Ubuntu18.04 开机自动运行某个程序/命令等

sudo vim /etc/systemd/system/rc-local.service
sudo vim /etc/rc.local
sudo chmod 755 /etc/rc.local
sudo systemctl enable rc-local
sudo systemctl start rc-local.service
sudo systemctl status rc-local.service

/etc/rc.local

#!/bin/sh -e
#/etc/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.
echo "测试脚本执行成功" > /usr/local/test.log
cd /home/jetbot/Notebooks/collision_avoidance
python3 demo_collision_avoidance.py &
exit 0        

jetbot@jetbot:~$ sudo cat /etc/systemd/system/rc-local.service
[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