...
Michel Le Cocq
parent
bde59ea303
commit
60e43d7fd2
|
|
@ -1,76 +1,77 @@
|
||||||
source : [Linsomniac's Articles - Encrypting ZFS on Ubuntu 20.04](https://linsomniac.gitlab.io/post/2020-04-09-ubuntu-2004-encrypted-zfs/)
|
source : [Linsomniac's Articles - Encrypting ZFS on Ubuntu 20.04](https://linsomniac.gitlab.io/post/2020-04-09-ubuntu-2004-encrypted-zfs/)
|
||||||
# encrypt - Unbuntu 20.04 full ZFS install
|
# encrypt - Unbuntu 20.04 full ZFS install
|
||||||
Here we are going to install Ubuntu 20.04 in **almost** full zfs updating **zsys-setup** to permit **zfs encryption**. Read bellow articles to understand why 2 differerent pools and full implementation.
|
Here we are going to install Ubuntu 20.04 in **almost** full zfs updating **zsys-setup** to permit **zfs encryption**. Read bellow articles to understand why 2 differerent pools and full implementation.
|
||||||
|
|
||||||
* [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/)
|
* [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/)
|
||||||
* [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 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 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 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 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 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 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 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/)
|
* [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/)
|
||||||
|
|
||||||
## initial boot and ssh
|
## initial boot and ssh
|
||||||
Boot the Ubuntu 20.04 Desktop installer/live CD.
|
Boot the Ubuntu 20.04 Desktop installer/live CD.
|
||||||
Click the “Try Ubuntu” button.
|
Click the “Try Ubuntu” button.
|
||||||
launch a terminal.
|
launch a terminal.
|
||||||
|
|
||||||
set a passwd to root to permit remote ssh
|
set a passwd to root to permit remote ssh
|
||||||
|
|
||||||
~~~
|
~~~
|
||||||
$ sudo su
|
$ sudo su
|
||||||
## passwd
|
## passwd
|
||||||
New password :
|
New password :
|
||||||
Retype new passord :
|
Retype new passord :
|
||||||
passwd: password updated successfully
|
passwd: password updated successfully
|
||||||
~~~
|
~~~
|
||||||
|
|
||||||
Install ssh to simplfy configuration edit.
|
Install ssh to simplfy configuration edit.
|
||||||
|
|
||||||
~~~
|
~~~
|
||||||
## apt install ssh
|
## apt install ssh
|
||||||
~~~
|
~~~
|
||||||
|
|
||||||
Edit **/etc/ssh/sshd_config** to **Enable PermitRootLogin** change *prohibit-password* to *yes* like bellow.
|
Edit **/etc/ssh/sshd_config** to **Enable PermitRootLogin** change *prohibit-password* to *yes* like bellow.
|
||||||
|
|
||||||
~~~{.shell}
|
~~~{.shell}
|
||||||
#PermitRootLogin prohibit-password
|
#PermitRootLogin prohibit-password
|
||||||
PermitRootLogin yes
|
PermitRootLogin yes
|
||||||
~~~
|
~~~
|
||||||
|
|
||||||
~~~
|
~~~
|
||||||
service ssh restart
|
service ssh restart
|
||||||
~~~
|
~~~
|
||||||
|
|
||||||
find yout IP with : *ip a*
|
find yout IP with : *ip a*
|
||||||
|
|
||||||
then connect remotely with : *ssh*
|
then connect remotely with : *ssh*
|
||||||
|
|
||||||
## update zsys-setup to enable zfs encyption on rpool
|
## update zsys-setup to enable zfs encyption on rpool
|
||||||
|
|
||||||
bpool remain unencrypt.
|
bpool remain unencrypt.
|
||||||
|
|
||||||
Search for “zpool create”, and make sure you have found the create command that has “rpool” on the last line.
|
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 “zpool create” insert: echo MYPASSWORD |
|
||||||
Before the last line of the command insert these lines:
|
Before the last line of the command insert these lines:
|
||||||
|
|
||||||
~~~{.cpp}
|
~~~{.cpp}
|
||||||
-O recordsize=1M \
|
-O recordsize=1M \
|
||||||
-O encryption=aes-256-gcm \
|
-O encryption=aes-256-gcm \
|
||||||
-O keylocation=prompt \
|
-O keylocation=prompt \
|
||||||
-O keyformat=passphrase \
|
-O keyformat=passphrase \
|
||||||
~~~
|
~~~
|
||||||
|
|
||||||
## swap
|
## swap
|
||||||
|
|
||||||
you may be interrested if you are on a laptop in : [right fit swap for laptop hibernation Ubuntu 20.04 full ZFS install](right-fit-swap-for-laptop-hibernation-Ubuntu-20.04-full-ZFS-install)
|
you may be interrested if you are on a laptop in : [right fit swap for laptop hibernation Ubuntu 20.04 full ZFS install](right-fit-swap-for-laptop-hibernation-Ubuntu-20.04-full-ZFS-install)
|
||||||
|
|
||||||
## start installation
|
## start installation
|
||||||
|
|
||||||
Run ubiquity to start the installer and install as normal, selecting “Use entire disk” and the option to use ZFS.
|
Run ubiquity to start the installer and install as normal, selecting “Use entire disk” and the option to use ZFS.
|
||||||
|
|
||||||
## questions to be solves
|
## questions to be solves
|
||||||
|
|
||||||
* what happen if zpool passwd is not given at boot shutdown ?
|
* what happen if zpool passwd is not given at boot shutdown ?
|
||||||
|
* find a way to shut it down pass a delay
|
||||||
|
|
|
||||||
|
|
@ -12,7 +12,7 @@
|
||||||
* Turn off swap
|
* Turn off swap
|
||||||
|
|
||||||
~~~
|
~~~
|
||||||
swapoff /dev/mapper/cryptswap1
|
swapoff /dev/mapper/cryptswap
|
||||||
~~~
|
~~~
|
||||||
|
|
||||||
* Undo the existing mapping.
|
* Undo the existing mapping.
|
||||||
|
|
@ -64,3 +64,5 @@ mkswap /dev/nvme0n1p2
|
||||||
~~~
|
~~~
|
||||||
swapon -a
|
swapon -a
|
||||||
~~~
|
~~~
|
||||||
|
|
||||||
|
Next you need to reboot to enable everything and test it.
|
||||||
|
|
|
||||||
|
|
@ -1,58 +1,62 @@
|
||||||
## encrypt swap partition
|
## prerequisite
|
||||||
|
|
||||||
sources :
|
* all command bellow are run has root
|
||||||
* [wiki.archlinux.org - dm-crypt/Swap encryption](https://wiki.archlinux.org/index.php/Dm-crypt/Swap_encryption#LVM_on_LUKS)
|
|
||||||
* [help.ubuntu.com - Enable Hibernate With Encrypted Swap](https://help.ubuntu.com/community/EnableHibernateWithEncryptedSwap)
|
## encrypt swap partition
|
||||||
|
|
||||||
~~~
|
sources :
|
||||||
apt-get install ecryptfs-utils
|
* [wiki.archlinux.org - dm-crypt/Swap encryption](https://wiki.archlinux.org/index.php/Dm-crypt/Swap_encryption#LVM_on_LUKS)
|
||||||
swapoff -a
|
* [help.ubuntu.com - Enable Hibernate With Encrypted Swap](https://help.ubuntu.com/community/EnableHibernateWithEncryptedSwap)
|
||||||
cryptsetup luksFormat --cipher aes-xts-plain64 --verify-passphrase --key-size 256 /dev/nvme0n1p2
|
|
||||||
cryptsetup open /dev/<device> cryptswap
|
~~~
|
||||||
mkswap /dev/mapper/cryptswap
|
apt-get install ecryptfs-utils
|
||||||
~~~
|
swapoff -a
|
||||||
|
cryptsetup luksFormat --cipher aes-xts-plain64 --verify-passphrase --key-size 256 /dev/nvme0n1p2
|
||||||
/!\ le point ci-dessous est sans doute inutile
|
cryptsetup open /dev/nvme0n1p2 cryptswap
|
||||||
|
mkswap /dev/mapper/cryptswap
|
||||||
* Change your /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT to remove resume part wich is now manage by initramfs
|
~~~
|
||||||
|
|
||||||
~~~
|
/!\ le point ci-dessous est sans doute inutile
|
||||||
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
|
|
||||||
~~~
|
* Change your /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT to remove resume part wich is now manage by initramfs
|
||||||
|
|
||||||
~~~
|
~~~
|
||||||
update-grub
|
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
|
||||||
~~~
|
~~~
|
||||||
|
|
||||||
Now ajust /etc/fstab to use your mapper, replace your encrypt swap device like bellow :
|
~~~
|
||||||
|
update-grub
|
||||||
~~~
|
~~~
|
||||||
/dev/mapper/cryptswap none swap discard 0 0
|
|
||||||
~~~
|
Now ajust /etc/fstab to use your mapper, replace your encrypt swap device like bellow :
|
||||||
|
|
||||||
add your encrypt swap device define in /etc/crypttab
|
~~~
|
||||||
|
/dev/mapper/cryptswap none swap discard 0 0
|
||||||
~~~
|
~~~
|
||||||
cryptswap /dev/nvme0n1p2 none luks
|
|
||||||
~~~
|
add your encrypt swap device define in /etc/crypttab
|
||||||
|
|
||||||
~~~
|
~~~
|
||||||
swapon -a
|
cryptswap /dev/nvme0n1p2 none luks
|
||||||
~~~
|
~~~
|
||||||
|
|
||||||
~~~
|
~~~
|
||||||
printf "RESUME=UUID=/dev/mapper/cryptswap" | tee /etc/initramfs-tools/conf.d/resume
|
swapon -a
|
||||||
~~~
|
~~~
|
||||||
|
|
||||||
Register these changes.
|
~~~
|
||||||
|
printf "RESUME=UUID=/dev/mapper/cryptswap" | tee /etc/initramfs-tools/conf.d/resume
|
||||||
~~~
|
~~~
|
||||||
update-initramfs -u -k all
|
|
||||||
~~~
|
Register these changes.
|
||||||
|
|
||||||
### to be solve
|
~~~
|
||||||
|
update-initramfs -u -k all
|
||||||
~~~
|
~~~
|
||||||
cryptsetup: ERROR: Couln't resolve device rpool/ROOT/ubuntu_...
|
|
||||||
cryptsetup: WARNING: Couln't determine root device
|
### to be solve
|
||||||
~~~
|
|
||||||
|
~~~
|
||||||
|
cryptsetup: ERROR: Couln't resolve device rpool/ROOT/ubuntu_...
|
||||||
|
cryptsetup: WARNING: Couln't determine root device
|
||||||
|
~~~
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue