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17%
Introduction to behavior-driven monitoring
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Mariya Herasymenko, 123RF
Scenarios: 21 cucumber /usr/lib/nagios/plugins/cucumber-nagios/checks/features/www.xing.com/startpage.feature:4 # Scenario: Visiting home page 22 23 1 scenario (1 failed) 24 4 steps (1 failed, 3 skipped) 25 0 ... 3
17%
Monitoring KVM instances with Opsview
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Gina Sanders, Fotolia
also frequently provides the underpinnings for a virtualization cluster that runs multiple guests in a high-availability environment, thanks to Open Source tools such as Heartbeat [2] and Pacemaker [3
17%
Secure containers with a hypervisor DMZ
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © lightwise, 123RF.com
=kata-fc -itd --name=kata-fc busybox sh d78bde26f1d2c5dfc147cbb0489a54cf2e85094735f0f04cdf3ecba4826de8c9 $ pstree|grep -e container -e kata |-containerd-+-containerd-shim-+-firecracker---2*[{firecracker
17%
Discover vulnerabilities with Google Tsunami
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Silas Baisch on Unsplash
. The Shell Approach The following example assumes you have a host machine running Ubuntu Linux 22.04 with Java installed. Besides Java, you need Nmap network scanner version 7.80 or newer and the Ncrack
17%
High availability for RESTful services with OpenStack
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © Ying Feng Johansson, 123RF.com
02 log 127.0.0.1 local0 03 maxconn 4000 04 daemon 05 uid 99 06 gid 99 07 08 defaults 09 log global 10 mode http 11 option httplog 12 option dontlognull 13 timeout server 5s
17%
SSHFS for Shared Storage
15.09.2020
Home »  HPC  »  Articles  » 
need SSH active on both systems. Almost all firewalls are set up to allow port 22 access or have mapped port 22 to a different port that can accommodate SSHFS. All the other ports can be blocked
17%
Explore automation-as-code with Ansible
04.12.2024
Home »  Archive  »  2024  »  Issue 84: Non-R...  » 
Lead Image © Kittipong Jirasukhanont, 123RF.com
Shift or – as shown here – an Ingress route for accessing the AWX service. This strategy also works with MicroK8s or K3s. You might have to adjust the Ingress definition if routers such as Traefik cannot cope
17%
Nine home clouds compared
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © inertia@intuitivmedia.net
://www.github.com/hbons/SparkleShare – Current version (as of October 2014) 7.0.2 (Community) 1.0.25 1.1 5.20141013   2.2 5.2.3 3.1.7 1.4 7.0 Release date August
17%
Performance monitoring in Windows Server 2008 R2
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Itsallgood, Fotolia.com
and documentation on the topic of server performance monitoring. If you manage a complex structure, it's good idea to read the guides on this site. To run the tool, you also need Log Parser 2.2 [2], which is also
17%
Open Source Security Information and Event Management system
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © Yoichi Shimizu, 123RF.com
and lets you know of changes or foul play on the data link layer. P0f – An effective passive fingerprinting tool to identify OS and software on endpoints and to show how the machine is connected

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