10-14-2010
There are several things to keep in mind like using absolute paths to files since you have no environment ie. not $PATH in the crontab. You can also think about to write a small shell script and use it's name and location etc. in the crontab instead of concatenated commands. Anyway you should read this:
->
https://www.unix.com/answers-frequent...n-crontab.html
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Please can someone help me. I need to set up a cron job to measure CPU usage, Disk I/O and memory usage over a period of 1 minute along with the number of users logged into the system. I also need to send it to another user besides myself every hour. Please can someone help me! Thanks. (4 Replies)
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LEARN ABOUT CENTOS
cheatmake
CHEATMAKE(1) [FIXME: manual] CHEATMAKE(1)
NAME
cheatmake - fool make into not rebuilding certain files
SYNOPSIS
cheatmake [hidechangefile] [show] [whyfile]
DESCRIPTION
cheatmake is used to save time when recompiling. It can fool make into skipping files that haven't changed in a meaningful way. This can be
used for instance when you change a comment in a file but none of the actual code.
This utility is part of the KDE Software Development Kit.
OPTIONS
hidechange file
Hides the fact that file was changed by setting the timestamp into the past. Use with care!
show
Lists what files make currently needs to rebuild
why file
Explains why make must rebuild file
ENVIRONMENT
One of the following variables (but not both) should be set if the source directory is different from the build directory. If the build
directory is simply a subdirectory of the source directory, the simpler variable OBJ_SUBDIR should be used.
OBJ_SUBJDIR
Indicates that the build directory is in the given subdirectory of the source directory. For instance, if the source directory is
kdesdk and the build directory is kdesdk/obj-i386-linux, then OBJ_SUBDIR should be set to obj-i386-linux.
OBJ_REPLACEMENT
A sed expression that is used to transform the source directory into the build directory. For instance, if the source directory is
kdesdk/obj-i386-linux, then OBJ_REPLACEMENT should be set to s#kdesdk#kdesdk-obj#.
SEE ALSO
make(1)
AUTHORS
cheatmake was written by David Faure<faure@kde.org>. This manual page was prepared by Ben Burton<bab@debian.org> for the Debian
GNU/Linux(R) system (but may be used by others).
[FIXME: source] March 8, 2003 CHEATMAKE(1)