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Monitor files by inotify
2011/05/07 |
| Monitor adding/updating/removing files by inotify.
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| [1] | Install inotify tools. |
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[root@dlp ~]# yum --enablerepo=epel -y install inotify-tools # install from EPEL
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| [2] | Try to use inotify. |
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[root@dlp ~]# inotifywait -e create,delete,modify,move -mrq /etc & [1] 1227 # try to create a file under the /etc [root@dlp ~]# touch /etc/test.txt /etc/ CREATE test.txt # detected # try to rename the file [root@dlp ~]# mv /etc/test.txt /etc/test.conf /etc/ MOVED_FROM test.txt /etc/ MOVED_TO test.conf # detected # try to remove the file [root@dlp ~]# rm -f /etc/test.conf /etc/ DELETE test.conf # detected |
| [3] | Create a init script. |
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[root@dlp ~]# vi /etc/rc.d/init.d/inotifywait
#!/bin/bash # inotifywait: Start/Stop inotifywait # # chkconfig: - 80 20 # description: inotifywait waits for changes to files using inotify. # # processname: inotifywait . /etc/rc.d/init.d/functions . /etc/sysconfig/network LOCK=/var/lock/subsys/inotifywait LOGFILE=/var/log/inotify.log MONITOR=/etc RETVAL=0 start() { echo -n $"Starting inotifywait: " /usr/bin/inotifywait \ --format '%w%f %e %T' \ --timefmt '%Y/%m/%d-%H:%M:%S' \ --exclude '.*\.sw[pox].*' \ -e create,delete,modify,move \ -o $LOGFILE \ -dmrq $MONITOR RETVAL=$? echo [ $RETVAL -eq 0 ] && touch $LOCK return $RETVAL } stop() { echo -n $"Stopping inotifywait: " killproc inotifywait RETVAL=$? echo [ $RETVAL -eq 0 ] && rm -f $LOCK return $RETVAL } case "$1" in start) start ;; stop) stop ;; status) status inotifywait ;; restart) stop start ;; *) echo $"Usage: $0 {start|stop|status|restart}" exit 1 esac exit $? [root@dlp ~]# chmod 755 /etc/rc.d/init.d/inotifywait [root@dlp ~]# /etc/rc.d/init.d/inotifywait start Starting inotifywait: [root@dlp ~]# chkconfig --add inotifywait [root@dlp ~]# chkconfig inotifywait on # try to do some actions [root@dlp ~]# touch /etc/test.txt [root@dlp ~]# mv /etc/test.txt /etc/test.conf [root@dlp ~]# vi /etc/test.conf # edit something [root@dlp ~]# rm -f /etc/test.conf # logs are taken like follows [root@dlp ~]# cat /var/log/inotify.log /etc/test.txt CREATE 2011/05/08-00:53:31 /etc/test.txt MOVED_FROM 2011/05/08-00:53:42 /etc/test.conf MOVED_TO 2011/05/08-00:53:42 /etc/4913 CREATE 2011/05/08-00:53:53 /etc/4913 DELETE 2011/05/08-00:53:53 /etc/test.conf MOVED_FROM 2011/05/08-00:53:53 /etc/test.conf~ MOVED_TO 2011/05/08-00:53:53 /etc/test.conf CREATE 2011/05/08-00:53:53 /etc/test.conf MODIFY 2011/05/08-00:53:53 /etc/test.conf~ DELETE 2011/05/08-00:53:53 /etc/test.conf DELETE 2011/05/08-00:53:59 |