port builder script to go
Signed-off-by: Xe <me@christine.website>
This commit is contained in:
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65d1d08536
commit
acd4500adf
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result
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.direnv
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*.raw
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var/*
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{
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"nodes": {
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"nixpkgs": {
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"locked": {
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"lastModified": 1651007983,
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"narHash": "sha256-GNay7yDPtLcRcKCNHldug85AhAvBpTtPEJWSSDYBw8U=",
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"owner": "NixOS",
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"repo": "nixpkgs",
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"rev": "e10da1c7f542515b609f8dfbcf788f3d85b14936",
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"type": "github"
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},
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"original": {
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"id": "nixpkgs",
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"ref": "nixos-unstable",
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"type": "indirect"
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}
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},
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"root": {
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"inputs": {
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"nixpkgs": "nixpkgs",
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"utils": "utils"
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}
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},
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"utils": {
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"locked": {
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"lastModified": 1649676176,
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"narHash": "sha256-OWKJratjt2RW151VUlJPRALb7OU2S5s+f0vLj4o1bHM=",
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"owner": "numtide",
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"repo": "flake-utils",
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"rev": "a4b154ebbdc88c8498a5c7b01589addc9e9cb678",
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"type": "github"
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},
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"original": {
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"owner": "numtide",
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"repo": "flake-utils",
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"type": "github"
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}
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}
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},
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"root": "root",
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"version": 7
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}
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{
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description = "A basic Go web server setup";
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inputs = {
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nixpkgs.url = "nixpkgs/nixos-unstable";
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utils.url = "github:numtide/flake-utils";
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};
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outputs = { self, nixpkgs, utils }:
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utils.lib.eachSystem [
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"x86_64-linux"
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"aarch64-linux"
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"x86_64-darwin"
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"aarch64-darwin"
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] (system:
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let
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pkgs = import nixpkgs {
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inherit system;
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overlays = [
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(final: prev: {
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go = prev.go_1_18;
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buildGoModule = prev.buildGo118Module;
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})
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];
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};
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version = builtins.substring 0 8 self.lastModifiedDate;
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in {
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devShells.default = pkgs.mkShell {
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buildInputs = with pkgs; [ go gopls gotools go-tools squashfsTools ];
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};
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});
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}
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package main
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import (
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"archive/tar"
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"compress/gzip"
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"flag"
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"fmt"
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"io"
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"log"
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"os"
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"os/exec"
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"path/filepath"
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"strconv"
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"strings"
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)
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var (
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out = flag.String("out-dir", ".", "where to save squashfs images to")
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tsTarballPath = flag.String("tailscale-tarball", "./var/tailscale_1.24.2_amd64.tgz", "path to tailscale tarball on disk")
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distro = flag.String("distro", "arch", "distro to stamp into system extension")
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)
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func main() {
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flag.Parse()
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fin, err := os.Open(*tsTarballPath)
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if err != nil {
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log.Fatal(err)
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}
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gzRdr, err := gzip.NewReader(fin)
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if err != nil {
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log.Fatal(err)
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}
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tarFin := tar.NewReader(gzRdr)
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tmpDir, err := os.MkdirTemp("", "taildeck-builder")
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if err != nil {
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log.Fatal(err)
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}
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defer os.RemoveAll(tmpDir)
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os.MkdirAll(filepath.Join(tmpDir, "usr", "bin"), 0755)
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os.MkdirAll(filepath.Join(tmpDir, "usr", "sbin"), 0755)
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os.MkdirAll(filepath.Join(tmpDir, "usr", "lib", "systemd", "system"), 0755)
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os.MkdirAll(filepath.Join(tmpDir, "usr", "lib", "extension-release.d"), 0755)
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for {
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hdr, err := tarFin.Next()
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if err != nil {
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if err == io.EOF {
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break
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}
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log.Fatal(err)
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}
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log.Printf("%s (%s): %d bytes", hdr.Name, strconv.FormatInt(hdr.Mode, 8), hdr.Size)
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var fname string
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switch filepath.Base(hdr.Name) {
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case "tailscale":
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fname = filepath.Join(tmpDir, "usr", "bin", "tailscale")
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case "tailscaled":
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fname = filepath.Join(tmpDir, "usr", "sbin", "tailscaled")
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case "tailscaled.service":
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fname = filepath.Join(tmpDir, "usr", "lib", "systemd", "system", "tailscaled.service")
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default:
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continue
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}
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fout, err := os.Create(fname)
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if err != nil {
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log.Fatal(err)
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}
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_, err = io.Copy(fout, tarFin)
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if err != nil {
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log.Fatal(err)
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}
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err = fout.Close()
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if err != nil {
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log.Fatal(err)
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}
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}
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fout, err := os.Create(filepath.Join(tmpDir, "usr", "lib", "extension-release.d", "extension-release.tailscale"))
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if err != nil {
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log.Fatal(err)
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}
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fmt.Fprintln(fout, "SYSEXT_LEVEL=1.0")
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fmt.Fprintf(fout, "ID=%s", *distro)
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err = fout.Close()
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if err != nil {
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log.Fatal(err)
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}
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binPath, err := exec.LookPath("mksquashfs")
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if err != nil {
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log.Fatal(err)
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}
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sp := strings.Split(filepath.Base(*tsTarballPath), "_")
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cmd := exec.Command(binPath, tmpDir, fmt.Sprintf("tailscale_sysext_%s.raw", sp[1]), "-quiet", "-noappend", "-all-root", "-root-mode", "755", "-b", "1M", "-comp", "xz", "-Xdict-size", "100%")
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cmd.Stderr = os.Stderr
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cmd.Stdout = os.Stdout
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if err := cmd.Run(); err != nil {
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log.Fatal(err)
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}
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}
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35
run.sh
35
run.sh
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#!/usr/bin/env bash
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set -ex
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TS_VER=1.22.0
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TS_ROOT="${HOME}/.local/share/tailscale"
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TS_PATH="${TS_ROOT}/tailscale_${TS_VER}_amd64"
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mkdir -p ${TS_ROOT}
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cd ${TS_ROOT}
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if [ ! -d "${TS_PATH}" ]; then
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curl -o tailscale_1.22.0_amd64.tgz https://pkgs.tailscale.com/stable/tailscale_1.22.0_amd64.tgz
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tar zxf tailscale_1.22.0_amd64.tgz
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fi
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sudo systemctl stop tailscaled.service ||:
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sudo systemd-run \
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--service-type=notify \
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--description="Tailscale node agent" \
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-u tailscaled.service \
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-p ExecStartPre="${HOME}/.local/share/tailscale/tailscale_1.22.0_amd64/tailscaled --cleanup" \
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-p ExecStopPost="${HOME}/.local/share/tailscale/tailscale_1.22.0_amd64/tailscaled --cleanup" \
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-p Restart=on-failure \
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-p RuntimeDirectory=tailscale \
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-p RuntimeDirectoryMode=0755 \
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-p StateDirectory=tailscale \
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-p StateDirectoryMode=0700 \
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-p CacheDirectory=tailscale \
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-p CacheDirectoryMode=0750 \
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"${HOME}/.local/share/tailscale/tailscale_1.22.0_amd64/tailscaled" \
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"--state=/var/lib/tailscale/tailscaled.state" \
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"--socket=/run/tailscale/tailscaled.sock"
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sudo ${TS_PATH}/tailscale up
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