#!/bin/sh | |
### BEGIN INIT INFO | |
# Provides: regenerate_ssh_host_keys | |
# Required-Start: | |
# Required-Stop: | |
# Default-Start: 2 | |
# Default-Stop: | |
# Short-Description: Regenerate ssh host keys | |
# Description: | |
### END INIT INFO | |
. /lib/lsb/init-functions | |
set -e | |
case "$1" in | |
start) | |
log_daemon_msg "Regenerating ssh host keys (in background)" | |
modprobe -q bcm2708-rng && dd if=/dev/hwrng of=/dev/urandom count=1 bs=4096 2>/dev/null | |
nohup sh -c "yes | ssh-keygen -q -N '' -t dsa -f /etc/ssh/ssh_host_dsa_key && \ | |
yes | ssh-keygen -q -N '' -t rsa -f /etc/ssh/ssh_host_rsa_key && \ | |
yes | ssh-keygen -q -N '' -t ecdsa -f /etc/ssh/ssh_host_ecdsa_key && \ | |
yes | ssh-keygen -q -N '' -t ed25519 -f /etc/ssh/ssh_host_ed25519_key && \ | |
systemctl enable ssh && sync && \ | |
rm /etc/init.d/regenerate_ssh_host_keys && \ | |
update-rc.d regenerate_ssh_host_keys remove && \ | |
printf '\nfinished\n' && systemctl start ssh" > /var/log/regen_ssh_keys.log 2>&1 & | |
log_end_msg $? | |
;; | |
*) | |
echo "Usage: $0 start" >&2 | |
exit 3 | |
;; | |
esac |
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