Questions tagged [diagnostic]

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11 votes
3 answers
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How to diagnose frequent segfaults

My server is logging frequent segmentation faults to /var/log/kern.log in different tools. So far I've seen them in Perl, PHP and rsync. All installed software is up-to-date Debian packages. Here's an ...
Andreas Gohr's user avatar
0 votes
1 answer
584 views

Random hard drive activity on server 2008 r2

I have Windows Server R2 setup, just as a simple webserver, although it has not gone live yet and is not connected to the network. I notice quite often some random hard disk activity, that will make ...
Jay White's user avatar
  • 149
1 vote
5 answers
1k views

What does "-k start" mean in the output of ps command

I try to run an apache instance. It doesn't run properly. I am trying to get some diagnostic information. I gave ps command and the apache instance that don't run properly are output with -k start. ...
Mert Nuhoglu's user avatar
2 votes
3 answers
6k views

(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 ...
Tom Wright's user avatar
2 votes
2 answers
10k views

Process in the run queue

How do show the current list of processes and threads currently in the run queue? That is to say, if my server's load average is 32.1, then there were on the average about 32 processes or threads ...
tylerl's user avatar
  • 15.1k
0 votes
1 answer
642 views

How do I use the Microsoft IIS Diagnostics Toolkit to troubleshoot my problems?

I have downloaded the [IIS Diagnostics Toolkit (x86)][1] [1]: http://www.microsoft.com/downloads/en/details.aspx?familyid=9bfa49bc-376b-4a54-95aa-73c9156706e7&displaylang=en and I was wondering ...
smartdirt's user avatar
  • 101
1 vote
1 answer
298 views

No Event Logs in Diagnostic on Windows Azure?

I'm trying to get .NET Remoting to work on Windows Azure, with a web role. I get a 500 internal server error when trying to access the URL. I've tried using Azure MMC (http://code.msdn.microsoft.com/...
Vidar Nordnes's user avatar
0 votes
3 answers
386 views

Server Crash Diagnosis...Are there any 'black box recorder' style programs available

My redhat server is crashing every three weeks or so at 4:15am ish on Sunday mornings. (well it was sundays the last two have been Thursday mornings at 4:15ish) Looking at the logs (mysql, httpd, ...
columbo's user avatar
  • 219
0 votes
1 answer
2k views

hp dl580 g5 diag error

server disk access is slow, and running insight diagnostics reports this error: Error: 640003 DST Error Error: 640006: The Read and/or Write HARD error rate is above threshold This drive has ...
JMS77's user avatar
  • 1,275
0 votes
1 answer
86 views

How can i easily gather hardware information for bug report submission?

I think I have found a bug in Ubuntu 10.04 beta, but since its a fairly vague problem of non booting after an install (Question Here) i wanted to know what information to gather? Summary of question: ...
Andrew Bolster's user avatar
3 votes
3 answers
1k views

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 ...
Parand's user avatar
  • 748
0 votes
2 answers
390 views

Better approach for diagnose web server failure

Yesterday my web sites were down for a short time. I logged on my server and my first reaction was restart the apache web server. After that everything was working fine. So I start to check the ...
hdanniel's user avatar
  • 4,313
6 votes
1 answer
20k views

determining free memory from command line on Windows

I would like to monitor the free memory on four machines each running Windows Server 2003 R2 SP2 64-bit. Each box has 31.7gb of RAM. I would like to periodically run a command line tool so I can ...
Nate's user avatar
  • 204
0 votes
5 answers
160 views

What diagnostic information can I give my system administrator to help him diagnose the cause of slow performance on Windows XP?

I'm not a sysadmin, but a developer. Lately, my colleagues and I have all seen a big slowdown in the performance of our Windows XP machines, especially the laptops. In fact, performance is so bad on ...
user avatar
3 votes
4 answers
158 views

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 ...
Damovisa's user avatar
  • 233
1 vote
3 answers
343 views

FRSdiag.exe install by an end user?

Why would an end user (non-admin, but knowledgable) attempt (but fail) to install FRSdiag.exe on their workstation? Is there a security issue here?
user avatar
0 votes
3 answers
8k views

Are there DFS Diagnostic Utilities server and client

Are there any tools for DFS troubleshooting? Some searches suggest network monitoring, but if you dont know how to read the scans with DFS in mind it seems a bit pointless.
Mesh's user avatar
  • 213
11 votes
10 answers
34k views

Linux - Is there any way to identify the speed of your memory through software?

Is there any way to identify the speed of your memory through software? I am on Fedora 9 and looking to find out the speed of the DIMM's I have in there currently. I have tried a 'lshw' but it doesnt ...
barfoon's user avatar
  • 770
0 votes
1 answer
1k views

Postfix Mail Filter Stops Delivering Mail

I have an internet facing postfix mail filter (debian lenny) that sits in front of all our other mailservers on our network, and scans our mail using amavisd-new, clamav, spamassassin, and policy-...
Brent 's user avatar
  • 23.3k
0 votes
2 answers
208 views

Vmstat seems to give non-standard values?

We have a proprietry system, which runs on Tru64 Unix. It is a terminal based system. We are able to use the login 'vmstat' to the system which brings up a vmstat-like view. However, the information ...
Michael Galos's user avatar
2 votes
2 answers
8k views

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 ...
dance2die's user avatar
  • 2,031
3 votes
3 answers
4k views

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 ...
Noah Campbell's user avatar
6 votes
8 answers
1k views

Free Tools for Hard Drive Diagnostics [closed]

Are there any free tools available to perform hard drive diagnostic? I have an old 3.5 IDE Samsung HDD which I use as an external drive through USB connection. I recently started to have problems with ...
kristof's user avatar
  • 346
3 votes
5 answers
2k views

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 ...
itsadok's user avatar
  • 1,889
7 votes
3 answers
972 views

How to troubleshoot Windows? Post your checklist [closed]

There is sometimes a situation when Windows suddenly goes crazy: is slow, unresponsive, some things don't work, it crashes. I wonder how do you approach diagnosing those issues. I'm merely a ...
ya23's user avatar
  • 501

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