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33%
Building a virtual NVMe drive
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © lassedesignen, 123RF
/pkoutoupis/rapiddisk/ mdadm: https://linux.die.net/man/8/mdadm Jansson C library: http://www.digip.org/jansson/ nvmetcli Git repository: http://git.infradead.org/users/hch/nvmetcli.git/ The Author Petros ... An economical and high-performing hybrid NVMe SSD is exported to host servers that use it as a locally attached NVMe device.
32%
Real-time log inspection
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © bowie15, 123RF
_protocol" $status $body_bytes_sent "-" "$http_user_agent" That the first line in Listing 3 is all one long line is not precisely clear. It's commented out for reference. To create the correct log_format entry ... Teler is an intrusion detection and threat alert command-line tool that analyzes logs and identifies suspicious activity in real time.
31%
Warewulf 4 – Python and Jupyter Notebooks
13.04.2023
Home »  HPC  »  Articles  » 
Interactive HPC applications written in languages such as Python play a very important part today in high-performance computing. We look at how to run Python and Jupyter notebooks on a Warewulf 4 ... and /opt/apps/anaconda3/include are prepended to $PATH /opt/apps/anaconda3/man is prepended to $MANPATH ]]) -- Local variables local version = "22.9.0" local base = "/opt/apps/anaconda3/" -- Whatis ... Interactive HPC applications written in languages such as Python play a very important part today in high-performance computing. We look at how to run Python and Jupyter notebooks on a Warewulf 4
31%
Generating information with the touch of a button
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Reports. OpenRPT is available from SourceForge [5] and is released under the GNU Lesser General Public License. Written in C++, the latest release, 3.2.0, dates from November 2010, which makes it one of the most ... In any business you are going to find hundreds, if not thousands, of different kinds of data. Collecting and presenting it is a snap with the right tools.
31%
Monitoring NFS Storage with nfsiostat
12.03.2013
Home »  HPC  »  Articles  » 
understand the kinds of loads applications running on an NFS client put on the NFS storage server. ... with the write throughput in Figure 3, you can see that write operations are extremely small because write throughput is very low (i.e., high Write IOPS, low write throughput, equals very small write operations ... understand the kinds of loads applications running on an NFS client put on the NFS storage server.
30%
Ceph and OpenStack Join Forces
04.06.2014
Home »  HPC  »  Articles  » 
When building cloud environments, you need more than just a scalable infrastructure, you also need a high-performance storage component. We look at Ceph, a distributed object store and filesystem ... -oriented configuration of Libvirt, you first need a UUID, which you can generate at the command line using uuidgen . (In my example, this is 2a5b08e4-3dca-4ff9-9a1d-40389758d081 .) You then modify the Cinder configuration ... When building cloud environments, you need more than just a scalable infrastructure; you also need a high-performance storage component. We look at Ceph, a distributed object store and filesystem
30%
Where Does Job Output Go?
11.09.2023
Home »  HPC  »  Articles  » 
Where does your job data go? The answer is fairly straightforward, but I add  some  color  by  throw ing  in a little high-level background about what resource managers are doing and evolve ... or on the command line when you submit the job script. I don’t want to dive into the writing of job scripts, but because the resource manager creates an output file for you, or lets you define the name of the file ... Where does your job data go? The answer is fairly straightforward, but I add  some  color  by  throw ing  in a little high-level background about what resource managers are doing and evolve
29%
Getting started with the Apache Cassandra database
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Photo by Almos Bechtold on Unsplash
. The measurement data here are run times of a ping against the Linux-Magazin website. Cron executes a simple shell script every minute, which essentially comprises only one line: /bin/ping -c1 -D -W5 www ... The open source Apache Cassandra database claims to be fail-safe, economical, highly scalable, and easy to manage. A few exercises show whether it lives up to its advertising.
29%
Creating SmartOS zones using UCARP
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Le Moal Olivier, 123RF.com
_domain": "yourdomain.com", 06 "dataset_uuid": "d34c301e-10c3-11e4-9b79-5f67ca448df0", 07 "resolvers": [ 08 "192.128.0.9", 09 "192.128.0.10" 10 ], 11 "max_physical_memory": 4096, 12 "nics": [ 13 ... We show how to create highly available SmartOS zones using UCARP.
28%
Lustre HPC distributed filesystem
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Photo by Efe Kurnaz on Unsplash
the output so that you do not see the same instance repeated over and over again: $ sudo pdsh -w 10.0.0.[3-6] ls /lustre | dshbak -c ---------------- 10.0.0.[3-6] ---------------- test.txt I ... The Lustre open source distributed, parallel filesystem scales to high-performance computing environments.

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