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48%
JMeter tests loads and measures performance of static and dynamic resources
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by CHUTTERSNAP on Unsplash
the Internet, I found that JMeter users also had some testing issues, but in general, they were all quite glad to get away from LoadRunner. Inspired to take a closer look, I took JMeter out for a test spin
48%
Do You Know Juno?
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © alexskopje, 123RF.com
VMs from the outside world. If you wanted to use high availability (HA) on Layer 3, you had to work with tools such as Pacemaker, which rarely resulted in satisfactory results, but it did add more
48%
HPC resource monitoring for users
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Lead Image © Andrey_Russinkovskiy, 123RF.com
While chatting with some colleagues, we discussed how some applications return unusual results, even though previous runs had produced the expected results. As they were discussing ways to tell
48%
Ansible as an alternative to the Puppet configuration tool
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Jenzig, photocase.com
server was hand-reared, admins still occasionally had the need to keep configuration files for individual services synchronized across multiple servers. Networks began to deploy tools such as Rsync or SCP
48%
Bpfilter offers a new approach to packet filtering in Linux
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © alphaspirit, 123RF.com
The roots of iptables go back to 1999. Starting with Linux 2.4, iptables finally replaced ipchains, which in turn had replaced the old-fashioned ipfwAdmin a few years earlier. The coming and going
48%
Tested – Tenable Nessus v6
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © Author, 123RF.com
the results in the filesystem. A few seconds later, we had the WinPcap 4.1.3 installation window on our screen; Nessus relies on the technical underpinnings of the free program library. From a practical point
48%
Mesos compute cluster for data centers
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © Artisticco LLC, 123RF.com
for a year in their own IT infrastructure [4]. Some of the engineers had previously worked for Google and were familiar with its counterpart, which today goes by the name of Omega [5]. Since 2011, many
48%
Network traffic utilities bandwhich and iftop
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © Ildar Galeev, 123RF.com
on another. Sandwiches The first tool I look at has changed its name recently from what to bandwhich and has had a bit of a facelift. A comprehensive README file [1] offers some insight into the tool written
48%
Getting the most from your cores
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © ktsdesign, 123RF.com
for running daemons or any other process that needs CPU cycles. If the application had been run with four threads, the plot would have been more chaotic, because the kernel would have had to move or pause
48%
Activate HTTP/2 on web servers
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Soloviova Liudmyla, 123RF.com
.9.9, which had already removed a few of the bugs in the HTTP/2 implementation. Until now, the server push feature, in which a web server initiates the transfer of files the client will need, has not been

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