Disclaimer: ALWAYS BACKUP YOUR DATA WHEN MAKING ANY CHANGES TO ANY FILE SYSTEMS. I will not be held responsible for any damage that you may incur as a result of following these instructions, and this should be used for informational purposes only, and as an outline of a process that worked for me on my particular hardware. KTHX.
First of all, make sure you have a fully updated system, regardless of your Ubuntu version.
Press Alt + F2 on your keyboard and type in
update-manager -d
The Update Manager will appear. Click on the Upgrade button. After the updates have completed, close and move on…
Now go to System->Partition Editor. This will show all the partition in your hard disk. Record down the filesystem ID of the partition that you want to convert to ext4.
Now, open a terminal and type the following:
sudo tune2fs -O extents,uninit_bg,dir_index /dev/XXXXXX
(Replace XXXX with the filesystem ID that you learned earlier)
sudo fsck -pf /dev/XXXXXX
Now, mount the drive:
sudo mount -t ext4 /dev/XXXXXX /mnt
You will now need to edit your system’s fstab file, which you can find in /mnt/etc/fstab (after mounting above) and change the ext3 entry to ext4.
Now you’re done, reinstall grub, reboot, and cross ya fingahz:
sudo grub-install /dev/XXXXXX
shutdown -r now
🙂
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This post is beyond awesome. I am always wondering what to do and what not to do so I will follow some of these tips.