check_md5 A Nagios plugin written in Bash to check the MD5 sum of a single file. In case the files MD5 change the plugin issues a critical state. This behavior can be changed by using a --warning argument, so that only a warning state is issued. Options: -h Print detailed help screen -V Print version information --warning Issue a warning state instead of a critical state in case of a MD5 failure Default is critical --file /path/to/file Set which file to monitor --md5 md5checksum Set the MD5 checksum for the file set by --file