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urgent to restart the MSTR server (this is another problem, in the morning of the Dragon Boat Festival also appeared this problem, and currently do not know what the reason).MSTR Server Restart Good, MSTR of the Web can log in normally, and after a while, using personnel to report information that today's reports can only find 0 to 7 points of data, 8 to 10 points of data is not displayed. So I went from the report to fetch a number of the fact table began to follow, found that the new stored p
Most of the crontab planning tasks will be years to the end of the >/dev/null 2>1, what is the meaning of it. > is redirected/dev/null represents empty device files1 indicates stdout standard output, the system default is 1, so ">/dev/null" is equivalent to "1>/dev/null"2 indicates stderr standard error means equal to, 2
most crontab scheduled Tasks, at the end of the command line will take >/dev/null 2>1, what is the role of it? The following is an explanation: > delegate redirection;/dev/null represents an empty device file, equivalent to a recycle Bin. null is a thing called a null keg that redirects the output to its goodis: The file size is not increased because of too much output, which means that the o
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