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Questions tagged [testing]

243 questions
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4 answers

Ethernet Loopback plug - running a ping

For a project at work, I need to be able to test various Ethernet NICs by connecting them to a "loopback adapter plug", like this one on various embedded Linux boxen that come off a production assembly line. I'd like to be able to setup two…
J. Polfer
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8 answers

Best bandwidth tests to use in a pinch?

I see many tools that have been discussed for 'proper' bandwidth monitoring and testing - but I am wondering what people use 'in a pinch'? Particularly on systems that they may not easily have admin privileges on? I am mainly looking for Internet…
aSkywalker
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1 answer

Redis sentinel: force switch to another master

Context: I have 3 redis nodes, and 3 sentinels. The failover works properly. When I'm taking the master down, another master is elected. Need: I need a way to test the behavior, to make sure everything works as expected. I wish I could force the…
aspyct
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1 answer

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 when I am starting the server instance and then…
arne.z
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1 answer

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 system configuration in code (e.g. in a Dockerfile),…
tgpfeiffer
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4
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2 answers

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 the cable without following the whole cable under…
duez
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1 answer

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 after configuration changes. I would like to…
Belmin Fernandez
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1 answer

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 correct). Recently we were bitten by a bug in…
AlexB
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2 answers

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 come in with their laptops, and test as painlessly as…
Xandor Schiefer
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2 answers

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 it. If not, please advise on your own best…
Kyle Rosendo
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3 answers

What's a worthwhile test for a new HD?

I work for a company that uses standard 2.5" SATA HD's in our product. We presently test them by running the Linux 'badblocks -w' command on them when we get them - but they are 160 gig drives, so that takes like 5 hours (we boot parted magic onto a…
Michael Kohne
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Burn in 50 Computers without installing an OS on each

I am burn in testing 50 propritary PCs for a customer. I am having some issues figureing out how to burn these machines in using my customers requirements. I must use Passmark Standard 6.0 or >. I am required to include these tests: CPU, 2D…
Albion
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2 answers

Website diff testing tool

Our CEO wants us to check all of our 100+ hosted/partner websites. Not only does she want to check if they are up and running, but she would like a diff analysis on the websites so that we can keep a log of any changes that may have occurred from…
tacos_tacos_tacos
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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 Directory integrated DNS and is the DHCP server. The…
dasko
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Using a VM for testing, how to artifically reduce performance?

My workstation has VMWare Server, and I'm running a few VMs for mocked production environments. I'd like to artificially slow them down, which should make finding poorly-performing code easier. While only having 4GB of RAM on my Win7 box,…
Bryan Boettcher
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