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16%
Introduction to behavior-driven monitoring
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Mariya Herasymenko, 123RF
m0.008s Line 8 of the backtrace in Listing 6 shows that the issue is caused by the file permissions: The Nagios user wants to write the webrat.log file but does not have the required permissions
16%
Digital asset management
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Claudia, Fotolia.com
Alchemy [5]. Phraseanet [1] has been available for download since 2010 under the GPLv3 via GitHub. We installed version 3.8. Before installing, admins should take a look at the documentation [6] to prepare
15%
Zuul 3, a modern solution for CI/CD
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © lightwise, 123RF.com
and supports a number of development platforms, like GitHub and Gerrit Code Review [6]. Zuul originated as OpenStack CI testing. For years, OpenStack, the Infrastructure-as-a-Service (IaaS) cloud [7], got all
15%
Ceph Dashboard at a Glance
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Lead Image © Prin Pattawaro, 123RF.com
in a short space of time. Object Storage Daemons (OSDs) [6], for example, can fail because the underlying drive has failed. In this case, placement groups [7] change their states, resulting in rebalancing
15%
GlusterFS Storage Pools
17.11.2016
Home »  HPC  »  Articles  » 
the trusted storage pool, you simply add additional servers to the existing federation. The example here is based on Fedora 22 and is designed to provide back-end storage for virtual systems based on Qemu
15%
Arm yourself against cloud attacks
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © sandra zuerlein, Fotolia.com
rules still apply. The attacker cannot open port 22 to the outside by deleting the corresponding Netfilter rule to gain access to the system by SSH. How security groups can be used in AWS is explained
15%
Build storage pools with GlusterFS
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © jala, Fotolia.com
the trusted storage pool, you simply add additional servers to the existing federation. The example here is based on Fedora 22 and is designed to provide back-end storage for virtual systems based on Qemu
15%
Free backup tool for data centers
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© andresr, fotolia.com
Include { 13 File = /usr/sbin 14 Options { 15 Signature = MD5 16 } 17 } 18 Exclude { 19 File = /var/lib/bacula 20 File = /tmp 21 } 22 } 23 24 Messages { 25 Name = Daemon 26
15%
Three full-text desktop search engines
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by Lucas Gallone on Unsplash
for future enhancements that were never implemented. Interested parties are largely left to their own devices when trying to determine Tracker's current feature set. The blog [6] maintained by Sam Thursfield
15%
Tool your HPC systems for data analytics
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Sergey Nivens, 123RF.com
[6] Julia (up and coming) [7] Java [8] Matlab [9] and Matlab-compatible tools (Octave [10], Scilab [11], etc.) Java is the lingua franca of MapReduce [12] and Hadoop [13]. Many toolkits ... 22

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