.
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- **Dev:** VS Code, Claude desktop (Anthropic's apt repo), Claude Code CLI, and
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`build-essential`/cmake, so no dev distrobox needed. **No Node or .NET on the host** by
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choice — LudosData and landingPage build in Docker. To add them later:
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`sudo add-apt-repository ppa:jdxcode/mise && sudo apt install mise dotnet-sdk-10.0`.
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- **Mounts:** the Data drive at **`/mnt/data`** and server-marvin at
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**`/mnt/server-marvin-personal`** (automounted).
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### 4. Restore
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```bash
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scripts/restore.sh # newest backup on server-marvin
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ONLY="home steam-saves" scripts/restore.sh # skip the big ones if you want
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```
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First it pulls the Flatpak NVIDIA GL runtime (only possible once the driver is loaded after the
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reboot). Without it, Flatpak apps render in software.
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It deliberately skips a few things:
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- Fedora's `.bashrc` and `.bash_profile`
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- `~/.local/bin` (old pip `--user` tools such as rembg)
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- KDE's GNOME-settings database and generated GTK themes
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- Bazzite's autostart items
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Everything is still in the archives, e.g.
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`tar -I zstd -xf home.tar.zst -C ~ ./.config/some-app`.
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Old configs full of `/var/home/ckoch/...` paths keep working through a `/var/home → /home`
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symlink. Claude Code's per-project memory and history are renamed to the new paths.
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## Check it worked
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```bash
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nvidia-smi # RTX 5090, driver 595.x
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modinfo -F license nvidia # "Dual MIT/GPL" = open modules
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docker run --rm --gpus all nvidia/cuda:12.8.0-base-ubuntu24.04 nvidia-smi
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flatpak list --app | wc -l # 27
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findmnt /mnt/data /mnt/server-marvin-personal
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claude --version && code --version
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```
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Podman's `--device nvidia.com/gpu=all` needs a CDI spec. The toolkit normally generates one at
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boot; if Podman says the device is unknown, run
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`sudo nvidia-ctk cdi generate --output=/etc/cdi/nvidia.yaml`.
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## By hand after restore
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- **Steam:** sign in, then **Settings → Storage → Add drive → `/mnt/data/SteamLibrary`**. Games
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there come back without downloading.
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- **ComfyUI:** `cd ~/ComfyUI && python3 -m venv venv && venv/bin/pip install -r requirements.txt`
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(plus any custom nodes' requirements).
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- **Display:** Settings → Displays. The monitor does **5120x1440 @ 240 Hz**; Bazzite was running it
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at 120. Turn on variable refresh rate there too. Ubuntu's built-in window tiling works well at
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this width.
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- **PIA VPN:** the official Linux app works on Ubuntu (it couldn't on Bazzite's read-only
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`/usr`). Download the installer from PIA and run it.
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## Coming from Bazzite: what moved
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| Was | Now |
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| `rpm-ostree` layering / `ujust` | `apt` |
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| Homebrew `node@24`, `dotnet` | Nothing on the host — those projects build in Docker |
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| Claude desktop in a distrobox | Native `claude-desktop` package |
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| `/var/home/ckoch` | `/home/ckoch` (+ compatibility symlink) |
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| `/run/media/ckoch/Data` | `/mnt/data` |
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| `/var/mnt/server-marvin-personal` | `/mnt/server-marvin-personal` |
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| Image updates + rollback | Software Updater / `sudo apt update && sudo apt upgrade`; Flatpaks auto-update daily. No rollback by default; `sudo apt install timeshift` if you miss it |
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## Maintenance
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- **Add or remove an app:** edit [flatpaks.txt](flatpaks.txt) and re-run `scripts/setup.sh`.
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Removing a line doesn't uninstall anything; `flatpak uninstall <id>` once by hand.
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- **Next LTS (28.04):** Ubuntu offers the upgrade in Software Updater once 28.04.1 is out. The
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upgrader disables third-party repos (Docker, NVIDIA toolkit, etc.). Turn them back on in
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Software & Updates → Other Software afterwards.
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