root@ubuntu-mate:/# apt-get install grub2
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following additional packages will be installed:
  grub-common grub-ieee1275 grub-ieee1275-bin grub2-common os-prober
Suggested packages:
  multiboot-doc grub-emu xorriso
The following NEW packages will be installed:
  grub-common grub-ieee1275 grub-ieee1275-bin grub2 grub2-common os-prober
0 upgraded, 6 newly installed, 0 to remove and 0 not upgraded.
Need to get 2,661 kB of archives.
After this operation, 15.9 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://us.ports.ubuntu.com/ubuntu-ports zesty/main powerpc grub-common powerpc 2.02~beta3-4ubuntu1 [1,531 kB]
Get:2 http://us.ports.ubuntu.com/ubuntu-ports zesty/main powerpc grub2-common powerpc 2.02~beta3-4ubuntu1 [508 kB]
Get:3 http://us.ports.ubuntu.com/ubuntu-ports zesty/main powerpc grub-ieee1275-bin powerpc 2.02~beta3-4ubuntu1 [530 kB]
Get:4 http://us.ports.ubuntu.com/ubuntu-ports zesty/main powerpc grub-ieee1275 powerpc 2.02~beta3-4ubuntu1 [72.4 kB]
Get:5 http://us.ports.ubuntu.com/ubuntu-ports zesty/universe powerpc grub2 powerpc 2.02~beta3-4ubuntu1 [2,524 B]
Get:6 http://us.ports.ubuntu.com/ubuntu-ports zesty/main powerpc os-prober powerpc 1.74ubuntu1 [16.9 kB]
Fetched 2,661 kB in 1s (1,862 kB/s)
Preconfiguring packages ...
E: Can not write log (Is /dev/pts mounted?) - posix_openpt (19: No such device)
Selecting previously unselected package grub-common.
(Reading database ... 223843 files and directories currently installed.)
Preparing to unpack .../0-grub-common_2.02~beta3-4ubuntu1_powerpc.deb ...
Unpacking grub-common (2.02~beta3-4ubuntu1) ...
Selecting previously unselected package grub2-common.
Preparing to unpack .../1-grub2-common_2.02~beta3-4ubuntu1_powerpc.deb ...
Unpacking grub2-common (2.02~beta3-4ubuntu1) ...
Selecting previously unselected package grub-ieee1275-bin.
Preparing to unpack .../2-grub-ieee1275-bin_2.02~beta3-4ubuntu1_powerpc.deb ...
Unpacking grub-ieee1275-bin (2.02~beta3-4ubuntu1) ...
Selecting previously unselected package grub-ieee1275.
Preparing to unpack .../3-grub-ieee1275_2.02~beta3-4ubuntu1_powerpc.deb ...
Unpacking grub-ieee1275 (2.02~beta3-4ubuntu1) ...
Selecting previously unselected package grub2.
Preparing to unpack .../4-grub2_2.02~beta3-4ubuntu1_powerpc.deb ...
Unpacking grub2 (2.02~beta3-4ubuntu1) ...
Selecting previously unselected package os-prober.
Preparing to unpack .../5-os-prober_1.74ubuntu1_powerpc.deb ...
Unpacking os-prober (1.74ubuntu1) ...
Processing triggers for ureadahead (0.100.0-19) ...
Processing triggers for install-info (6.3.0.dfsg.1-1) ...
Setting up grub-common (2.02~beta3-4ubuntu1) ...
update-rc.d: warning: start and stop actions are no longer supported; falling back to defaults
Running in chroot, ignoring request.
Processing triggers for systemd (232-18ubuntu1) ...
Processing triggers for man-db (2.7.6.1-2) ...
Setting up grub-ieee1275-bin (2.02~beta3-4ubuntu1) ...
Setting up grub2-common (2.02~beta3-4ubuntu1) ...
Setting up os-prober (1.74ubuntu1) ...
Setting up grub-ieee1275 (2.02~beta3-4ubuntu1) ...

Creating config file /etc/default/grub with new version
Setting up grub2 (2.02~beta3-4ubuntu1) ...
Processing triggers for ureadahead (0.100.0-19) ...
root@ubuntu-mate:/#