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-1
votes
0answers
21 views

Proper packet size for ping test

I have been seeing an increase in network related issues lately and have started running some ping tests to different offices in the company to try and get a baseline. I want to run continuous pings ...
1
vote
0answers
60 views

How to change server time safely for testing purposes

We have a Debian server (in a VM) running a Java application on a Tomcat server, using a Postgres database. It's a testing environment, so we can do anything we want to it. Every once in a while, we ...
3
votes
1answer
27 views

Segmentation fault when running nuttcp inside Docker

I am measuring the UDP throughput between two Docker containers that are connected by Docker's native overlay network. I already used iperf but also want to measure the throughput with nuttcp. But ...
6
votes
1answer
3k views

How can you test a backup / secondary MX server?

I'm wanting to set up a secondary MX server using Postfix but I am wondering what is the best way to test this prior to putting into production (by adding its MX entry)? One possible way is to test ...
2
votes
1answer
1k views

Simple test plan template for Change management

We're looking for short checklist/template for to show that the change has actually worked and hasn't broken anything. This is being introduced as part of a more formal change management process. ...
0
votes
1answer
17 views

Reliable UK/EU ICMP Targets for Periodic Routing/Connectivity Tests?

I need to test routing between my United States datacenters and United Kingdom and Mainland Europe ISPs. This is used to distinguish between general transcontinental routing issues and specific ...
1
vote
2answers
68 views

Command-line utility to test fwmark in ip rule / ip route?

I am trying to find a tool that will allow me to find the route a packet will take that comes in on a device, and has a particular destination address. ip route get will do most of what I am looking ...
9
votes
5answers
4k views

Testing a servers ability to serve a particular domain

Say you have Server A set up with your favourite webserver-daemon to serve www.example.com. Now you want to move this to Server B. After a bunch of copying and configuring, the new server seems to be ...
0
votes
2answers
151 views

What does negative value of -1 in kB_rd/ and kB_wr/s mean in PIDSTAT command

This is a sample output from running pidstat. minflt/s majflt/s VSZ RSS %MEM kB_rd/s kB_wr/s kB_ccwr/s 49 0 217532 18784 0.01 -1 -1 -1 Can you ...
1
vote
4answers
195 views

Virtualization that is distributed on workstations or on a big central server for testing and documentation?

We are contemplating a push for employing virutalization for our test and documentation group to help manage consistent test and documentation environments. We were looking at choosing either a couple ...
1
vote
1answer
323 views

How to generate test data from an sql query and a result set?

I am using an oracle database and want to generate test data from a live database, but I do not want to copy the whole database content. Given a database DB(S, D) consisting of the database schema S ...
19
votes
5answers
35k views

How to check that an OpenVPN server is listening on a remote port without using OpenVPN client?

I need to check that an OpenVPN (UDP) server is up and accessible on a given host:port. I only have a plain Windows XP computer with no OpenVPN client (and no chance to install it) and no keys needed ...
0
votes
1answer
56 views

Is it possible to write a test in rspec-puppet to check if registry exists?

I am trying to install .net framework 4.5.2 using puppet module using exec resource instead of using Package resource due to some reason. I want to write a test case to check if it is installed or ...
2
votes
4answers
3k views

Testing strategies for f5 bigip

I am a developer who is used to being able to test and debug code. Occasionally I have to make changes to our load balancer configuration. As far as I can see, if I mess this up it could stop the ...
2
votes
3answers
113 views

Behavior-driven development for servers?

I've been looking to see if there are any BDD's for servers, something that would be similar in respects to Cucumber or Behat? Something that has some syntactic sugar such as: Feature: jre In order ...
-5
votes
2answers
7k views

“short” when testing an ethernet cable which is not connected to anything

There is a (~80m) Cat5e cable that stopped working a few days ago. I tested it with two different cable testers, and with both of them the result was: "short". Usually I get this result if there is a ...
1
vote
4answers
316 views

How do I simulate an unreachable host on windows?

I have a windows 8 PC, I am testing a beta program for network socket error handling. One of the ones I am having problem simulating for it to test is host unreachable and network unreachable errors. ...
5
votes
1answer
805 views

How to test for file absence with serverspec?

The serverspec guide on resource types doesn't explain how to test for the absence of a file, rather than its presence. This is the best I could come up with: describe command('/bin/bash -c "[[ ! -e ...
7
votes
5answers
21k views

Easiest way to send a test email from a server, to test settings?

Using Windows (2008) is there an easy command line tool that I can use to send a test email from a server to test the SMTP, user authentication, ports, etc... without writing my own?
2
votes
0answers
22 views

Test if iptables would pass a given ip/ip-range [duplicate]

I am currently trying to debug problems relating to our firewall configuration and found myself in the situation where I would like to test a config. Ideally I would like to take the iptables config ...
5
votes
3answers
226 views

There is a way to unit test servers?

I am a developper, but since I know Unix and use Linux at home, I have to handle ten webservers and hundred of websites, DNS adress, webservices, well, too many bits of informations to check. We are ...
4
votes
1answer
131 views

A testing framework for Linux server configuration management

We are a medium sized shop that uses Puppet for Linux configuration management. Since we are a small shop, it's difficult to deploy and maintain DTAP environment. We normally perform manual testing ...
1
vote
1answer
191 views

What are the different Status options for Dell show copper-ports command?

When the below command is issued in a Dell N2024P/N3024F switch show copper-ports tdr The following output is generated Port Result Length Date Gi1/0/1 OK 0 - 10 Jan 1 ...
4
votes
1answer
2k views

Slow “applying computer settings” on workstation when I simulate domain controller being turned off that holds the FSMO roles in a two DC domain

Slight problem testing fail-over procedure with my two domain controllers. I have two domain controllers, DC1 and DC2. DC1 has all FSMO roles, is Active Directory integrated DNS DC2 is Active ...
3
votes
3answers
23k views

How do I know to which node of my Oracle RAC I am connected?

Is there an easy way to determine to which RAC node of an Oracle 11g R2 system I am connected? I am trying to perform some failover tests and I want to make sure my application is correctly connected ...
10
votes
3answers
10k views

How to redirect all outgoing email from postfix to a single address for testing

I am setting up a testing server for a web based application that sends some email notifications. Sometimes testing is performed with real customer data, and for that reason I need to guarantee that ...
1
vote
1answer
85 views

Cannot kitchen init as non-root

I am trying to use test-kitchen, a tool to test chef (etc) cookbooks with virtual machines. However when following the guide and doing kitchen init --driver=kitchen-vagrant, I get the following ...
1
vote
1answer
133 views

Could somebody that has worked with ePolicy Orchestrator in VMWare provide a high level overview of the roles in the stack?

E policy Orchestrator (EPO) is a McAfee product that manages AV MOVE apis. The EPO server works in conjunction with ESX and vcenter. VISUALLY I don't see the workflow of this entire process very ...
0
votes
2answers
398 views

How do I test my firewall rules?

I've setup some rules in ufw and I've turned it on. Now I want to ensure my rules actually block traffic. However, when running nmap -PN -p <my_port> <ip> from my local workstation it ...
4
votes
2answers
274 views

Standard Firewall and Network Change Testing Procedure

I am looking for a standard that advises on the best practice for testing of the following situations: Network Changes Firewall Changes Does any standard exist? If so, please note where I can find ...
4
votes
2answers
2k views

Routing to proxy and code injection into files served on local network

I'm trying to set up an Open Device Lab. This question focuses on the network routing of and injection of code into the responses to requests made by the test devices. I want people to be able to ...
0
votes
2answers
146 views

Why DEV environment is associated with more than one QA environments?

I worked as QA intern during my summer, i have a question when i used to run tests for product build. I used to find 3 QA environments associated with one Dev environment? For instance: Dev has 1 ...
3
votes
3answers
513 views

How to: mirror a staging server from a production server

We want to mirror our current production app server (Oracle Application Server) onto our staging server. As it stands right now, various things are out of sync, and what may work in testing/QA can ...
18
votes
4answers
8k views

Best practice for testing chef recipes?

My team has created a large number of chef cookbooks. I was wondering what methods and frameworks I should look into so we can start creating tests to assure that our nodes are configured properly?
-1
votes
1answer
188 views

How to automatically test the audio quality of a telephone line that randomly goes bad?

I am a computer scientist and I'm working as sysadmin of a small firm where I've been managing also the telephone system that my predecessor put in place. Albeit I don't really have the skill set for ...
1
vote
0answers
163 views

systemd upgrade frozen on “removing any startup links for /etc/init.d/udev-mtab”

I am having an issue upgrading my VPS which runs latest Debian, I decided to switch to testing branch to be able to use OpenSSH 6.7 (the current stable branch only brings 6.0 which lacks many ciphers ...
4
votes
1answer
137 views

What do you use for automated testing of Debian package installations and updates?

I am using a Debian repo (based on reprepro) for Wheezy and custom packages. I modify my custom packages from time to time and test them manually on different systems, e.g.: Test a) Installation of ...
2
votes
0answers
71 views

Docker-based infrastructure testing tool

I am currently trying to migrate a VM-based infrastructure to a Docker-based one and take the chance to add behavior testing to this infrastructure. So I aim to have all changes I make to the base ...
4
votes
2answers
220 views

Find a UTP cable in a live network

Is there a way to find a UTP cable in a live network, without damaging the network? The problem is we have some cables laying in the server-room from god knows where. I want to find the other end of ...
0
votes
1answer
141 views

Router/Firewall Hardware Failure Testing

My company has a Sonicwall Pro 3060 Enhanced that has been in service 24/7 for about 10 years since it was originally purchased. Lately the box has seemed to have hiccups in passing traffic (although ...
0
votes
1answer
156 views

Different throughput Ethernet-Wireless Wireless-Ethernet

I've built an open source implementation of RFC2544 to test IPv4 network devices. One of the first devices I tested is a wireless router D-Link 2640B. In order to measure its performance I use a ...
8
votes
9answers
16k views

How do I benchmark performance of external DNS lookups?

I'm considering Google's public DNS servers as the external DNS for my network. Currently I'm using the DNS servers from my ISP. I've also considered OpenDNS in the past, but ultimately decided not ...
6
votes
5answers
8k views

What's a reliable way to test patch panel connections?

I just had to run a total of 12 cat5 cables into a patch panel. This was the first time I'd actually done that. I'm reasonably confident that I got all the wires in the right order after some initial ...
2
votes
2answers
2k views

Need a live UDP echo Server IP and port

I require to test my UDP program using echo server. I have tested this application in LAN but now I require it to test it in Internet. Is there and globally recognize freely available well known ...
-1
votes
1answer
113 views

HDD performance testing over LAN [closed]

Do you know some utility that allow me for HDD performance testing over lan. The issue - I have a shared drive with shared file database. Performance of the database is low and I assume that ...
1
vote
1answer
84 views

How can I verify that my PAM configuration works as expected

I'm trying to setup a vsftpd server in a virtual machine and all I can ever get from it is an authentication error (530 Login incorrect). Since I've tried to configure it using virtual users with PAM, ...
3
votes
1answer
401 views

Continuous Integration testing of RPM upgrades

We release software on RPM-based linux. We receive many packages from different teams, some outside of our business unit, that must upgrade correctly (in the future we want to check dependencies are ...
0
votes
1answer
319 views

Windows server environment for the setup, testing and putting 3rd party server apps into production

Our company uses several 3rd-party server applications (Installed as services and desktops have client applications) installed on Windows Servers (virtual) along with SQL Server. All of this is under ...
0
votes
1answer
316 views

What are acceptable failure rates in load testing scenarios

I am doing a report on load testing for a client. I am using a service called blitz IO. He would like to handle 1000 concurrent users at 500ms. Every time I have run a test like this there it has ...
1
vote
1answer
843 views

Need to DUPLICATE HTTP requests to two servers

We're developing an new server to replace an old one, and want to put the side by side for before & after tests - so that we can compare the end result and find the discrepancies. The input to ...