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14%
Prepare, analyze, and visualize data with R
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © Buchachon Petthanya, 123RF.com
(dayOfYear):as.factor(wday)Monday 16.64 18 8.382 < 2e-16 *** s(dayOfYear):as.factor(wday)Saturday 11.29 18 3.307 3.00e-09 *** s(dayOfYear):as.factor(wday)Sunday 12.92 18 4.843 1.02e-13 *** --- Signif. codes: 0
14%
CephX Encryption
27.03.2013
Home »  HPC  »  Articles  » 
/libvirt/secrets (Figure 3). What’s missing is the actual key that libvirt needs for this password. The appropriate command is: virsh secret-set-value 46d801da-7f82-4fa4-92cd-a19e6999d2e6 `ceph-authtool \ --name client ... The RADOS Object Store and Ceph Filesystem: Part 3
14%
MySQL is gearing up with its own high-availability Group Replication solution
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © lassedesignen, 123RF.com
One important reason for the success of MySQL [1] is asynchronous replication, introduced in the 2001 release 3.23, which allows admins to set up replica instances (slaves) that receive all data
14%
New Monitoring Tools
14.04.2021
Home »  HPC  »  Articles  » 
to “expand” (Figure 2). If you want to reduce the zoom, use the m key to “minimize” (Figure 3). Think of it as zooming in and out in your web browser. If you like, you can zoom in on all the charts
14%
Storage cluster management with LINSTOR
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © sdecoret, 123RF.com
romulus 192.168.133.11 node create --node-type satellite remus 192.168.133.12 node create --node-type satellite vulcan 192.168.133.13 node create --node-type satellite kronos 192.168.133.14 In addition
14%
Warewulf 4 – Environment Modules
20.03.2023
Home »  HPC  »  Articles  » 
. My Warewulf 4 cluster currently runs Rocky 8.6 (soon to be 8.7). A container used for the stateless compute nodes is the same as the head node (Rocky 8.6). Both /home  and /opt  are NFS shared from
14%
Julia: A new language for technical computing
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
.33 164.69 0.75 rand_mat_stat 3.37 39.34 11.64 54.54 22.07 8.12 rand_mat_mul 1.00 1.18 0.70 1.65 8
14%
Parallel Programming with OpenCL
04.11.2011
Home »  HPC  »  Articles  » 
Gauss 5x5 2 Gauss 12x12 3 Mean 3x3 4 Mean 5x5 5 Emboss ;6 Sharpen 7 Motion blur Figure 2 shows some of the results of these convolutions. Summary and Conclusions The GPU doesn’t guarantee
14%
Resource monitoring for remote applications
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image Gustavo Quepón on Unsplash.com
of profiling [2], I have focused on individual applications, either serial or parallel [3]. Profiling usually means trying to understand application resource usage patterns by answering questions such as: "How
14%
High availability clustering on a budget with KVM
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Yulia Saponova, 123RF.com
/sysconfig/network-scripts/ifcfg-eth0: DEVICE=eth0 HWADDR=00:16:76:D6:C9:45 ONBOOT=yes SLAVE=yes USERCTL=no Master=bond1 /etc/sysconfig/network-scripts/ifcfg-eth1: DEVICE=eth0 HWADDR=00:16:76:D6:C9:45 ONBOOT=yes SLAVE=yes USERCTL

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