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Questions tagged [diagnostic]

75 questions
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Diagnosing possible intermittent network failures/slowdowns; tool?

Is there a simple (linux cli) tool that I can run continuously for a period of time to see if the there are any connection problems between two specific network endpoints over the wan? One remote site is experiencing slowdowns/drops and I'm looking…
mikewaters
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Are there any good tools for reporting on a computer's specs?

I have a client who has a computer they want to upgrade. They are unable to tell me the specs of this computer and they're not the type of person I could walk it through with. Ideally, I'd like to send them an application (or a link to an…
Damovisa
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How to troubleshoot hanging linux server

I have several Ubuntu Server 8.04 machines at a remote location. Every couple of months or so, one of them would stop responding and need to be power cycled. From looking at my log files it seems that all my processes are running fine until at some…
itsadok
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What's the best way to track Jitter and Packetloss

I need to track Jitter and Packet Loss over a MPLS line. What's the most accurate way to capture this information without interfering with the data being sent back and forth? Is SmokePing the best tool for the job or is there something better?
Noah Campbell
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3 answers

Snapshot of system at high load times?

I'm seeing high load average at regular times on one of my sites. I have alerts setup, but it's not obvious what's causing the high load, so I'd like to capture the state of the system when the alert goes off. What's a good way to capture the…
Parand
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Get MSI log for Active Setup

One of my users has Outlook unable to start with "Cannot start Microsoft Office Outlook. Cannot open the Outlook Window" and I've already ruled out existing add-ins. (This is just for background information and is not a part of the question…
ivan_pozdeev
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How can one get a UDE report from Microsoft Fixit Center Pro?

As per this video anybody is supposed to be able to upload their server's logs to the Microsoft Fixit center Pro and get an Automated diagnostic report called UDE.…
Ayan Mullick
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How to diagnose failed drive on server with raid storage controller?

I have problem with one of my Dell PowerEdge R210. Machine is with Centos 6, today system logs started to inform that the hard drive is failing. Jan 6 03:20:12 centos6 kernel: LSI Debug log info 31080000 for channel 0 id 0 Jan 6 03:20:12 centos6…
B14D3
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Server memory configuration after upgrade

I have an IBM 346 server that can support up to 16GB of memory. It previously had 8GB installed (8x 1GB slots) and was working fine. I have upgraded it to 16GB using 8x 2GB slots. However now when the server starts now there is a beeping error code…
sa555
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How to start a data collector upon high CPU load condition?

I have a Windows 2008R2 server that experience high CPU load for several minutes about once every couple of weeks. Unfortunately, when these events occurs, logging into the system through RDP or at the console takes so long that, when it's done, the…
Stephane
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memtest86+ crashing on server

We have a few DELL 1950 servers. One of those servers has CentOS6.3 and it's randomly rebooting, so I suspected it was hardware (no log generated). The other four servers do not randomly reboot. We ran memtest86+ on the five servers and on three of…
user148723
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Is it possible to track who is running SQL Server Profiler?

Is it possible to see who is running SQL Server Profiler against a certain database and possibly from what machine? Say through Profiler itself or by T-SQL statement. I wonder if it is even possible to find out Active Directly user name under which…
dance2die
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Diagnosing Random Network Lag

I'm having trouble diagnosing some random lag on a 6 server LAMP cluster serving a MediaWiki site. While we're serving some 100 pages/sec the servers themselves are running fine with less than 0.5 load, no locked processes, no paging, no errors…
uesp
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Are there any good (hopefully free) hardware diagnostic utilities available?

A diag utility that runs from CD or USB would be my preference. I'm having some trouble with a desktop PC that I support, and I haven't been able to figure out what is going on with it. I used Memtest86 to rule out the RAM, but I'm wondering if the…
Corey
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(How) can I use syslog to diagnose mysterious crashes?

I run a LAMP stack on Ubuntu server. Twice today it has ground to a halt and required a hard reboot. Prior to this it had been stable for many months. It has been about a fortnight since the last change to the configuration and even this was…
Tom Wright
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