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Questions tagged [test]

46 questions
25
votes
3 answers

What is /usr/bin/[?

I was just poking around in /usr/bin and I found an ELF binary file called [. /usr/bin/[. I have never heard of this file and my first thought was that it was a clever way of hiding a program, possibly a trojan. However it's present on all my CentOS…
Josh
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16
votes
9 answers

Drunk test for cpanel or website?

Is there some sort of plugin for cpanel or at least something I can use on the admin section of my site that will test if an admin logging in is drunk and block them if they appear to be?
James Simpson
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14
votes
3 answers

How can I test a new cron script?

I'm running on a couple of different Linux distros (Fedora 11, CentOS 5 and SuSE 10.2) and often run into a problem where a new script that I want to run as a cron job works fine when called direct from the command line, but fails when called from…
gareth_bowles
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14
votes
3 answers

What is the best way to measure latency via a "telnet to port" test, preferably with built-in Linux tools?

I'm writing a Graphite/Diamond collector measuring network latency. Specifically it should measure the time it takes to open up a connection to a port on a remote server. And it needs to work via script, i.e. no humans on the keyboard running this…
r3cgm
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14
votes
6 answers

Network latency: 100Mbit vs. 1Gbit

I have a webserver with a current connection of 100Mbit and my provider offers an upgrade to 1Gbit. I understand that this refers to throughput but the larger the packets, the faster they can be transmitted as well, so I would expect a slight…
Andreas Richter
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8
votes
1 answer

What is the difference between memtest86 and memtester?

Memtest86+ - http://www.memtest.org Memtester - http://pyropus.ca/software/memtester/ I am looking at above memory test tools. What is the difference between these two? (In what aspect should it be used differently?)
A-letubby
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8
votes
3 answers

Iperf from one interface to another on the same computer?

I need to test network throughput of a server to/from itself (it's a lonnnng story!). I love Iperf and use it across the network, but, I just can't figure out how to bind it to a single interface and only listen via that. From the documentation, I…
William Hilsum
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8
votes
5 answers

Routing protocols, distance vector vs link state

I'm trying to figure out the differences(pros/cons) between two routing protocols approach and I would be great-full for any help, advice and explanation. As far I can say that it seems like distance vector is more static and more local based…
Artem Barger
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8
votes
7 answers

Testing a server before installing an OS

Our development server at work is taking a dump on us. So at this point, we're repurposing some other servers we have in our server room for this purpose. My boss wants me to test the servers before I even try installing anything on them. How do…
collink
5
votes
1 answer

What is yum "running transaction test"?

There are many questions and answers on the internet about the "Running transaction test" notice which appears after a yum update. These questions usually concern what to do if it gets stuck. My question is simply to know: what is taking place…
Jack Amoratis
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3
votes
1 answer

How to transfer testdata in testlink from one server to another?

Last month we installed testlink and bugzilla on our server and we started writing testcases in testlink for our project. Unfortunately we've never been able to access testlink on that server. We always get "500 - Internal Server error". So we…
Murali
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3
votes
1 answer

GUI Tests in Hudson (Jenkins) on Windows

I will try to keep this question simple. I've done much research on the topic, and haven't found any solution. GUI Tests fail when doing maven builds on Hudson (Jenkins). Hudson is running as a service, logged on as Local System. I have enabled…
JT703
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2
votes
2 answers

How to protect my server from CVE-2019-10149 - Exim - patched or unpatched - How to reject mail to RCPT ${run

In reference to the recently publicized Exim vulnerability CVE-2019-10149, I am running supposedly patched Exim v. 4.90_1 (built June 4th, 2019) on Ubuntu 18.04.2 LTS. Although it is supposedly patched, according to Canonical, I'm getting a lot of…
jdmayfield
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2
votes
2 answers

test server for wordpress

I'm using wordpress on a small e-commerce site (not for the ecommerce, just for the front page and a few others). We would like to get a full duplicate of the site set up on a second server, and then switch over the DNS to the new server's IP…
rossdavidh
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2
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2 answers

SMTP stress test

does anyone knows of any good software for Mac OS X or at least for RHEL/CENTOS Linux that I can run against my SMTP Server?
alexus
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