> For the complete documentation index, see [llms.txt](https://tk233.gitbook.io/notes/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tk233.gitbook.io/notes/tools/ubuntu/partitioning-sd-card.md).

# Partitioning SD card

### Errata

If encounter the following error showing that the disk is read-only, make sure that the lock pin on the SD card is switched to near the pin-side of the card, such that the card is unlocked and writable.

<figure><img src="/files/GbecAHk0dyuAkxk6iZpc" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/LfIiSCb0BSuefiRotyuj" alt=""><figcaption><p>In "Disks" it also shows the disk is "Read-Only"</p></figcaption></figure>