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helpers/add_ssh_key.sh
2026-05-25 12:42:22 +02:00

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#!/bin/sh
[ -n "$1" ] && login="$1" || read -p "provide login: " login
[ -n "$2" ] && ssh_key="$(echo $2)" || read -p "provide ssh key: " ssh_key
ssh_dir=/home/$login/.ssh
mkdir -p "$ssh_dir"
[ ! -f "$ssh_dir/authorized_keys" ] && touch $ssh_dir/authorized_keys
# add it to authorized_keys but avoid adding it twice
ak=$ssh_dir/authorized_keys
echo "$ssh_key" >> $ak
# ssh wont work without it
chmod -R 0700 /home/$login/.ssh
chown -R $login:$login $ssh_dir