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Questions tagged [troubleshooting]

Troubleshooting is a form of problem solving, often applied to repair failed products or processes.

It is a logical, systematic search for the source of a problem so that it can be solved, and so the product or process can be made operational again. Troubleshooting is needed to develop and maintain complex systems where the symptoms of a problem can have many possible causes.

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Troubleshooting PXE Boot in CentOS

I am working on troubleshooting a PXE server that we have setup for use. It is based upon Cent OS 5.5. We installed the following components on top of a relatively vanilla install of Cent OS: tftp-server (xinetd) syslinux We do not need to run…
John
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Windows Network Connection has filled systray with many icons

I have a user that has a crazy amount of network connections populating his systray and he only has one network card and a wireless card. After a while he can hover over them and they will disappear. Any ideas if this is OS or driver…
Dereck Martin
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VMware server 2.0 SYN/ACK repeating issues

VMWare Server 2.0.0 Build 122956 I am having some issues with connecting into a guest VM (Ubuntu linux 4.4.3-4 lucid) running under VMware 2.0 on a windows server host. All connections to and from the VM's work fine, except for FTP. I thought the…
user65579
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Troubleshooting why my SSH sessions hang for a couple of seconds

I'm logged in to my development box via SSH (using PuTTY on my laptop) and periodically, the session would just hang for a couple of seconds then becomes responsive again. I have not been able to narrow it down. Network setup: server and laptop are…
Belmin Fernandez
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Apache Permission issue

How do I resolve an issue of permissions in apache. The initial task that I am trying to get working is to upload a mura plugin the the temp directory of ColdFusion9. However, I have since discovered that this issue isn't a ColdFusion…
frogstarr78
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RSA Authentication Manager - Unable to resolve principal by login ID and/or alias

I'm attempting to setup a RSA authentication manager with a Microsoft Active Directory as the identity source. When I try to login from the Windows login client the login attempt failed and I recieve the message Unable to resolve principal by login…
Greg Buehler
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How can I diagnose an Ubuntu system freeze after reboot

One of our servers froze yesterday, apparently refusing to serve any HTTP requests. The tech guy on site could not connect remotely to the machine, so he rebooted the (virtual) machine from the VMware Infrastructure Client, and everything was up and…
Kamiel Wanrooij
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Unexplained Opsview configuration error

Somehow I've broken by Opsview configuration, and it gives me a completely unhelpful error: critical 2010-10-12 12:09:57 Cannot reload:. It looks like there should be more info, but there's not. I tried undoing the change I made, and then I tried…
Brad Mace
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Track email sent to a specific address in Exchange 07

I have SBS 08 with Exchange 07. Domain users have several email addresses pointing to their mail box. For example John Smith: jsmith@..., john.smith@..., smith.john@... I want to track emails sent to one and only one of these addresses. It seems…
Bastien974
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IT counterpart to medicine's ICD-10/DSM-IV for diagnosing problems?

I've often thought about why there aren't any diagnostics manual on a very broad level, a counterpart to the medical DSM-IV/ICD-10 manuals. From a troubleshooting perspective, the work of an investigative technician would be very much a like that of…
dadver
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centos server - basic troubleshooting steps

I have a VPS server running CentOS - it's been great for about a year but has just got a little flaky, going down every couple of days and requiring a reboot. I was hoping you could offer me any basic troubleshooting steps that I might otherwise…
Syntax Error
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Failure to install ServletExec 4.2

We are attempting to install ServletExec and get this puzzling error during the installation: we can install to XPSP2 with out getting the error. we get the error when attempting to install on server 2003 hosts. however we have an existing…
chickeninabiscuit
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Openvpn and bad routing = multiple external IP Adresses

I have an OpenVPN server on ubuntu and the client (Openvpn 2.1_rc19) on windows7 x64. The connection is established an I can use it. However not all traffic is routed through the openvpn interface and so I have different is's on different…
Darcara
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Ubuntu guest (virtual box) doesn't show on the router

I installed Ubuntu (as a virtual machine using virtual box) with the openssh server option and apache. When I do ps -ef | grep apache I see apache is running. But: I can't connect to the server from the browser (for example http://192.168.1.8) I…
drums
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VMware workstation 6.5 VMs (Host-only network with static ip address) cannot ping each other

I had specified Host-only network and disabled the dhcp server that comes with the Host-only network. I had setup the following network config, vm1 ip address: 192.168.147.2 netmask: 255.255.255.0 no default gateway vm2 ip address:…
arthur.aoife
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