比較新的Linux發行版已經沒有rc.local文件了。因為已經將其服務化了。

解決方法：

1、設置rc-local.service
sudo vim /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

2、激活rc-local.service
sudo systemctl enable rc-local.service

3、添加啟動服務

手工創建或者拷貝已有的/etc/rc.local，并賦予執行權限
#!/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.

# 下面這條是要開機啟動的命令
/home/selfcs/anaconda3/bin/Python /home/selfcs/t.py > /home/selfcs/auto.log 

exit 0

#給予腳本執行權限
sudo chmod +x /etc/rc.local

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