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Linux

How To Monitor your servers with SNMP and Cacti

  •  SNMP (Simple Network Management Protocol) is a protocol for managing networks. Each managed entity in the network will run an snmp server (snmpd) which is going to collect datas from the server such as networking, load, cpu ...

    Cacti on the other hand is a frontend to the RRDTool with SNMP support. It collects and keep data in a MySQL database and display them through a PHP web frontend.

    This tutorial will show how to configure the network manager to use Cacti and how to set up snmp...

     

    How to install Cacti, a network graphing solution

     omewheres on the Accelerator form it was mentioned that a good system/resource monitoring program was Cacti. It is a php based system so it appears easy to install. On my M Accelerator the only dependency missing was RRDTool, the following is how to install it. Unfortunately, I've yet to master the usage so hopefully someone else can work on that section. All documentation based on the Cacti install steps.

    What is Cacti? Cacti is a complete network graphing solution...

     

    How to install LimeWire on Fedora, Mandirva, Suse (RPM)

     0. become root
    1. Get the latest java from http://www.java.com and install it. 
    2. Download the latest LimeWire RPM from http://www9.limewire.com/beta/LimeWireLinux.rpm and save it in your home folder
    3. Open a terminal and type the following commands:

    Code:
    rpm -Uvh --nodeps ~/LimeWireLinux.rpm
    

    That's it! If you have Fedora or Mandrake you should see an entry in the start menu. If you don't, to r

     

    How to Create a Windows Vista IIS7 MySQL PHP Web Server

     By: Brent Trahan, published on 09.03.07 modified 10.01.07.

    Introduction
    This guide shows you how to create a Windows Vista powered web server using IIS7, MySQL, and PHP (WIMP). I know, I know, a WIMP server doesn’t sound too appealing. Trust me, this server is far from a wimp and will blow your socks off if you provide the right hardware.

    Note: This is a generic WIMP server that’s capable of running WordPress, PHPbb, and other popular PHP and MySQL powered web sites. You might...

     

    Converting a Physical Disk to a VMWare Virtual Disk

    from:http://www.robertpeaslee.com/index.php/converting-a-physical-disk-to-a-virtual-disk-for-free/

     I have a Windows XP SP2 installation that I use for work, while my current personal OS of choice is Windows Vista. I only work weekends, so rebooting wasn’t too bothersome initially. Over time it has become more and more of a chore, as I can’t easily switch from one development environment to another without rebooting. I decided it was time to make my work installation a virtual...

     

    How do I configure uriworkermap.properties in server.xml for Apache - Tomcat integration?

    My Tomcat, works with localhost:8080 and I can execute sample JSP, Servlets, Applets, etc. Now I am interconnecting so Tomcat can service JSP and back-end DB to Apache requests. I found the Tomcat connector and I can verify from the logs that the URL is coming in from the internet, as it gets logged in the Apache log, then gets sent over to Tomcat as I can see the URL in its logs and parsed out components. So far, so good ... what isn't happening is the return trip -- the response. The...

     

    how to set ntp time server on linux

     [root@localhost ~]# more /etc/ntp.conf# Permit time synchronization with our time source, but do not# permit the source to query or modify the service on this system.restrict default kod nomodify notrap nopeer noqueryrestrict -6 default kod nomodify notrap nopeer noquery
    # Permit all access over the loopback interface.  This could# be tightened as well, but to do so would effect some of# the administrative functions.restrict 127.0.0.1 restrict -6 ::1
    # Hosts on local network are less...

     

    How can I disable Squid's log files

     To disable access.log:

     

    cache_access_log none

    To disable store.log:

    cache_store_log none

    To disable cache.log:

    cache_log /dev/null



    It is a bad idea to disable the cache.log because this file contains many important status and debugging messages. However, if you really want to, you can



    If /dev/null is specified to...

     

    Can I use store.log to figure out if a response was cachable

     You can use store.log to find out if a particular response was cached.

     

    Cached responses are logged with the SWAPOUT tag. Uncached responses are logged with the RELEASE tag.

    However, your analysis must also consider that when a cached response is removed from the cache (for example due to cache replacement) it is also logged in store.log with the RELEASE tag. To differentiate these two, you can look at the filenumber (3rd) field. When an uncachable response is released, the...

     
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