The article from Paul Thurrott's Supersite from Windows , shows how to use ICS (Internet connection sharing) wirelessly, so you can connect your PC (or laptop) to Internet WIFI , and share the connection ( let other wirelessly connected people ) wirelessly. Cool article.
http://www.winsupersite.com/win7/totw/whn.asp
Monday, August 30, 2010
Sunday, August 22, 2010
CACTI - SNMP BASED MONITORING TOOL
I have done reading on various features of different types of network monitoring tools.
I have concluded to use Cacti (freeware network monitoring tool), due to the following:
a) It is a freeware
b) You can monitor unlimited amount of devices
c) agent-less
This tool DOES NOT require to install additional agents to be installed on the monitored devices.
Eventhough CACTI can monitor basic resources like server NIC usage , CPU usage , disk space usage & memory usage on it's own, it would require a freeware tool like "SNMP Informant", to help monitor more advanced Windows performance counters like disk I/O usage, TCP & IP packet statistics. This tool can be customised to further monitor detailed counters via SNMP response from performance counters. Again, this is optional.
d) SNMP based
A feature I like about this tool is that since it is total SNMP based, it allows monitoring of servers , SNMP enabled networking devices with IP address, and basically ANY SNMP supported device. No reliance on proprietary standards like WMI.
e) can be installed in UNIX AND Windows
I was finding for a monitoring tool that can be installed via Windows, since Windows based tools would be easier to setup & troubleshoot.
Below is the screenshot of my test system using a virtual approach via Sun VirtualBox (also freeware). In the screenshot, VELAN is a another laptop I am monitoring. :
I have concluded to use Cacti (freeware network monitoring tool), due to the following:
a) It is a freeware
b) You can monitor unlimited amount of devices
c) agent-less
This tool DOES NOT require to install additional agents to be installed on the monitored devices.
Eventhough CACTI can monitor basic resources like server NIC usage , CPU usage , disk space usage & memory usage on it's own, it would require a freeware tool like "SNMP Informant", to help monitor more advanced Windows performance counters like disk I/O usage, TCP & IP packet statistics. This tool can be customised to further monitor detailed counters via SNMP response from performance counters. Again, this is optional.
d) SNMP based
A feature I like about this tool is that since it is total SNMP based, it allows monitoring of servers , SNMP enabled networking devices with IP address, and basically ANY SNMP supported device. No reliance on proprietary standards like WMI.
e) can be installed in UNIX AND Windows
I was finding for a monitoring tool that can be installed via Windows, since Windows based tools would be easier to setup & troubleshoot.
Below is the screenshot of my test system using a virtual approach via Sun VirtualBox (also freeware). In the screenshot, VELAN is a another laptop I am monitoring. :
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