Add .deb package builder script
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
tocmo0nlord
205
packaging/build-deb.sh
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205
packaging/build-deb.sh
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#!/usr/bin/env bash
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# ─────────────────────────────────────────────────────────────
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# LLM Trainer — .deb package builder
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# Run this on the Ubuntu machine after cloning the repo:
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# chmod +x packaging/build-deb.sh
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# ./packaging/build-deb.sh
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# ─────────────────────────────────────────────────────────────
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set -euo pipefail
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PKG_NAME="llm-trainer"
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PKG_VERSION="1.0.0"
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PKG_ARCH="amd64"
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PKG_DIR="${PKG_NAME}_${PKG_VERSION}_${PKG_ARCH}"
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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REPO_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"
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OUT_DIR="${REPO_ROOT}"
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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echo " LLM Trainer .deb Builder"
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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# ── Check dependencies ────────────────────────────────────────
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for cmd in node npm python3 pip3 dpkg-deb nginx; do
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if ! command -v "$cmd" &>/dev/null; then
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echo "[ERROR] Required command not found: $cmd"
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echo " Install with: sudo apt install nodejs npm python3-pip nginx"
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exit 1
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fi
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done
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# ── Build frontend ────────────────────────────────────────────
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echo ""
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echo "[1/4] Building React frontend..."
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cd "${REPO_ROOT}/frontend"
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npm install --silent
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npm run build
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echo " Frontend built → frontend/dist"
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# ── Create package directory tree ─────────────────────────────
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echo ""
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echo "[2/4] Creating package structure..."
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BUILD="${REPO_ROOT}/${PKG_DIR}"
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rm -rf "${BUILD}"
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install -d "${BUILD}/DEBIAN"
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install -d "${BUILD}/opt/llm-trainer/backend"
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install -d "${BUILD}/opt/llm-trainer/frontend"
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install -d "${BUILD}/opt/llm-trainer/venv"
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install -d "${BUILD}/lib/systemd/system"
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install -d "${BUILD}/etc/nginx/sites-available"
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install -d "${BUILD}/etc/nginx/sites-enabled"
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install -d "${BUILD}/etc/llm-trainer"
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install -d "${BUILD}/var/log/llm-trainer"
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# Copy backend
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cp "${REPO_ROOT}/backend/"*.py "${BUILD}/opt/llm-trainer/backend/"
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cp "${REPO_ROOT}/backend/requirements.txt" "${BUILD}/opt/llm-trainer/backend/"
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# Copy built frontend
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cp -r "${REPO_ROOT}/frontend/dist/." "${BUILD}/opt/llm-trainer/frontend/"
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# ── Write control files ───────────────────────────────────────
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cat > "${BUILD}/DEBIAN/control" <<EOF
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Package: ${PKG_NAME}
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Version: ${PKG_VERSION}
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Architecture: ${PKG_ARCH}
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Maintainer: tocmo0nlord
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Depends: python3 (>= 3.10), python3-pip, python3-venv, nginx
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Description: LLM Trainer Dashboard
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Web dashboard for managing LLM training pipelines via SSH.
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Includes document ingestion, QA pair generation, curation,
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training monitor, and an interactive terminal.
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EOF
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# ── Systemd service ───────────────────────────────────────────
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cat > "${BUILD}/lib/systemd/system/llm-trainer.service" <<EOF
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[Unit]
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Description=LLM Trainer Backend
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After=network.target
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[Service]
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Type=simple
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User=llm-trainer
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Group=llm-trainer
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WorkingDirectory=/opt/llm-trainer/backend
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ExecStart=/opt/llm-trainer/venv/bin/uvicorn main:app --host 127.0.0.1 --port 8080
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Restart=always
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RestartSec=5
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StandardOutput=append:/var/log/llm-trainer/backend.log
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StandardError=append:/var/log/llm-trainer/backend.log
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Environment=PYTHONUNBUFFERED=1
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[Install]
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WantedBy=multi-user.target
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EOF
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# ── Nginx config ──────────────────────────────────────────────
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cat > "${BUILD}/etc/nginx/sites-available/llm-trainer" <<'EOF'
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server {
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listen 3000;
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server_name _;
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root /opt/llm-trainer/frontend;
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index index.html;
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# Serve React SPA
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location / {
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try_files $uri $uri/ /index.html;
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}
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# Proxy REST API to FastAPI backend
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location /api/ {
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proxy_pass http://127.0.0.1:8080;
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proxy_http_version 1.1;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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# WebSocket support (terminal, log streaming)
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection "upgrade";
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proxy_read_timeout 86400;
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}
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}
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EOF
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# ── postinst ──────────────────────────────────────────────────
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cat > "${BUILD}/DEBIAN/postinst" <<'POSTINST'
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#!/bin/bash
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set -e
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# Create system user
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if ! id -u llm-trainer &>/dev/null; then
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useradd --system --no-create-home --shell /usr/sbin/nologin llm-trainer
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fi
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# Set permissions
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chown -R llm-trainer:llm-trainer /opt/llm-trainer
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chown -R llm-trainer:llm-trainer /var/log/llm-trainer
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# Build Python venv and install deps
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echo "Installing Python dependencies..."
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python3 -m venv /opt/llm-trainer/venv
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/opt/llm-trainer/venv/bin/pip install --quiet --upgrade pip
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/opt/llm-trainer/venv/bin/pip install --quiet -r /opt/llm-trainer/backend/requirements.txt
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chown -R llm-trainer:llm-trainer /opt/llm-trainer/venv
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# Enable nginx site
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ln -sf /etc/nginx/sites-available/llm-trainer /etc/nginx/sites-enabled/llm-trainer
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nginx -t && systemctl reload nginx || true
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# Enable and start backend service
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systemctl daemon-reload
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systemctl enable llm-trainer
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systemctl start llm-trainer
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echo ""
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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echo " LLM Trainer installed successfully!"
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echo " Open: http://$(hostname -I | awk '{print $1}'):3000"
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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POSTINST
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chmod 0755 "${BUILD}/DEBIAN/postinst"
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# ── prerm ─────────────────────────────────────────────────────
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cat > "${BUILD}/DEBIAN/prerm" <<'PRERM'
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#!/bin/bash
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set -e
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systemctl stop llm-trainer 2>/dev/null || true
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systemctl disable llm-trainer 2>/dev/null || true
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rm -f /etc/nginx/sites-enabled/llm-trainer
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systemctl reload nginx 2>/dev/null || true
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PRERM
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chmod 0755 "${BUILD}/DEBIAN/prerm"
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# ── postrm ────────────────────────────────────────────────────
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cat > "${BUILD}/DEBIAN/postrm" <<'POSTRM'
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#!/bin/bash
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set -e
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if [ "$1" = "purge" ]; then
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rm -rf /opt/llm-trainer
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rm -rf /var/log/llm-trainer
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rm -f /etc/nginx/sites-available/llm-trainer
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userdel llm-trainer 2>/dev/null || true
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fi
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POSTRM
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chmod 0755 "${BUILD}/DEBIAN/postrm"
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# ── Build .deb ────────────────────────────────────────────────
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echo ""
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echo "[3/4] Building .deb package..."
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cd "${REPO_ROOT}"
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dpkg-deb --build --root-owner-group "${PKG_DIR}"
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echo " Package built → ${PKG_DIR}.deb"
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# ── Cleanup ───────────────────────────────────────────────────
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rm -rf "${BUILD}"
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echo ""
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echo "[4/4] Done!"
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echo ""
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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echo " Install with:"
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echo " sudo dpkg -i ${PKG_DIR}.deb"
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echo " sudo apt-get install -f # fix any missing deps"
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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