Troubleshooting Archive

  • 3 Tools For Diagnosing Load Balancer Problems

    3 Tools For Diagnosing Load Balancer Problems

    I realized that this was a dupe, but I think the topic is a little more effective.  Plus, I haven’t written anything in a while.  Every craftsman has their tools, and I’ve got three in particular that I use: Telnet (Layer 4 TCP testing utility,...

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  • Load Balancing Troubleshooting Tools

    Load Balancing Troubleshooting Tools

    Every skillset has it’s tools.  These are the basics of the vocation, and it’s tough to do your job without them.  I have my own for load balancing, and they’re not what people typically expect.  I’ve mentioned the somewhat unorthodox troubleshooting tools that I use...

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  • Think You’re Connected?  Think Again

    Think You’re Connected? Think Again

    One issue that trips up people when diagnosing load balancer problems is they see a connection has been made to a virtual service, so it looks like they’re getting through to the real server. That’s not always the case. Depending on how your load balancer...

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  • Telnet For SSL

    Telnet For SSL

    I mentioned I used telnet quite a bit a few posts ago. I don’t use it to log into anything (plain-text passwords over the wire anyone?), instead I use it as a basic TCP connection utility. I see if I can establish a TCP connection,...

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