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Questions tagged [diagnostic]

75 questions
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Is it possible to watch the tcp connection packets on a connect call from the command line in linux?

Basically I want to do something like strace ssh user@host and instead of seeing the system calls, I want to watch the tcp connection packets as the connection is established. I'm having this weird problem between two specific machines, where b can…
Stu
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Azure App Service Tiers that Permanently Store Diagnostics Data

I need to permanently store diagnostic data for my webapp. I'm currently running in the Basic tier. If I upgrade to standard or premium, will either of those guarantee permanent diagnostic data storage? I can't find anything on this from Microsoft.
jrd1989
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SQL Service keeps falling over

We have a Windows Server 2012 R2 Datacenter running SQL Server 2016 (SP1) The SQL Service fails randomly with the following error in the Logs :- Computer type is Intel(R) Xeon(R) CPU E5-2660 0 @ 2.20GHz. Bios Version is VRTUAL - 5001223 BIOS Date:…
Dan
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Microsoft Azure Linux Diagnostic Extension issue

I have enabled LAD in azure Linux VM in ASM mode and have used below command: azure vm extension set ubuntuclassic LinuxDiagnostic Microsoft.Azure.Diagnostics '3.0' --private-config-path private.json --public-config-path public.json. I am not able…
Reetika Vyas
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Need help diagnosing dell c6100 - No POST

Hi Server Fault Community, I have 2 nodes in my dell c6100 that are not POSTing, it's the top two nodes (1 & 3). The bottom 2 DO turn on (2 & 4). I need some help identifying which part I might need to replace. My initial thought is that I need to…
italiansoda
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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 the laptops that we really can't use them anymore.…
James Tikalsky
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Resert IBM system x3650 fault led

I got OVERSPEC, PS1 and PS2 fault led on my x3650. I tried to replace one PS but nothing changes. The power supplyp seems to work properly and it is very strange to broke both PS at the same time. I tried to reset the system log, reboot, but these…
Tobia
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How can i find out what crashed my Windows Server 2008 R2 box?

My file server just went belly up and I can't seem to figure out why. Perhaps I'm naive but when these things happen I can typically look through my System, Application or Security Event Viewer log and find the culprit - but no luck this time. While…
DKNUCKLES
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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
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Is there an app that can provide details about wifi access point config?

I'm wondering if there is an easier way to determine of the following parameters of a wifi network. For users who already have say a laptop connected to a wifi network. Does wifi network support PS-Poll mode (this is a power saving mode for battery…
blak3r
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Cisco ASA Becomes Non-responsive

I have a client that has a Cisco ASA 5505 that sits between their router (provides VOIP phone service) and their Cisco 3550 (Very old version of IOS) that they use as a "Core" switch. This works well most of the time. However, every few months, the…
minamhere
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Hardware Diagnosis: Different Ram, Same Memtest Failure

Trying to diagnose random hardware freezes and did the natural thing; started memtesting everything. DDR400 DDR2 Ram CAS 5-5-5-18 Four sets of sticks; 2x2GB PNY's and 2x1GB Elixirs So far I've tested one of the Elixirs and one of the PNY's, and…
Andrew Bolster
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What diagnostic tools for diagnosing problems on Ubuntu?

I recently had an ubuntu server slow to its knees, and when trying to figure out why I realized it didn't have iostat installed. The system was stressed out to the point where I couldn't install the package, making me realize that I need to…
Leopd
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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-weightd. This server was set up and configured using…
Brent
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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 displayed is slightly different from the standard…
Michael Galos
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