The error "xxd command not found" means the xxd utility is not installed on your system. xxd is part of Vim (used for hex dumps, binary-to-text conversion, etc.).
If a Docker build fails with xxd: not found:
The xxd command is often missing from minimal or fresh Linux installations because it is typically bundled with the Vim text editor rather than being a standalone utility. How to Install xxd
macOS does not include xxd by default. If you have Homebrew installed, it’s straightforward:
Ubuntu / Debian / Kali / Linux Mint:sudo apt update && sudo apt install xxd (or sudo apt install xxd on newer versions)
xxd binary > binary.hex
# Edit binary.hex with a text editor
xxd -r binary.hex binary
Note: Homebrew’s xxd formula is often a standalone package, so you don’t need to install full Vim.
Arch Linux:
To output only the first 32 bytes:
The error "xxd command not found" means the xxd utility is not installed on your system. xxd is part of Vim (used for hex dumps, binary-to-text conversion, etc.).
If a Docker build fails with xxd: not found:
The xxd command is often missing from minimal or fresh Linux installations because it is typically bundled with the Vim text editor rather than being a standalone utility. How to Install xxd xxd command not found
macOS does not include xxd by default. If you have Homebrew installed, it’s straightforward:
Ubuntu / Debian / Kali / Linux Mint:sudo apt update && sudo apt install xxd (or sudo apt install xxd on newer versions) The error "xxd command not found" means the
xxd binary > binary.hex
# Edit binary.hex with a text editor
xxd -r binary.hex binary
Note: Homebrew’s xxd formula is often a standalone package, so you don’t need to install full Vim.
Arch Linux:
To output only the first 32 bytes: