Use crontab in Ubuntu 14.04

Because I often do things too invested and didn't pay attention to the time, but didn't call my girlfriend at night, my girlfriend was a little unhappy, so I came up with an idea: Set a scheduled task, every night, a window pops up to remind me to contact my girlfriend. Starting work!

　　

First, install the mail function (SUDO apt-Get install mailutils, and then the window will pop up, select Internet, that is, the second of all options ), if any error occurs (with additional output), crontab sends an email to the specified location (the mailto parameter in/etc/crontab ). Then run an xterm by crontab. An error message is displayed, indicating that the display parameter is not set. For details, refer to the two links: Setting ": 0 ". Therefore, according to the practice of the first post, write as: ***** export display =: 0.0 &/usr/bin/gedit (Open gedit once per minute on X Windows) my display is not followed. 0 is also acceptable. After that, I recorded the information to be displayed in a text file, started gedit with crontab to open the text, and set the target file to be opened for gedit, our goal is achieved ~~ My girlfriend is happy too ~~ The last article on display variables is provided. For more information, run the following command: $ man x

Use crontab in Ubuntu 14.04