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17%
Pattern matching dispute in Python 3.10
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Photo by Steve Harvey on Unsplash
if (isinstance(node, BinOp) and node.op == "+" and isinstance(node.right, BinOp) and node.right.op == "*"): a, b, c = node.left, node.right.left, node.right.right # Handle a + b*c # new and more easily
17%
High-performance load balancing
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © meyrit, 123RF.com
was released as open source on GitHub in 2016. Loading Modules Before you can use Seesaw v2, you need to meet various requirements. First, you need at least two Seesaw nodes, which can be physical machines
17%
Shared Storage with NFS and SSHFS
12.09.2018
Home »  HPC  »  Articles  » 
Up to this point, my series on HPC fundamentals has covered PDSH, to run commands in parallel across the nodes of a cluster, and Lmod, to allow users to manage their environment so they can specify
17%
Shared Storage with NFS and SSHFS
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © Oleksiy Mark, 123RF.com
Up to this point, my series on HPC fundamentals has covered PDSH, to run commands in parallel across a cluster's nodes, and Lmod, to allow users to manage their environment so they can specify
17%
Red Hat PaaS hyperconverged storage
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Oleksandr Omelchenko, 123RF.com
with Gluster containers … Figure 2: … or an external storage cluster, in which the individual Gluster nodes run [3]. A new service in Gluster 3
17%
Advantages of data analysis with graph databases
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © alphaspirit, 123rf.com
. The basic structure of a graph database is node-edge-node, which makes it possible in practice to represent a relationship such as "object A is connected to object C by edge B." With a well-designed graph
16%
Running OpenStack in a data center
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © lassedesignen - Fotolia.com
of a production environment with Juju and MaaS, accompanied by the unfortunate restriction that the solution costs money as of the 11th node that MaaS needs to manage. Of course, it would also be possible to focus
16%
Time-series-based monitoring with Prometheus
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © Juthamas Oonhawat, 123RF.com
of these is node_exporter [12], which reads and provides operating system metrics such as memory usage and network load. Meanwhile, a number of exporters [13] exist for a wide range of protocols and services
16%
Monitoring container clusters with Prometheus
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Guido Vrola, 123RF.com
the container platform, the current container, services, and applications via the Kubernetes API. You do not have to change the configuration of Prometheus when pods launch or die or when new nodes appear
16%
IPv6 security on IPv4-only networks
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © foottoo, 123RF.com
IPv6. Mechanisms such as auto-configuration and automatic tunneling mean that IPv6-capable nodes will attempt to establish connections using IPv6. Filtering of IPv6 traffic or the lack of end

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