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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.

357 questions
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Hyper-V Guests suddenly stopped working

Here's my configuration: Windows Server 2008 R2 Standard as a host OS, and two guests VMs running the same exact OS. Yesterday, Trial Activation on all OSes has expired and quite naturally all machines shut down. I rearmed the host, but cannot log…
Anton Gogolev
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Need troubleshooting advice for intermittent dns problems with requests on isp nameservers

I've been having some intermittent dns problems with a web server, where certain isp's dns servers don't have my hostnames in cache and fail to look them up. At the same time, queries to opendns for those hostnames resolve correctly. It's…
Mnebuerquo
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How to detect Router or Transmission line error

I have a large LAN at my company. I suspect that there is a failure of a router or of a transmission line connecting routers. I want to narrow down the search, where is the fault. How could I narrow down the location of the problem.
Vaibhav Jain
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How can I rename a file in novell sever?

My Server is using netware 4.X, I am one of their client. I can map the drive in F:\ for example, and I want to rename the file which is located in F:\ , but I get follow error: Duplicate file name or file in use. I can ensure that I type the file…
hihi
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Double Nginx installation issue

It seems i somehow have two installations of Nginx on a server, Nginx Amplify reports two installations (see screenshot), one of them not sending updates of course, and occasionally when restarting Nginx it fails complaining ports 80 and 443 are…
Julien
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Troubleshooting K8 cluster with StatefulSets that don't respond to scales

I currently have a Kubernetes environment which is generally not behaving (slow response times to commands, pods not being scheduled, etc). I've not been able to find any trouble shooting information in the form of events or errors (that I've…
freebie
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How to figure out what makes a Linux workstation slow?

We have this ThinkPad X240, 8GiB of RAM, an i5 4300U, and a Toshiba SATA SSD. The machine is running Linux Mint 20.3. The user complains that it is very slow. Mostly when the browser is open and several tabs are loaded. In particular Google Maps…
Pierre
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SQL DB failing to send server email - intermittent

Recently, we noticed an issue in SASS 2014 logs regarding the failure of some emails to send: The mail could not be sent to the recipients because of the mail server failure. (Sending Mail using Account 1 (2023-06-29T11:20:17). Exception Message:…
Gytis Varnelis
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Redis Stack Server - Cannot Change Data Dir (Docker/Kubernetes)

I am trying to get redis up and running in a Kubernetes environment. I’ve done many tutorials, read the documentation, etc. etc. I need to have the .rdb file and the .aof file(s) saved in a Persistent Volume so that the data can be persisted across…
techgirl
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Server administration issue

How can you troubleshoot a slow server response time? My server performance is deteriorating so fastly. I've tried fixing server software and configurations. Also checked with network connectivity. It seems there is no issue. Could you please help…
Gary Hines
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The network routes A.com and sub.A.com so differently

Route is based on IP, right? How does it possible to route my packets so differently? One is success, but another is not. # traceroute A.com traceroute to A.com (1.2.3.4), 30 hops max, 60 byte packets 1 ... 2 ... 3 .. 4 A.com # traceroute…
Cheng
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Ansible trouble while launching an exe through win_command

I'm currently writing a playbook about uninstalling Fusion Inventory Agent and then deploy GLPI agent 1.4 on Windows Server 2016-2022. For all the tests i detail below, i use my domain account which has admin rights on any servers. (I run ansible…
motorbass
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Problems with MySQL 8.0.29 Data Corruption, Need Upgrade Path Advice

I have a master and 3 slaves running the buggy 8.0.29 version of MySQL. Yesterday 2 of my slaves stopped synchronizing and I couldn't complete a full resync from a fresh dump because I kept getting "error 2013 lost connection to SQL server" when…
daehnomel
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Unable to Install Appgate on Kali Due to libicu Dependency Issue

I'm trying o install the Appgate VPN client on the latest version of Kali. I downloaded the Ubuntu .deb file from from https://www.appgate.com/support/software-defined-perimeter-support/client. When I attempt to install the file I get a dependency…
user1339242
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Unable to reach different network using ubuntu server as a router in gns3

My network is shown in the picture, I am trying to ping from a windows vm to an ubuntu vm in a gns3 network. But I get: "Destination host unreachable". Network: https://i.stack.imgur.com/2xR6S.png I am trying to use ubuntu server 18.04 as a…
Sergio Loza
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