Mova espaço de/home para/(root) no Ubuntu 20 sem pendrive/cd inicializável no SSD

Question

Quero mover 30 GB de espaço de casa para o root.

Filesystem      Size  Used Avail Use% Mounted on
udev            7.8G     0  7.8G   0% /dev
tmpfs           1.6G   11M  1.6G   1% /run
/dev/nvme0n1p7   19G   14G  3.6G  80% /
tmpfs           7.8G  158M  7.6G   2% /dev/shm
tmpfs           5.0M  4.0K  5.0M   1% /run/lock
tmpfs           7.8G     0  7.8G   0% /sys/fs/cgroup
/dev/loop1       56M   56M     0 100% /snap/core18/1885
/dev/loop2       16M   16M     0 100% /snap/easy-openvpn-server/64
/dev/loop5      256M  256M     0 100% /snap/gnome-3-34-1804/36
/dev/loop3      162M  162M     0 100% /snap/gnome-3-28-1804/128
/dev/loop4       97M   97M     0 100% /snap/core/9804
/dev/loop6      2.5M  2.5M     0 100% /snap/gnome-calculator/748
/dev/loop0       97M   97M     0 100% /snap/core/9665
/dev/loop7       63M   63M     0 100% /snap/gtk-common-themes/1506
/dev/loop8      1.0M  1.0M     0 100% /snap/gnome-logs/100
/dev/loop9      384K  384K     0 100% /snap/gnome-characters/550
/dev/loop10      87M   87M     0 100% /snap/simplescreenrecorder/1
/dev/loop11     2.3M  2.3M     0 100% /snap/gnome-system-monitor/148
/dev/loop12      68M   68M     0 100% /snap/sublime-text/85
/dev/nvme0n1p8  147G  1.6G  138G   2% /home
/dev/nvme0n1p1  356M  116M  241M  33% /boot/efi
tmpfs           1.6G   24K  1.6G   1% /run/user/1000

Minha partição inicial tem atualmente 147 GB e a raiz tem 19 GB. Quero fazer 117 GB + 49 GB. Eu tentei sommands dados emhttps://unix.stackexchange.com/questions/213245/increase-root-partition-by-reduce-homesubstituindo /dev/mapper...por /dev/nvme...login do console. Mas o fsckcomando está dando erroCannot continue, aborting.

Por favor sugira.