Linux, Python scripts from the start and timed start

First, boot automatically

If Python script from the start auto.py. Then edit the file as root:

sudo vim /etc/rc.local

If you do not rc.localsee this article

In the above command exit 0 edit the startup script

/usr/bin/python3 /home/selfcs/auto.py > /home/selfcs/auto.log

Finally restart Linux, the script will automatically run and print the log.

Second, let Python script timer start

Edit the following file as root

sudo vim /etc/crontab

Add the following command at the end of the file

2 * * * * root /usr/bin/python3 /home/selfcs/auto.py > /home/selfcs/auto.log

The above code means that two minutes is performed once every script and print the log.

Three, crontab written explanation

The basic format

*   *   *   *   *   user    command
分  时  日  月  周   用户    命令

3.1 illustrates

1, performed once per minute

* * * * * user command

2, performed once every 2 hours

* */2 * * * user command (/表示频率)

3, 8:30 pm executed once a day

30 8 * * * user command

4, 30 and 50 minutes per hour executed once

30,50 * * * * user command（,表示并列）

5, 8:30 execution to No. 3 on the 6th of each month once

30 8 3-6 * * user command （-表示范围）

6, every Monday at 8:30 execution of a

30 8 * * 1 user command （周的范围为0-7,0和7代表周日）