Content Comparison

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1. inspect partitions:

   Using fdisk, view the current partitions. Take note of the start sector for partition 12!

   Code Block
   language bash
   root@e7c450f97e59root@3f60b4ebfc7f:~# fdisk /dev/mmcblk0mmcblk1 Welcome to fdisk (util-linux 2.36.1). Changes will remain in memory only, until you decide to write them. Be careful before using the write command. Command (m for help): p Disk /dev/mmcblk0mmcblk1: 7.2842 GiB, 78200832007969177600 bytes, 1527360015564800 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: dos Disk identifier: 0xcc3ec3d40xff9ddf85 Device Boot Start End Sectors Size Id Type /dev/mmcblk0p1 mmcblk1p1 8192 131071 122880 60M c W95 FAT32 (LBA) /dev/mmcblk1p2 49152 2690687131072 2048000 26415351916929 1.3G936M 83 Linux Command (m for help):

2. resize partition 1:

   Drop and re-create partition 1 2 at the same starting sector noted before, keeping the ext4 signature when prompted:

   Code Block
   language bash
   Command (m for help): d SelectedPartition partitionnumber (1,2, default 2): 2 Partition 12 has been deleted. Command (m for help): n Partition type p primary (01 primary, 0 extended, 43 free) e extended (container for logical partitions) Select (default p): p Partition number (12-4, default 12): 12 First sector (2048-1527359915564799, default 2048): 49152131072 Last sector, +/-sectors or +/-size{K,M,G,T,P} (49152131072-1527359915564799, default 1527359915564799): Created a new partition 12 of type 'Linux' and of size 7.34 GiB. Partition #1#2 contains a ext4 signature. Do you want to remove the signature? [Y]es/[N]o: N Command (m for help): p Disk /dev/mmcblk0mmcblk1: 7.2842 GiB, 78200832007969177600 bytes, 1527360015564800 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: dos Disk identifier: 0xcc3ec3d40xff9ddf85 Device Boot Start End Sectors Size Id Type /dev/mmcblk0p1mmcblk1p1 8192 131071 122880 60M c W95 FAT32 (LBA) /dev/mmcblk1p2 49152131072 1527359915564799 1522444815433728 7.3G4G 83 Linux Command (m for help): w The partition table has been altered. Syncing disks.

3. resize root filesystem:

   Linux supports online-resizing for the ext4 filesystem. Invoke resize2fs on partition 1 to do so:

   Code Block
   language bash
   root@e7c450f97e59root@3f60b4ebfc7f:~# resize2fs /dev/mmcblk0p1mmcblk1p2

Additional Information

• Developer documentation for reference image