diff --git a/eris/eris/__main__.py b/eris/eris/__main__.py
index 741e61f..9ac6b5b 100755
--- a/eris/eris/__main__.py
+++ b/eris/eris/__main__.py
@@ -50,6 +50,7 @@ Usage:
   eris [options] <directory>
   eris -h | --help
   eris -i | --info
+  eris -a | --apt-install-tools
 
 Example:
   # eris my_project
@@ -57,6 +58,7 @@ Example:
 Options:
   -h, --help                       Show the full help.
   -i, --info                       Show information about the available tools.
+  -a, --apt-install-tools          Install all tools. Ubuntu only.
   -w COUNT, --workers=COUNT        The number of processes working in parallel.
                                    By default it is the number of cpus minus 1.
   -e "COMMAND", --editor="COMMAND" The command used to start the editor, in
@@ -1137,6 +1139,10 @@ def check_arguments():
             sys.exit(1)
         os.environ["ERIS_CONFIG"] = config_path
     import eris.tools as tools
+    if arguments["--apt-install-tools"]:
+        subprocess.run(["sudo", "apt", "-y", "install"] + sorted(tools.dependencies()), check=True)
+        print("Installed all tools.")
+        sys.exit(0)
     if arguments["--info"]:
         print_tool_info()
         sys.exit(0)
diff --git a/eris/eris/tools.py b/eris/eris/tools.py
index 38f79ab..d9491b8 100755
--- a/eris/eris/tools.py
+++ b/eris/eris/tools.py
@@ -386,7 +386,7 @@ MAX_IMAGE_SIZE = 200
 
 
 def _resize_image(image, new_width):
-    import PIL.Image  # Here to avoid 'Segmentation Fault' in install-tools
+    import PIL.Image  # Here to avoid 'Segmentation Fault' in apt-install-tools
     scale = new_width / image.width
     return image.resize((int(image.width * scale), int(image.height * scale)), PIL.Image.ANTIALIAS)
 
diff --git a/install b/install
index 7cc7fdb..07b19d9 100755
--- a/install
+++ b/install
@@ -7,4 +7,4 @@ set -e
 sudo apt-get install -y python3.9 python3-pip
 python3.9 -m pip install "git+https://github.com/ahamilton/eris@2021.12.20#subdirectory=eris"
 # python3.9 -m pip install -e ./eris -e ./termstr -e ./fill3 -e ./lscolors  # When developing.
-./install-tools
+eris --apt-install-tools
diff --git a/install-tools b/install-tools
deleted file mode 100755
index cbef38c..0000000
--- a/install-tools
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/usr/bin/env python3.9
-
-
-import subprocess
-
-import eris.tools
-
-
-subprocess.run(["sudo", "apt-get", "-y", "install"] +
-               sorted(eris.tools.dependencies()), check=True)