diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
new file mode 100644
index 0000000..1cce8d3
--- /dev/null
+++ b/.github/workflows/linux.yml
@@ -0,0 +1,46 @@
+name: ci-debian
+
+on:
+  push:
+    paths-ignore:
+      - '**.md'
+  pull_request:
+    paths-ignore:
+      - '**.md'
+
+# The below variables reduce repetitions across similar targets
+env:
+  APT_SET_CONF: |
+        echo "Acquire::Retries       \"3\";"   | sudo tee -a /etc/apt/apt.conf.d/80-custom
+        echo "Acquire::http::Timeout \"120\";" | sudo tee -a /etc/apt/apt.conf.d/80-custom
+        echo "Acquire::ftp::Timeout  \"120\";" | sudo tee -a /etc/apt/apt.conf.d/80-custom
+
+jobs:
+  build-ubuntu:
+    runs-on: ubuntu-latest
+    env:
+      CCACHE_TEMPDIR: /tmp/.ccache-temp
+    strategy:
+      fail-fast: false
+    steps:
+    - uses: actions/checkout@v1
+      with:
+        submodules: recursive
+    - name: prepare environment
+      run: util/prep-env.sh
+    - name: set apt conf
+      run: ${{env.APT_SET_CONF}}
+    - name: install dependencies
+      run: util/deps-pull.sh
+    - name: build & install the unmanaged dependencies
+      run: util/deps-build.sh
+    - name: build
+      run: ./ci-default
+    - name: run demo
+      run: ./ci-default
+# It doesn't make sense for now, since we're not linking Boost statically yet.
+    - uses: actions/upload-artifact@v3
+      with:
+        name: SolOptXMR-ubuntu-latest
+        path: /home/runner/work/SolOptXMR/SolOptXMR/build/*.png
+
diff --git a/.gitignore b/.gitignore
index d83cbbc..afd6daa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,3 +34,6 @@
 # Python
 *.pyc
 .venv/
+
+# Build dirs
+build/
diff --git a/ci-default b/ci-default
new file mode 120000
index 0000000..b2d424e
--- /dev/null
+++ b/ci-default
@@ -0,0 +1 @@
+util/ci-debian.sh
\ No newline at end of file
diff --git a/src/generator.py b/src/generator.py
index 5c1e1b8..c205a7f 100755
--- a/src/generator.py
+++ b/src/generator.py
@@ -28,6 +28,7 @@
 config = config_builder.parse_config('config.json')
 
 ELEVATION_KEY = config.generator.ELEVATION_KEY
+BUILD_DIR='build/'  # TODO: Config
 
 # Not changable: system params
 MIN_POWER = config.generator.MIN_POWER
@@ -77,6 +78,10 @@ def plot_sun(name, elev, bat, usage):
     plt.plot(list_to_pd([MAX_USAGE]      * len(elev), elev))
     plt.grid()
     plt.legend(['sun input', 'bat capacity', 'power usage', 'max cap', 'half cap', 'max usage'])
+    os.makedirs(BUILD_DIR, exist_ok=True)
+    fout_rel_path = "{}/fig-{}.png".format(BUILD_DIR, name)
+    print("Saving figure to:",fout_rel_path)
+    plt.savefig(fout_rel_path)
     plt.show()
 
 def proc_data(pos):
@@ -213,7 +218,7 @@ def get_usage_endor_example(available):
         hashrates.append(hashrate)
         usage.append(use)
 
-    return "Endor's", hashrates, usage, loads, bat_sim, incomes, costs, effs
+    return "Endor", hashrates, usage, loads, bat_sim, incomes, costs, effs
 
 def get_usage_simple(available):
     usage_exp = [MAX_USAGE] * len(available)
@@ -255,17 +260,17 @@ def print_profits(incomes, costs):
     print(f"Total cost = {cost:.2f} USD")
     print(f"Total profit = {profit:.2f} USD")
     print(f"Profitability = {profitability:.2f} %")
-    
-def get_usage(available):
-    name, hashrates, usage, bat, bat_sim, incomes, costs, effs  = get_usage_simple(available)
-    #name, hashrates, usage, bat, bat_sim, incomes, costs, effs = get_usage_endor_example(available)
-    print("Algo name: ", name)
+
+def get_usage(available, algo):
+    name, hashrates, usage, bat, bat_sim, incomes, costs, effs  = algo(available)
+    print("\nAlgo name: ", name)
     bat_sim.print_stats(len(available))
     print_hashes(hashrates)
     print_profits(incomes, costs)
-    # print(effs)  # Check if efficiency is reasonable
+    #print(effs)  # Check if efficiency is reasonable
     # return name, list_to_pd(usage, available), list_to_pd(incomes, available), list_to_pd(costs, available), list_to_pd(bat, available)
-    return name, list_to_pd(usage, available), list_to_pd(bat, available)
+    return name, list_to_pd(usage, available), list_to_pd(bat, available) 
+
 
 def list_to_pd(listt, df):
     return pd.DataFrame(listt, index=df.index.copy())
@@ -277,11 +282,18 @@ def simul_weather(pos):
 
     return pos
 
+def run_main(elev):
+    run_algo(elev, get_usage_simple)
+    run_algo(elev, get_usage_endor_example)
+
+def run_algo(elev, algo):
+    name, usage, bat = get_usage(elev, algo)
+    plot_sun(name, elev, bat, usage)
+
 pos = get_sun_positions()
 #print(pos)
 
 proc = proc_data(pos)
 elev = extr_data(proc)
-name, usage, bat = get_usage(elev)
-# name, usage, incomes, costs, bat = get_usage(elev)
-plot_sun(name, elev, bat, usage)
+run_main(elev)
+
diff --git a/util/ci-debian.sh b/util/ci-debian.sh
new file mode 100755
index 0000000..8586d89
--- /dev/null
+++ b/util/ci-debian.sh
@@ -0,0 +1,4 @@
+#!/bin/sh -e
+
+python3 src/generator.py
+
diff --git a/util/deps-build.sh b/util/deps-build.sh
new file mode 100755
index 0000000..f6eb068
--- /dev/null
+++ b/util/deps-build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh -e
+
diff --git a/util/deps-pull.sh b/util/deps-pull.sh
new file mode 100755
index 0000000..0aa1b42
--- /dev/null
+++ b/util/deps-pull.sh
@@ -0,0 +1,5 @@
+#!/bin/sh -e
+
+#sudo apt install gfortran libffi-dev
+#sudo apt install libffi-dev
+pip3 install -r requirements.txt
diff --git a/util/prep-env.sh b/util/prep-env.sh
new file mode 100755
index 0000000..f6eb068
--- /dev/null
+++ b/util/prep-env.sh
@@ -0,0 +1,2 @@
+#!/bin/sh -e
+