Cron作业不运行 [英] Cron Job Doesn't Run

问题描述

我是新使用crontab，我一直在努力得到一个简单的cron工作。 cron作业的代码如下：

  * / 1 * * * * echojob every minute
  

所以只是为了验证概念，我想看每一分钟打印。我已尝试使用

  sudo crontab -e 
保存此cro​​n作业 pre> 
 
 
并通过在目录中保存crontab文件（cronscript）并启用脚本，如下所示：
  crontab〜/ Documents / MyProjects / cronscript 
  
 cron作业所在的位置。 
两个相同的作业都正确保存，正如我已通过键入
验证
 
 
  sudo crontab -e 
  
和
 crontab -e 
 
 
 
终端和他们两个出现。我确保每个命令后保存一个新的行字符，我检查，以确保cron正在使用
运行
 
 
  pgrep然而，我仍然没有得到工作每分钟印刷到终端（每分钟），其中每一分钟。是我相信这些命令应该做的。
 
 
 
我做错了什么？感谢您的帮助！
解决方案
 cronjob运行正常，但cron守护进程）无法访问stdout，因此无法向终端输出消息。
 
 
 
但是，您可以使用
 $输出您想要的文件b 
 $ b 
  * / 1 * * * * echojob every minute>> $ HOME / filename 
  
 $> 
 
 
每分钟会将文本输出（并连接）到主目录中名为filename的文件。
 
I am new to using crontab, and I've been trying to get a simple cron job working. The code for the cron job is as follows:
 */1 * * * * echo "job every minute"
So just for proof-of-concept, I want to see this printed every minute. I have tried saving this cron job using both
 sudo crontab -e
and by saving a crontab file (cronscript) in a directory and enabling the script as follows:
 crontab ~/Documents/MyProjects/cronscript
which is the path for where the cron job is located.
Both of the identical jobs are saved properly, as I have verified by typing 
  sudo crontab -e
and 
      crontab -e 

into terminal and they both appear. I made sure there was a new line character saved after each command, and I checked to make sure cron is running by using
 pgrep cron
However, I am still not getting "job every minute" printed to terminal (every minute) which is what I believe these commands should be doing.

What am I doing wrong? Thanks for the help!
解决方案
The cronjob is running just fine, but the cron daemon (daemons in general as far as I know) have no access to stdout so cannot output messages to the terminal.

To test it you can, however, output what you want to a file using
*/1 * * * * echo "job every minute" >>$HOME/filename
which will output (and concatenate) the text to a file named "filename" in your home directory every minute.

                        
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