OverCR software is a network daemon that utilizes a condensed, simple, human-readable query language to gather system metrics. System Monitoring is an important and expensive task. Fortunately free tools such as Big Brother have become available. Unfortunately these tools are not free in the GNU sense.
In addition the shell script format of Big Brother leaves something to be desired in my opinion. Therefore I've started writing Over-CR, a GPL Network Monitoring software. OverCR is probably most commonly used as a Netsaint (now Nagios) plugin.
Installation:
Simply add it to your initialization scripts so that it starts on boot-up.
For better security run it as a non-root user via su.
Commands:
NETSTAT < port >
Allows you to monitor the number of connections to a TCP/IP Port.
EG: netstat 110
Tells you the number of pop mail sockets.
PROCESS < process_name,process_name... >
Allows you to monitor which processes are running.
EG: process httpd,named
Tells you if httpd and named are running and how many copies.
DISKSPACE
Allows you to monitor file system utilization
EG: diskspace
Will tell you file system utilization for all local file systems.
UPTIME
Allows you to monitor the systems uptime
EG: uptime
Will tell you the systems uptime.
LOAD
Allows you to monitor system load
EG: load
Reports the load during the last 1, 5 and 15 minutes.
VERSION
Notifies you of what version the OverCR collector is.
EG: version
Will tell you what version of the OverCR collector you are running.
POSTEL
A tribute to the founder of the Internet.
EG: postel
Reports the date of death.
QUIT
Quits, disconnects session.
EG: quit
What's New in This Release:
· This version fixes a minor warning that appears when OverCR is run on perl 5.6+.
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