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0
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0answers
9 views

What software should I use to get a USB serial/RS-232 sniff/trace?

I have a device that communicates over the serial/RS-232 protocol over USB. I don't really know what that entails but basically if I don't set baud rate, flow control, etc. right communication doesn't ...
0
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0answers
13 views

Installing LTTng-modules 2.5.4 on CentOS 7

I am trying to install LTTng-modules 2.5.4 on CentOS 7, by building it from source because CentOS 7 is unable to install this package from RPM. Running "make" to build package contents results in the ...
-3
votes
1answer
28 views

Cannot access Amazon EC2, is my site down. What should be done? [on hold]

Amazon ec2 instance is shown as running by AWS mgmt console. And my site is http://displayten.com/ I am not able to open the same. I have tried SFTP it gives me timed out. Not able to access using ...
2
votes
2answers
112 views

Add a fake hop in tracert?

A client wants to add a fake hop when someone does a traceroute on his IP address. He has two ip addresses, and one interface (no problem, virtual interfaces solve it). How should I proceed? Is this ...
0
votes
1answer
29 views

IIS 7.5 deployment's issue - WebApp won't load

Recently, I've been working on a new WebApplication (c# asp.net MVC 4 with VS 2013) and now is time to deploy it on my company's server (WS 2008 R2 SP1). The project is working fine under Visual ...
5
votes
1answer
47 views

Tracing chain of NTP servers

For educational purposes I wanted to trace a chain of NTP servers, e.g. 0.de.pool.ntp.org back to a stratum 1 NTP server. How can I do this? I found ntptrace, but it doesn't work: /home/xyzdragon# ...
0
votes
1answer
3k views

Server not pinging even after setting gateway and ip

I am configuring an Icinga monitoring server. I am entirely new to Linux, so configuring after googling each and every bit. I have configured ip address, subnet mask and default gateway correctly. ...
10
votes
1answer
238 views

how to do I/O sniffing

For sizing purposes I need to understand what requirements an application has to the I/O subsystem. I would love to do what I call I/O sniffing and obtain a list of events from the block layer like ...
1
vote
1answer
687 views

ARR troubleshooting 502.3 / WinHttp tracing on Server 2012

I have the following scenario: 3 windows server 2012 virtual servers, all with IIS 8: 1 server with Application Request Routing 3 2 servers with the web applications that the ARR server routes to ...
0
votes
1answer
370 views

SQL Server Trace keeps outputting files

A consultant has come and gone to do some audit on our SQL server, and has left a bit of a mess here. The problem is that he did things that we don't know anything about. In the C:\Program ...
1
vote
0answers
70 views

IIS httpTracing setting has no effect

I'm trying to troubleshoot some performance issues we are having on a specific ASP.NET page with Microsoft's Perfecto Tool on IIS 7.5. Perfecto uses the ETW hooks build in to IIS to report on specific ...
0
votes
1answer
159 views

Application traffic classification with tcpdump

I have a trace file from my network. I would like to identify the top 10 applications used by us . Does tcpdump provide any application based filtering options ? Any details regarding this would be ...
0
votes
2answers
386 views

how to see queries to oracle database

the database in question is Oracle 10g Enterprise software the tools available are Toad, SQL Developer, and other built in oracle tools I have an application server within the network, alongside the ...
0
votes
1answer
73 views

Interfacing strace with Process Name instead of PID

How do I implement a wrapper script pstrace in bash that changees the interface of [sudo] strace -c -p [PID] to [sudo] pstrace -c -p [PROCESS-NAME] similar to how killall [PROCESS-NAME] is ...
10
votes
2answers
1k views

What's difference between monitoring, tracing and profiling?

I have seen these three words showing up a lot, but don't understand the exact differences between them. For example, collecting CPU utilisation is often called profiling and can also fall into ...
0
votes
1answer
613 views

Ubuntu kernel trace - troubleshooting “task hung for 120 secs” random crashes

I was finally able to get a trace from a 'task hung for 120 seconds' error. Our servers would just randomly crash on load spikes. IO wait times seem normal. Memory/Swap is fine. These are Xen based ...
0
votes
3answers
924 views

How to get public DNS server addresses?

I have a need to be able to identify which public DNS servers machines in internal networks are using for queries. To clarify, I do not want IPs or names of internal DNS servers or network devices. I ...
1
vote
1answer
990 views

different between tracert(windows) and traceroute(linux)

I'm tracing some server between tracert(Windows) and traceroute(linux) in the same network. But the output is different. tracert can trace the target server. But traceroute can't. The traceroute ...
0
votes
3answers
506 views

How do I trace from my client PC what databases it connects to

I wonder if there is some way to trace what servers my program using OLEDB tries to connect to. Problem: I have a program displaying some reports made in Crystal Reports. The loading of some reports ...
4
votes
1answer
2k views

How to trace Apache 301 Moved Permanently?

I have one virtual host on my machine, which I am accessing localy. I am running apache2 under windows 7. When accessing this host, I see in Fiddler, that server redirects browser to different remote ...
1
vote
1answer
266 views

Trace MySQL processes

I am running a typical LAMP stack with Fedora: how do I find out which PHP script launched the queries which are shown when I run SHOW PROCESSLIST in MySQL? I've read this article, but unfortunately ...
1
vote
1answer
382 views

How to run truss with piped command in Solaris

How to run a truss command with piped output? eg. # truss -leDo /tmp/truss.out tar cvf - dirs/ | gzip -1 > archive.tar.gz I get only the "tar" output in truss, not from gzip!
1
vote
1answer
250 views

Why do my IIS6 requests freeze for a long time in the HTTPSYS_CACHEABLE stage?

One of my applications was experiencing intermittent delays in a specific part of the system. Users would click the "Save" button, and sometimes it would take an extra 30 seconds to respond. I turned ...
2
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3answers
2k views

IIS ASP.Net Website - ManagedPipelineHandler

I am experiencing a strange issue. I have an ASP.Net web application that users Form Authentication. If I open the log-in page and there is a couple of minutes of inactivity, the log-in attempt times ...
2
votes
0answers
53 views

Equivalent of SQL Server trace for Oracle 10g?

I've got a bad code duplication problem where we cannot tell which versions of packages/procedures are being used. i.e. I have different packages with procedures of the same name and I need to be ...
4
votes
3answers
204 views

What tool can be used to splice together log files from different sources?

I am trying to analyze a series of application requests. There are web logs, application server logs and data server logs, all with slightly different timestamps on each line. I'd like to splice ...
9
votes
3answers
28k views

How do you trace/debug LDAP connections against Active Directory?

I am spoiled, and have been doing most of my LDAP work with eDirectory, which has a utility called DSTrace which is lovely, and for LDAP specifically, will show you all the bind attempts, the source ...
12
votes
2answers
21k views

What is stored in %Windir%\System32\LogFiles\WMI\RtBackup?

I occasionally notice in Resource Monitor hard disk activity related to ETL files in the folder C:\Windows\System32\LogFiles\WMI\RtBackup. Which process/service creates these ETL files and what is ...
0
votes
3answers
604 views

Any good IIS Tracer?

I'm trying to find an IIS Tracer to be able to look at all requests on my ASP.NET application. I found the IISTracer tool which looks great. The problem is that my server is running with an AMD64 ...
0
votes
1answer
48 views

SQL server 2000 trace Flags

On fixing an issue we are having with our backups I am following instructions where it is telling me to add the Trace Flag -g384. This is all good but I am not sure what this perameter actually does. ...
1
vote
2answers
2k views

How should I capture Linux kernel panic stack traces?

What's current best practice to capture full kernel stack traces on a Linux system (RHEL 5.x, kernel 2.6.18) that occasionally panics in a device driver? I'm used to the "old" SunOS way of doing ...
3
votes
3answers
6k views

Deletion of SQL Profiler Trace files (.trc)

We've noticed a lot of .trc files in our SQL data folder (\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Data) on our server. The date range for these files spans over one day and the total file ...
3
votes
2answers
664 views

Help analyzing traceroute

my name is Abdulla and I'm from Kuwait. Sorry for my question as I know its not technically challenging. I'm facing some problems with my internet connection. My company has a DSL 2mb connection. My ...
1
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1answer
1k views

See full HTTP traffic in Tomcat logs

For debugging purposes, I need a way to see all HTTP traffic between our Tomcat installation and the test clients. How can I configure Tomcat to trace all HTTP traffic (and not just the headers)? We ...
2
votes
1answer
1k views

WireShark - wireshark trace traffic from my local browser to a local .net application I have with a HttpListener? (e.g. local to local)

Can wireshark trace traffic from my local browser to a local .net application I have with a HttpListener? (e.g. local to local) I can't seem to detect this traffic at the moment with wireshark. Is ...
1
vote
2answers
270 views

SQL Profiler Trace logs

Suppose that I try to insert some data into a table and if the insertion fails due to some CDBException, will that be logged in to the SQL Profiler logs? I am using SQL Server MSDE 2000
4
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3answers
409 views

Decommissioning: how to list clients/applications depending on my SQL Server?

I have a SQL box that I want to decommission. Before doing so, I want to understand all the applications that may be relying on the machine, rather than just turning it off and hearing people scream. ...
0
votes
1answer
1k views

angry ip scanner reports differnet hostname and computer name on a domain?

did a quick sweep of a network this morning and i am getting different hostname to computername in the list. this is a domain with a DC in there. it has active directory integrated dns. if you use ...
1
vote
1answer
2k views

Security implications of granting ALTER TRACE

Are there any server-level security concerns I might be missing with granting a login ALTER TRACE on a SQL 2005 instance? I don't care that the login can see anything that's happening on the server ...
1
vote
4answers
2k views

What can be found out by person's IP/host address?

I just discovered that my supposedly anonymous e-mail isn't so anonymous after all. My IP and host name is sent with the headers. This information exposed, what can be found out?
3
votes
4answers
4k views

How to diagnose a hang when creating a new folder in explorer.exe

I have been having some issues with explorer.exe hanging when I create a new folder. If I use Analyse Wait Chain in the Resource Monitor it says "One or more threads of explorer.exe are waiting to ...
1
vote
1answer
176 views

How do I Interpret a Failed Request Trace?

I have a problem with a web site running IIS 7. The problem are the initial requests to each page: they take far longer than they should. After that first request the page loads fine. I'm sure the ...
10
votes
4answers
13k views

How can I audit a file to see who deleted it?

On one of our servers we have a file that keeps mysteriously getting deleted. What I'd like to do is have a program watch this file and let me know when/how/by whom it gets deleted. We have a backup ...
1
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3answers
1k views

How Does TCP Trace work on Windows

How does a TCP Trace work?
2
votes
2answers
1k views

Tracking IP through a socks5 proxy + RDP?

We were having some issues at work until we found that we are being attacked almost every day. The attacker seems pretty smart - at first he was always using proxy to hide his IP. With scanning I ...
14
votes
7answers
20k views

traceroute TCP equivalent for Windows [closed]

I'm trying to determine where connectivity to an external host using a specific TCP port is being blocked. Traceroute for Windows only uses ICMP, and telnet will only tell me that the port is blocked ...
2
votes
1answer
2k views

How to properly interpet the results of tracert, in particular the second to last hop before a timeout

I am troubleshooting a wireless internet connection that is continuously dropping. The isp says the radio signal is good so it must by my cisco asa 5505. I don't believe them... For discussion ...
0
votes
1answer
90 views

How can I consume IIS7's FREB programatically

[I'm replicating a question I put on Stack Overflow a while ago and received no answer - figuring that it's more up Server Fault's alley (SF didn't exist yet when I first posted this)] IIS 7 has a ...
18
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2answers
7k views

Setting Trace Flags “Permanently” in SQL Server?

We need to use SQL Server Trace Flag 7646 to help mitigate some full text blocking, but I was dismayed to find that the trace flag "unset" itself, probably when the database server was rebooted. I've ...
8
votes
10answers
44k views

Identify machines connected to switch

Our company recently closed down half our office space, which was not being used. We gave back the unused space to the building management and had it walled off. Prior to us closing it off, I jotted ...