From 8d2890e93ff96fc21d6e00fe0a03cf4b1a871271 Mon Sep 17 00:00:00 2001
From: hrbrmstr <bob@rud.is>
Date: Wed, 10 Jun 2026 09:26:45 -0400
Subject: add apple container machine artifacts: two Dockerfiles
 (recon-machine, ubuntu-systemd-admin) and the apple-container-machine skill

---
 .../Dockerfile.ubuntu-systemd-admin                | 51 ++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 2026/apple-container-machine-machines/Dockerfile.ubuntu-systemd-admin

(limited to '2026/apple-container-machine-machines/Dockerfile.ubuntu-systemd-admin')

diff --git a/2026/apple-container-machine-machines/Dockerfile.ubuntu-systemd-admin b/2026/apple-container-machine-machines/Dockerfile.ubuntu-systemd-admin
new file mode 100644
index 0000000..4f5ebaf
--- /dev/null
+++ b/2026/apple-container-machine-machines/Dockerfile.ubuntu-systemd-admin
@@ -0,0 +1,51 @@
+FROM ubuntu:24.04
+
+ENV container container
+
+# Base system + networking
+RUN apt-get update && \
+    apt-get install -y \
+    dbus systemd openssh-server \
+    curl ca-certificates \
+    sudo iproute2 iputils-ping net-tools \
+    && apt-get clean && rm -rf /var/lib/apt/lists/*
+
+# Systemd admin tooling
+RUN apt-get update && \
+    apt-get install -y \
+    systemd-container \
+    tmux \
+    fzf \
+    jq \
+    ripgrep \
+    bash-completion \
+    && apt-get clean && rm -rf /var/lib/apt/lists/*
+
+# Init setup for container machine
+RUN >/etc/machine-id && >/var/lib/dbus/machine-id
+
+RUN systemctl set-default multi-user.target && \
+    systemctl mask \
+      dev-hugepages.mount \
+      sys-fs-fuse-connections.mount \
+      systemd-update-utmp.service \
+      systemd-tmpfiles-setup.service \
+      console-getty.service && \
+    systemctl disable \
+      networkd-dispatcher.service
+
+# SSH config for remote access
+RUN sed -i -e 's/^AcceptEnv LANG LC_\*$/#AcceptEnv LANG LC_*/' /etc/ssh/sshd_config && \
+    sed -i 's/^#PermitRootLogin prohibit-password/PermitRootLogin yes/' /etc/ssh/sshd_config
+
+# Admin directory structure
+RUN mkdir -p /etc/systemd-admin /etc/skel/.ssh/controlmasters
+
+# SSH client config template for new users (applies to host user via home mount)
+COPY ssh_config /etc/skel/.ssh/config
+RUN chmod 600 /etc/skel/.ssh/config
+
+# Copy hosts file and profile helpers
+COPY hosts /etc/systemd-admin/hosts
+COPY systemd-admin.sh /etc/profile.d/systemd-admin.sh
+RUN chmod 644 /etc/systemd-admin/hosts /etc/profile.d/systemd-admin.sh
-- 
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