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Top Forums Shell Programming and Scripting Getting the last hour from a log. Post 302492111 by daPeach on Saturday 29th of January 2011 08:34:57 PM
Old 01-29-2011
Code:
awk '($0 >= from){++n}END{print n}' from="$(LC_TIME=C date +'%b %d %H:%M:%S' -d -1hour)" /var/log/daemon.log

as you seem to want the count of lines in log from 1 hour ago until now.
 

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petitboot-twin(8)					    BSD System Manager's Manual 					 petitboot-twin(8)

NAME
petitboot-twin -- Petitboot twin bootloader UI SYNOPSIS
petitboot-twin [-d, --start-daemon] [-h, --help] [-l, --log log-file] [-V, --version] [-f, --fbdev] [-x, --x11] DESCRIPTION
petitboot-twin is a twin based interface to the Petitboot bootloader. Petitboot is a Linux kexec based bootloader that supports loading Linux kernel and initrd images from any device that can be mounted by Linux. It can also load images from the network using the HTTP, HTTPS, NFS, SFTP, and TFTP protocols. OPTIONS
-d, --start-daemon Start pb-discover, the petitboot dynamic device discovery daemon, if it has not been started. This option is mainly useful when run- ning petitboot as a stand-alone application. -h, --help Print a help message. -l, --log log-file Log messages to the file log-file. The default log is a file /var/log/petitboot-twin.log. New messages are appended to an existing log file. -V, --version Display the program version number. SEE ALSO
petitboot(8), pb-twin(8), pb-discover(8), pb-event(8) REPORTING BUGS
Send bug reports to Geoff Levand <geoff @ infradead.org> BSD
June 1, 2019 BSD
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