Contents
How to extract log entries from the last hour?
– Unix & Linux Stack Exchange How to extract log entries from the last hour? I am looking for a one-liner command to extract log entries that have occurred within the last hour from a Postfix mail log file. Based on this question, I have attempted to manipulate the suggested command but it is pretty longwinded. I am looking to shorten/improve this.
How to monitor only the last n lines of a log file?
Here is what I know I can do: As the log file is filled, tail appends the last lines to the display. I am looking for a solution that only displays the last 15 lines and get rid of the lines before the last 15 after it has been updated.
Is there command to show only the newest entries in a log file?
Closed 7 years ago. Is there a command in Linux to show only the newest entries in a log file? Ideally something that would clear the log file after each time the file is read. There is tail, assuming you want to view the last few ( tail -n N to see the last N, default is 10).
Where to send exceptions in last hour of test logs?
The above sends mail to ImranRazaKhan (or whatever email address you chose) with the subject line of “exceptions in last hour of test.logs”. The convenience of having the -d option to date should not be underestimated.
How to print all lines in a log file?
In this case it will print every line it finds between the string Feb 23 13:55 and the string Feb 23 14:00. will return all logs lines between 19:31 and 19:35 on 31/Mar/2002.
How to find the last heartbeat on a computer?
The following example finds computers that were active in the last day but did not send heartbeats in the last hour. This example returns the last heartbeat record for each computer IP. This example finds related protection status records and heartbeat records, matched on both Computer and time.