ubuntu-18.04-server-cloudimg-amd64.sh

README.md

@@ -293,9 +293,10 @@ Includes Linux concepts and utilities that work on Linux, not necessarily in the
 1.  [Virtualization](virtualization.md)
     1.  [Docker](docker/)
     1.  [QEMU](qemu.md)
-        1. [debootstrap-ubuntu-qemu.sh](debootstrap-ubuntu-qemu.sh)
-        1. [debootstrap-ubuntu-qemu-arm.sh](debootstrap-ubuntu-qemu-arm.sh)
-        1. [debootstrap-debian-qemu.sh](debootstrap-debian-qemu.sh)
+        1.  [debootstrap-ubuntu-qemu.sh](debootstrap-ubuntu-qemu.sh)
+        1.  [debootstrap-ubuntu-qemu-arm.sh](debootstrap-ubuntu-qemu-arm.sh)
+        1.  [debootstrap-debian-qemu.sh](debootstrap-debian-qemu.sh)
+        1.  [ubuntu-18.04-server-cloudimg-amd64.sh](ubuntu-18.04-server-cloudimg-amd64.sh)
     1.  [Xen](xen.md)
     1.  [Vagrant](vagrang/)
     1.  [Intel SDE](intel-sde.md)

info.md

@@ -44,9 +44,9 @@ Node:
 
 - `u`: parent node
 - `t`: top node
-- `[,`, `]:` next previous node. May   change node level
+- `[,`, `]:` next previous node. May change node level
 - `n`, `p`: same as `[` and `]`, but cannot change node level
-- `l`: go to last viewed node. can be used several times
+- `l`: go to last viewed node. Can be used several times.
 - `g`: like m, but search all nodes
 
 Search:

ubuntu-18.04-server-cloudimg-amd64.sh

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+
+sudo apt-get install cloud-image-utils qemu
+
+# This is already in qcow2 format.
+img=ubuntu-18.04-server-cloudimg-amd64.img
+if [ ! -f "$img" ]; then
+  wget "https://cloud-images.ubuntu.com/releases/18.04/release/${img}"
+
+  # sparse resize: does not use any extra space, just allows the resize to happen later on.
+  # https://superuser.com/questions/1022019/how-to-increase-size-of-an-ubuntu-cloud-image
+  qemu-img resize "$img" +128G
+fi
+
+user_data=user-data.img
+if [ ! -f "$user_data" ]; then
+  # For the password.
+  # https://serverfault.com/questions/920117/how-do-i-set-a-password-on-an-ubuntu-cloud-image
+  # https://askubuntu.com/questions/507345/how-to-set-a-password-for-ubuntu-cloud-images-ie-not-use-ssh
+  cat >user-data <<EOF
+#cloud-config
+password: asdfqwer
+chpasswd: { expire: False }
+ssh_pwauth: True
+EOF
+  cloud-localds "$user_data" user-data
+fi
+
+qemu-system-x86_64 \
+  -drive "file=${img},format=qcow2" \
+  -drive "file=${user_data},format=raw" \
+  -device rtl8139,netdev=net0 \
+  -enable-kvm \
+  -m 2G \
+  -netdev user,id=net0 \
+  -serial mon:stdio \
+  -smp 2 \
+  -vga virtio \
+;