sshrm

Remove an entry from ~/.ssh/known_hosts by host name or by line number.

Usage

sshrm [-h|--help] [--no-backup] host|line_number

Options

• -h, --help Show help and exit.
• --no-backup Skip creating ~/.ssh/known_hosts.sshrm.bak.

Examples

Remove by host:

sshrm example.com

Remove by line number:

sshrm 12

Remove without backup:

sshrm --no-backup example.com

Notes

• Line numbers must be positive integers.
• Extra arguments are rejected.
• The script asks for confirmation before removal.
• The script edits ~/.ssh/known_hosts.
• Keep a backup if you need to recover entries.