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20%
Using Libvirt with Python to manage virtual machines
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © fourseasons, 123RF.com
group, an initial test shows whether or not access works: # virsh -c qemu+ssh://virtuser@ernie/system version Compiled against library: libvirt 1.1.3 Using library: libvirt 1.1.3 Using API: QEMU 1.1.3
20%
Ransomware: Prepare for emergencies
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Photo by Michael Geiger on Unsplash
Emergency Readiness Team (US-CERT), for example, recommends the 3-2-1 backup principle [6]: three copies of the data, one production copy, and two backups, divided between two different media (e.g., hard
20%
Laying out documents with Markdown and Pandoc
20.06.2022
Home »  Archive  »  2022  »  Issue 69: Terra...  » 
Photo by Edgar Chaparro on Unsplash
] or LaTeX [3]. However, these tools are complex, with syntax that is not necessarily intuitive, and require a certain period of familiarization. LaTeX is, strictly speaking, only a collection of macros
20%
News for Admins
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
 
impacted platforms at risk. Systems using ME Firmware versions 11.0/11.5/11.6/11.7/11.10/11.20, SPS Firmware version 4.0, and TXE version 3.0 are impacted." The affected products include the sixth, seventh
20%
News for Admins
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
 
are communicating using a TCP connection." The TCP specification was strictly implemented in Linux since version 3.6 released in 2016. Google uses version 3.6 of the kernel in Android 4.4 KitKat. As a result, any
20%
Writing SELinux modules
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Amy Walters, 123RF.com
policy modules that are available and active on the system. The file is stored below /etc/selinux: # ls -lh /etc/selinux/targeted/policy/total 3.6M -rw-r--r--. 1 root root 3.6M Mar 3 13:28 policy.29
20%
The practical benefits of network namespaces
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © Morganimation, fotolia.com
Linux Containers (LXC) [1] and Docker [2], as well as software-defined network (SDN) solutions [3], make extensive use of Linux namespaces, which allow you to define and use multiple virtual
20%
News for Admins
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
 
.11 enhances performance for Zen 2/Zen 3 CPUs and adds support for Van Gogh. Finally, Nvidia RTX 30 GPU support has been added. One of the more exciting additions to the kernel is the inclusion of the Syscall
20%
Singularity – A Container for HPC
21.04.2016
Home »  HPC  »  Articles  » 
with weighty parallel file systems.” According to the Hemsoth article, Docker requires Linux kernel version 3.10 or higher, but some users needed older OS distributions such as CentOS 6.x that still used
20%
Data Analysis with Panda
12.03.2014
Home »  HPC  »  Articles  » 
by convention – but not necessarily – is imported using: import numpy as np Multidimensional matrices are created in a similar way, that is, with nested lists: np.array([[1, 2, 3], [4, 5, 6]]) If the content

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