* [ZFS focus on Ubuntu 20.04 LTS: what’s new?](https://didrocks.fr/2020/05/21/zfs-focus-on-ubuntu-20.04-lts-whats-new/)
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* [ZFS focus on Ubuntu 20.04 LTS: ZSys general presentation](https://didrocks.fr/2020/05/26/zfs-focus-on-ubuntu-20.04-lts-zsys-general-presentation/)
* [ZFS focus on Ubuntu 20.04 LTS: ZSys sate management](https://didrocks.fr/2020/05/28/zfs-focus-on-ubuntu-20.04-lts-zsys-general-principle-on-state-management/)
* [ZFS focus on Ubuntu 20.04 LTS: ZSys commands for state management](https://didrocks.fr/2020/06/02/zfs-focus-on-ubuntu-20.04-lts-zsys-commands-for-state-management/)
* [ZFS focus on Ubuntu 20.04 LTS: ZSys state collection](https://didrocks.fr/2020/06/04/zfs-focus-on-ubuntu-20.04-lts-zsys-state-collection/)
* [ZFS focus on Ubuntu 20.04 LTS: ZSys for system administrators](https://didrocks.fr/2020/06/09/zfs-focus-on-ubuntu-20.04-lts-zsys-for-system-administrators/)
* [ZFS focus on Ubuntu 20.04 LTS: ZSys partition layout](https://didrocks.fr/2020/06/11/zfs-focus-on-ubuntu-20.04-lts-zsys-partition-layout/)
* [ZFS focus on Ubuntu 20.04 LTS: ZSys dataset layout](https://didrocks.fr/2020/06/16/zfs-focus-on-ubuntu-20.04-lts-zsys-dataset-layout/)
* [ZFS focus on Ubuntu 20.04 LTS: ZSys properties on ZFS datasets](https://didrocks.fr/2020/06/19/zfs-focus-on-ubuntu-20.04-lts-zsys-properties-on-zfs-datasets/)
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Here we are updating **zsys-setup** to permit **zfs encryption**.
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## initial boot and ssh
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Boot the Ubuntu 20.04 Desktop installer/live CD.
Click the “Try Ubuntu” button.
launch a terminal.
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set a passwd to root to permit remote ssh
~~~
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$ sudo su
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## passwd
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New password :
Retype new passord :
passwd: password updated successfully
~~~
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Install ssh to simplfy configuration edit.
~~~
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## apt install ssh
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~~~
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Edit **/etc/ssh/sshd_config** to **Enable PermitRootLogin** change *prohibit-password* to *yes* like bellow.
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~~~{.shell}
#PermitRootLogin prohibit-password
PermitRootLogin yes
~~~
~~~
service ssh restart
~~~
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find yout IP with : *ip a*
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then connect remotely with : *ssh*
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## update zsys-setup to enable zfs encyption on rpool
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bpool remain unencrypt.
Search for “zpool create”, and make sure you have found the create command that has “rpool” on the last line.
Before the “zpool create” insert: echo MYPASSWORD |
Before the last line of the command insert these lines:
~~~{.cpp}
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-O recordsize=1M \
-O encryption=aes-256-gcm \
-O keylocation=prompt \
-O keyformat=passphrase \
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~~~
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## swap
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you may be interrested if you are on a laptop in : [add right fit swap for laptop hibernation during ubuntu 20.04 full ZFS install](add-right-fit-swap-for-laptop-hibernation-during-ubuntu-20.04-full-ZFS-install)
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## start installation
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Run ubiquity to start the installer and install as normal, selecting “Use entire disk” and the option to use ZFS.
