2026-04-20 10:00:31 +02:00
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#!/usr/bin/bash
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2026-07-10 16:45:41 +02:00
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usage() {
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echo "Usage: $(basename $0) [-d] <host>" >&2
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echo " -d Remove host key from known_hosts before connecting" >&2
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}
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2026-04-20 10:00:31 +02:00
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DEL=""
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deletehost() {
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local host ip
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host=$(echo $1 | awk -F@ '{print $NF}')
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ip=$(host $host | awk '/has address/ {print $NF}' | head -1)
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ssh-keygen -R $host
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test -n "$ip" && ssh-keygen -R $ip
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}
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while getopts ":dh" OPT; do
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case "$OPT" in
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d) DEL=Y ;;
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\?|h) usage >&2 ; exit 0 ;;
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esac
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done
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shift $(expr $OPTIND - 1)
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test -n "$DEL" && deletehost $@
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ssh root@${1:-none}
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