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16%
pdsh Parallel Shell
08.07.2018
Home »  HPC  »  Articles  » 
using the IP address of the other node. $ pdsh -w 192.168.1.250 uname -r 192.168.1.250: 2.6.32-431.11.2.el6.x86_64 The -w option means that the IP address of the target’s node(s) is specified
16%
Introduction to HDF5
22.02.2017
Home »  HPC  »  Articles  » 
 ) }       DATA {          1, 2, 3, 4, 5, 6,          7, 8, 9, 10, 11, 12,          13, 14, 15, 16, 17, 18,          19, 20, 21, 22, 23, 24       }    } } } HDF5 has many ways to represent the same datatype
16%
Accessing Fortran code with Python
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Kheng Ho Toh, , 123RF.com
.multiply_(byref(a), byref(b)) print add.addtwo_(byref(a), byref(b)) The output from the Python code is: $ python3 testfunc.py 8 6 If you like, you can write a simple Python wrapper function for the shareable objects
16%
Sharing a Linux Terminal Over the Web
08.08.2022
Home »  HPC  »  Articles  » 
 because, typically, head nodes or workstations open ports 22 (SSH), 443 (HTTPS), and sometimes 80 or 8080 (HTTP). Can I find terminal-sharing tools that use these ports? Moreover, can a web browser be used for terminal
16%
Getting data from AWS S3 via Python scripts
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © erikdegraaf, 123RF.com
boto3 3 4 s3 = boto3.resource('s3') 5 bucket = s3.Bucket('prosnapshot') 6 bucket.download_file('hello.txt', 'hello-down.txt') Figure 2
16%
Tuning ZFS for Speed on Linux
17.03.2020
Home »  HPC  »  Articles  » 
   PROPERTY              VALUE                  SOURCE myvol  type                  filesystem             - myvol  creation              Sat Feb 22 22:09 2020  - myvol  used                  471K                   - [ ... ] ARC Operating systems commonly
16%
Comparing startup times of Linux distros in the cloud
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Lead Image © Lucy Baldwin, 123RF.com
ssh ubuntu@52.90.56.122; do sleep 1; done ssh: connect to host 52.90.56.122 port 22: Connection refused ssh: connect to host 52.90.56.122 port 22: Connection refused [ output truncated ] Welcome
16%
Tuning ZFS for Speed on Linux
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © Wong Yu Liang, 123RF.com
NAME PROPERTY VALUE SOURCE myvol type filesystem - myvol creation Sat Feb 22 22:09 2020 - myvol used 471K
16%
Bare metal deployment with OpenStack
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Photo by Anatolii Nesterov on Unsplash
_httpboot 03 local bifrost_ironic 04 local bifrost_mariadb 05 local bifrost_tftpboot 06 07 # ll -h /var/lib/docker/volumes/bifrost_httpboot/_data/ 08 [...] 09 -rw-r--r-- 1 42422 42422 6.1G Mar 2 10
16%
Shell practice: Introduction to the sed stream editor
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © Dmitriy Sladkov, 123RF.com
/956026386 Cobie Smulders - Maria Hill 23514560145 Hugh jackman - Wolverine 801539193 Paul Rudd - Ant Man 497349000 Listing 2 testlist.txt 22 April 1984 7.04.1985 30 March 1986 19 April 1987 03

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