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16%
Improved visibility on the network
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Lead Image © Sergii_Figurnyi, 123RF.com
process. OpenNMS supports NetFlow versions 5 and 9, as well as IPFIX and sFlow. Figure 3 shows the rough structure of the components needed to evaluate flow data with OpenNMS Horizon
16%
Minifying container images with DockerSlim
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Maggie Molloy, 123RF.com
(minified by 25.99X) from python:2.7-alpine - 84.3MB => 23.1MB (minified by 3.65X) from python:2.7.15 - 916MB => 27.5MB (minified by 33.29X) from centos:7 - 647MB => 23MB (minified by 28.57X) from centos
16%
Live migration of virtual machines with KVM
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © SV-Luma, 123RF.com
to the driver attributes (Listing  2). Now you can start migrating a VM manually as follows: virsh migrate --live fedora-22 qemu+ssh://node2/system Listing 2 XML File Disk Settings 01 02
16%
Get the best out of your bandwidth with tc
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Russell Shively, 123RF.com
your average packet size is. Tools such as Snort [2] will run for a few minutes and offer detailed data about your networks protocol usage. Ntop [3] is another example that will also give information
16%
Securing AI model deployments with SELinux
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
Lead Image © Kirsty Pargeter, 123RF.com
/testuser/fake_train.py chmod +x /home/testuser/fake_train.py and an attempt was made to execute it: python3 /home/testuser/fake_train.py Without SELinux, execution was unrestricted, and the script consumed resources
16%
A GUI for Warewulf 4
06.05.2025
Home »  Articles  » 
I think virtually everyone in HPC knows the Warewulf open source cluster provisioning and management tool. I wrote about Warewulf starting with Warewulf 3, followed by a series on Warewulf 4. Since
16%
Checking Kubernetes Security Drift
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Photo by Bob Jenkin on Unsplash
When you run multiple Kubernetes (K8s) clusters (e.g., production, staging, disaster recovery), you expect them to enforce the same security controls. But do they? Emergency fixes, temporary
16%
HPC resource monitoring for users
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Lead Image © Andrey_Russinkovskiy, 123RF.com
library mpiP [3], is used in conjunction with one of these two MPI libraries to gather MPI profile stats. When Remora is finished, it creates a directory of form remora_XXX in the directory in which
16%
Backup and restore disks
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Photo by Omar Flores on Unsplash
is still at an experimental stage in version 1.0.6; therefore, the developer advises against using it on production systems. External USB media or SSDs connected over USB 3.0 are best suited for quick
16%
Setting up DevOps Orchestration Platform
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © J¸rgen Acker, Photocase.com
DevOps Orchestration Platform [1] is a web-server-based software platform and framework that implements an abstraction layer above Terraform [2] and Ansible [3], including the utilization of Ansible

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