Simplify installation scripts

docs/ubuntu-installation.md

@@ -14,8 +14,6 @@ The partitioning is :
 
 1. 256 MB : EFI partition
 2. 20 GB : system partition
-3. 32 GB : unused partition (will be used later)
-4. rest : unused partition (will be used later)
 
 ![img4](img/ubuntu-installation/4.png)
 ![img5](img/ubuntu-installation/5.png)
@@ -27,43 +25,34 @@ Skip the welcoming window.
 
 Don't install updates if Ubuntu asks to. The scripts will.
 
-Start the disk utility to name partitions so that OverlayFS can identify them.
-
-3. 32 GB - **Partition 3** : `01-tmp-home`
-4. rest - **Partition 4** : `01-tmp-system`
-
-The same procedure is required to make USB disk usable for the students, the partition name must be : `01-home`
-
-![img7](img/ubuntu-installation/7.png)
-![img8](img/ubuntu-installation/8.png)
-![img9](img/ubuntu-installation/9.png)
-
 ## OS configuration
 
-```shell
-student@tmp-hostname:~$ wget github.com/01-edu/public/archive/master.zip
-student@tmp-hostname:~$ unzip master.zip
-student@tmp-hostname:~$ cd public-master/scripts
-student@tmp-hostname:~$ sudo ./install_client.sh
+Run a terminal and type :
+
+```console
+student@ubuntu:~$ unset HISTFILE
+student@ubuntu:~$ apt-get -y install curl
+student@ubuntu:~$ bash <(curl -sSL raw.githubusercontent.com/01-edu/public/master/scripts/kickstart.sh)
 [...]
 Ask for student user password (will be removed later)
 [...]
-Ask to set the root password
-[...]
-Long installation/configuration process
-[...]
-student@tmp-hostname:~$ cat dconfig.txt | dconf load /
-student@tmp-hostname:~$ reboot
+Long installation/configuration process then reboots
 ```
 
 The system is now read-only, every data is written to a temporary partition.
 
 The session is password-less.
 
-To gain a superuser terminal with read/write access to the filesystem, type these commands:
+To gain a superuser terminal, use SSH :
+
+```console
+user@remote:~$ ssh -p521 root@IP_ADDRESS
+```
+
+To gain access with read/write access to the filesystem, use this command :
 
-```shell
-student@tmp-hostname:~$ su -
-Password:
-root@tmp-hostname:~# overlayroot-chroot
+```console
+root@ubuntu:~# overlayroot-chroot
+INFO: Chrooting into [/media/root-ro]
+root@ubuntu:/#
 ```

scripts/install_client.sh

@@ -17,6 +17,14 @@ DISK=$(lsblk -o tran,kname,hotplug,type,fstype -pr |
 	sort |
 	head -n1)
 
+systemctl stop unattended-upgrades.service
+gsettings set org.gnome.desktop.screensaver lock-enabled false
+
+sgdisk -n0:0:+32G "$DISK"
+sgdisk -N0 "$DISK"
+sgdisk -c3:01-tmp-home "$DISK"
+sgdisk -c4:01-tmp-system "$DISK"
+
 apt-get update
 apt-get -y upgrade
 apt-get -y autoremove --purge

scripts/kickstart.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+# Run me with:
+#
+# bash <(curl -Ss raw.githubusercontent.com/01-edu/public/master/scripts/kickstart.sh)
+
+wget github.com/01-edu/public/archive/master.zip
+unzip master.zip
+cd public-master/scripts
+sudo ./install_client.sh
+cat dconfig.txt | dconf load /
+cd ../..
+rm -rf master.zip public-master
+reboot