Add rc.local to Debian 9 Stretch

/etc/rc.local is depricated on debian 9.

You can try this to add it. (Not tested)

1) Create the file : /etc/systemd/system/rc-local.service

# nano /etc/systemd/system/rc-local.service

2) Copy this text.

[Unit]

Description=/etc/rc.local Compatibility

ConditionPathExists=/etc/rc.local



[Service]

Type=forking

ExecStart=/etc/rc.local start

TimeoutSec=0

StandardOutput=tty

RemainAfterExit=yes

SysVStartPriority=99



[Install]

WantedBy=multi-user.target

3) Create file : /etc/rc.local

# nano /etc/rc.local

5) Add this text to the file

#!/bin/sh -e

#

# rc.local

#

# This script is executed at the end of each multiuser runlevel.

# Make sure that the script will "exit 0" on success or any other

# value on error.

#

# In order to enable or disable this script just change the execution

# bits.

#

# By default this script does nothing.

exit 0

6) Make the script executable : /etc/rc.local

# chmod +x /etc/rc.local

7) Activate on boot

# systemctl enable rc-local