Free up additional storage space - TUXEDO Computers

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Free up additional storage space

By default, Linux reserves 5 percent of the data blocks for the root user when creating an ext2, ext3, or ext4 partition. This is a security measure so that you can still access the system as root even if the hard disk is completely full.

With an extra home partition, however, this makes no sense, and with partition sizes of triple-digit GBytes, there is a good bit of storage space that is not available to the user. This can be adjusted later with this command to 0 MByte for the respective partition:

tune2fs -m 0 /dev/device-id

The 0 here stands for 0 MByte reserve memory. You must still adapt the device ID to the designation of the storage medium in your system. You can determine the ID using the lsblk command, for example. In the following example, the device ID of the home partition would be /dev/nvme0n1p4.

lsblk
(out)NAME        MAJ:MIN RM   SIZE RO TYPE MOUNTPOINTS
(out)sda           8:0    1     0B  0 disk 
(out)nvme0n1     259:0    0 931.5G  0 disk 
(out)├─nvme0n1p1 259:1    0   512M  0 part /boot/efi
(out)├─nvme0n1p2 259:2    0   123G  0 part /
(out)└─nvme0n1p3 259:3    0     8G  0 part SWAP
(out)└─nvme0n1p4 259:3    0   800G  0 part /home