From 2e191f4ab364cdb2d154edfa84d646822e1ce0df Mon Sep 17 00:00:00 2001
From: holger <retabell@gmx.de>
Date: Sat, 25 May 2024 20:44:58 +0200
Subject: [PATCH] create-minimal-container.sh

---
 create-minimal-container.sh | 58 +++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 create-minimal-container.sh

diff --git a/create-minimal-container.sh b/create-minimal-container.sh
new file mode 100644
index 0000000..b06e84a
--- /dev/null
+++ b/create-minimal-container.sh
@@ -0,0 +1,58 @@
+#!/bin/sh
+
+# create container with systemd-nspawn
+
+_container="minimal" # this will be your container name
+machinectl stop "$_container" 2>/dev/null
+sleep 2
+#rm -rf /var/lib/machines/"$_container"
+machinectl remove "$_container"
+
+echo 'kernel.unprivileged_userns_clone=1' >/etc/sysctl.d/nspawn.conf
+systemctl restart systemd-sysctl.service
+
+# create additional config file and enable host network
+mkdir -p /etc/systemd/nspawn
+echo "[Network]" >/etc/systemd/nspawn/"$_container".nspawn
+echo "VirtualEthernet=no" >>/etc/systemd/nspawn/"$_container".nspawn
+
+#debootstrap --include=systemd,dbus stable /var/lib/machines/"$_container"
+debootstrap --force-check-gpg --include=systemd,dbus,\
+apt-transport-https,\
+bash-completion,\
+ca-certificates,\
+mc,\
+mime-support,\
+busybox-static\
+ --exclude=nano,vim-tiny,vim-common,dmidecode bookworm /var/lib/machines/"$_container"
+
+# create link
+ln -s /usr/bin/busybox /var/lib/machines/"$_container"/usr/bin/vi
+
+# provide security repo
+echo "deb http://security.debian.org/debian-security bookworm-security main" >>/var/lib/machines/"$_container"/etc/apt/sources.list
+
+# set hostname
+echo "$_container" >/var/lib/machines/"$_container"/etc/hostname
+
+# create a rc.local DEPRECATED
+echo "#!/bin/sh" >/var/lib/machines/"$_container"/etc/rc.local
+#echo "apt update && apt dist-upgrade -y" >>/var/lib/machines/"$_container"/etc/rc.local
+#echo "rm -f /etc/rc.local" >>/var/lib/machines/"$_container"/etc/rc.local
+
+chmod ugo+x /var/lib/machines/"$_container"/etc/rc.local
+
+
+#echo "The new created container will start now..."
+#echo "set root password with #password"
+#echo "and then type logout"
+#echo -n "Continue  (y)? "
+#read answer
+
+#systemd-nspawn -D /var/lib/machines/"$_container" -U --machine "$_container"
+
+sleep 2
+machinectl start "$_container"
+sleep 2
+machinectl shell "$_container"
+echo "Please setup  now...."