Remote Bitstream Update

Copy a new .bit file to the RFSoC board over the network and reboot to load it, without physically accessing the SD card.

Prerequisites

The board has been imaged and booted at least once (see SD Card Imaging in this how-to section).
SSH access to the board as root. Default IP is 10.0.0.10 (DHCP-assigned; adjust if your network differs).
A freshly built .bit file in the Vivado images directory, e.g.: firmware/targets/<your-target-dir>/images/<full-name>.bit

Copy the bitstream to the SD card boot partition on the board:
```
scp firmware/targets/<your-target-dir>/images/<full-name>.bit \
    root@10.0.0.10:/boot/system.bit
```
Replace <your-target-dir> and <full-name> with your actual target directory name and the timestamped filename produced by the build (schema: <TargetName>-<PRJ_VERSION>-<YYYYMMDDHHMMSS>-<user>-<git-short-SHA>).
Flush writes and reboot the board:
```
ssh root@10.0.0.10 '/bin/sync; /sbin/reboot'
```
The sync command is critical: writing to an SD card is slow and rebooting before the write completes may corrupt the file. sync blocks until all writes are flushed to the card.

After the board comes back up (typically 30–60 s), confirm it is reachable:

ping -c 4 10.0.0.10

Then connect with the Rogue GUI (see Launch the Rogue GUI in this how-to section) and verify the firmware version register matches the new build.

The SD card is mounted read-write at /boot/ on the running system. Any file in /boot/ can be updated remotely using the same scp + sync + reboot pattern.
The runtime filesystem is in memory (tmpfs/initramfs), so the system continues operating normally while /boot/ is being written.