Questions tagged [testing]

Question 1

I'm trying to clean up the testing workflow for a project I'm working on, a database built on top of io_uring and NVMe. Right now I'm using KVM and its NVMe device emulator to power the dev ...

Question 2

I use following commands to start Squish test on machine Linux osn-pq-ubuntu22-64 6.8.0-79-generic #79-Ubuntu SMP PREEMPT_DYNAMIC Tue Aug 12 14:42:46 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux: /home/...

Question 3

I am trying to test a helm deployment that interacts with Hashicorp Vault. I am currently setting up TLS encryption and want my tests to run using TLS against the vault server while it's in dev mode (...

Question 4

I had a php application last year that was working on shared hosting that has 1 GB RAM and 1 CPU core. At the time, there were 200 users using the service and the performance was perfectly fine. ...

Question 5

Hello I'm getting ready to certify some cabling and realized it is mix matched cat5 and 6 but my certifier is only for cat5. So I wonder if I needed a speacial certifier to do that thanks.

Question 6

Problem: Should start off with saying that this is for a software house, and it's internal. None of the guys are "users", they are all staff. We test on servers, including upgrading ...

Question 7

In order to use google-chrome for selenium-testing purposes (to be run headless of course) I want to install this on a remote server where I do not have root access. This server does not even have ...

Question 8

Our team try to find a way to compare CPU and Memory usage between the current version and the new version. I found some answers. (1) Using load balancer By using load balancer, we can divide our ...

Question 9

This is what I want to test out, SEE IMAGE: Router connected to users and is accessible over the internet as well PC1 and PC2 should be able to join some group(s). Should be able to leave group as ...

Question 10

What is the role of Selenium in load testing a webpage if it cannot generate 200 or 300 requests? I understand, the client side automation can be done. But how do I test my web application for a real ...

Question 11

so I hired a freelancer to do some work on my server that required admin access. Before hiring him I took a backup of my debian installation on that server. I have a basic level of trust with this guy ...

Question 12

Intro I have ruby software that utilizes a network during its execution. Recently I got feedback from a user who works behind a firewall and use SOCKS, this software doesn't work for him So I need to ...

Question 13

I was wondering if it's possible to write a shell script that: runs chroot for a given userspec and group monitors/intercepts system calls all processes started, and what libraries they attempt to ...

Question 14

I am new to networking so I am trying this for the first time. I created an openvpn docker that connects to a VPN server. Running wget -q -O - https://api.myip.com inside the docker container confirms ...

Question 15

For various automated tests that I do, I need to be able to make a POST HTTP & HTTPS request to some external URL and essentially have that webpage "echo" what I sent. For example, if I ...

Question 16

In teaching CS, students submit their code to our server and we compile and run with unit tests. Similar to Codeforces, Codewars, and HackerRank. How should we be configuring servers for this? Launch ...

Question 17

In most companies I've seen, the prod/staging dichotomy is articulated as follows, using Facebook's live feed as a running example: prod (obviously) stays up to date with new incoming posts, messages,...

Question 18

Sadly, it is not self evident just how important it is to get a penetration test done at this company. I am rather rusty to this. Where is the hash table stored on a Win2016 DC these days? I want to ...

Question 19

I want to solve the following problem: I have a Windows desktop application which does a number of things that requires internet access. I want my application to be able to use a proxy. This is ...

Question 20

I have cloned the selinux-testsuite regression tests from: https://github.com/SELinuxProject/selinux-testsuite I am running the tests in a CentOS Linux release 7.6.1810 (Core) VM. Which I don't ...

Question 21

Do you know a way to test if an HTTP server is reachable with a specific nic ? My scenario is the following : our company is using laptop for all our employees. To use the network we can either use ...

Question 22

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 ...

Question 23

I would like to install OpenSSL 1.1.1a on a Debian stable server, which currently has OpenSSL 1.1.0j installed. So, I created the necessary files according to this answer in the /etc/apt/preferences.d ...

Question 24

I try to use foo.pl, but using /usr/lib/fcgi-bin as my fcgi directory in the given directive. I made foo.pl executable and after editing my apache2.conf I have restarted apache2. But if I launch my ...

Question 25

I want to test an early new version of a server, and to do so I want to mirror part of the real requests that come to the production server on my testing server. The mirror module allows me do to ...

Question 26

To test that the high-availability mode does what it should, I need to kill the instances during testing, and I need to kill them in such way that they can't report they are disconnecting or similar. ...

Question 27

Just installed a 350' Fiber Optic cable for a client. Customers IT company came in to install the AT&T router and said the fiber optic cable is not working. IT company installed the router with a ...

Question 28

The situation is rather simple: to reproduce failures which had happened in a recent outage, I'd like to deliberately fail DNS resolution in JVM's in: Caused by: java.net.UnknownHostException: ......

Question 29

this is my first post here. I have configured rsnapshot for backing up remote hosts. Some of them are working fine and for some of them in the morning, I am having email with some error code 255. I ...

Question 30

So, basically I am testing and diagnosing my UPS's as well as the power sources (PSU) of my server. For that purpose I am powering down the server "the hard way", by unplugging it from the wall as to ...

Question 31

I'm developing a website using Django framework and Nginx. Would like to create a false system error and observer how my system responds. This is a nice article however this only create false Error ...

Question 32

I have to validate whether my router's QOS policies are working correctly.I have come up with an approach to tag the packets with DSCP values using IPTABLES. Can anyone confirm whether my approach is ...

Question 33

We have a case where we need to test some scripting and application code related to daylight savings time. We wanted to simulate the daylight savings time switch by disabling the NTP service and ...

Question 34

I'm currently running a backend in production and want to change our current setup to use Docker for deployment and a CI tool for testing. Right now I have a BitBucket repository with the two main ...

Question 35

I want to test if my network or even my ISP blocks spoofed IP packets. I am running a Debian Linux OS. I found this nice tool, but it's not working on my system .. https://www.caida.org/projects/...

Question 36

I am currently looking to trial some new Wifi products for my work place. We currently have around 50 Access Points that link into an HP MSM controller. I wanted to find out if anyone has any ...

Question 37

Is there a way to check which package installed on server by command output? describe command('mysql -e "select version();"') do if its(:stdout) { should =~ /5.6.27-76.0-log/ } describe ...

Question 38

We're building a custom software program (Java + Spring.io) that writes audit trails to a log file (using logback). When a user takes an action in the system, an auditing entry is logged. This works. ...

Question 39

I deploy Linux servers all the time and would like to test each installation. Like a system test. For applications there a numerous of test frameworks, but I can't find anything for testing the a ...

Question 40

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 ...

Question 41

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 ...

Question 42

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 ...

Question 43

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 ...

Question 44

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 ...

Question 45

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 not....

Question 46

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 ...

Question 47

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. ...

Question 48

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 ...

Question 49

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 00:00:...

Question 50

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 /...