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25%
Affordable hardware switch for SDN
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © plus69, 123RF.com
Zodiac FX as an alternative for testing OpenFlow configurations on real hardware. Zodiac FX is a four-port, 100MB switch controlled by an Atmel CPU. The Zodiac FX switch works with the OpenFlow protocol
25%
Encrypted backup with Duplicity
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Boing, Photocase.com
: Python 2 version 2.6, along with the developer packages (for Ubuntu in the python-dev package) librsync version 0.9.6 along with developer files (for Ubuntu in the packages librsync1 and librsync
25%
Read-only File Compression with SquashFS
14.06.2017
Home »  HPC  »  Articles  » 
 -rw-r--r-- 1 laytonjb laytonjb 261K 2014-06-09 20:31 FS_scan.csv.gz The original file is 3.2MB, but after using gzip with the -9 option (i.e., maximum compression), the resulting file is 268KB. The .gz
25%
Lustre HPC distributed filesystem
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Photo by Efe Kurnaz on Unsplash
_time update ) Persistent mount opts: user_xattr,errors=remount-ro Parameters: checking for existing Lustre data: not found device size = 48128MB formatting backing filesystem ldiskfs on /dev/sdb target
25%
Processor and Memory Affinity Tools
14.09.2021
Home »  HPC  »  Articles  » 
 $(find /sys/devices/system/cpu -regex ".*cpu[0-9]+/topology/thread_siblings_list") | sort -n | uniq 0,32 1,33 2,34 3,35 4,36 5,37 6,38 7,39 8,40 9,41 10,42 11,43 12,44 13,45 14,46 15,47 16,48 17,49 18,50 19,51 20,52 21,53 22,54 23,55 24,56 25
25%
Using rsync for Backups
07.01.2014
Home »  Articles  » 
 
the space used in the two backup directories and the SOURCE directory. The SOURCE directory reports using 9.2MB; backup.0 , the most recent snapshot, also reports using 9.2MB (as it should), and backup.1
25%
Managing Storage with LVM
07.11.2023
Home »  HPC  »  Articles  » 
 the last command as an example, an option to specify the extent size would be: # vgcreate -s 8M vg0 /dev/sdb1 /dev/sdd The -s 8M  option specifies a PE size of 8MB when the VG is created. You can change
25%
Real-World HPC: Setting Up an HPC Cluster
04.11.2011
Home »  HPC  »  Articles  » 
on enterprise-grade rack hardware, there is no reason one cannot follow along at home with a few beige boxes and an 10Mb hub, as long as the servers are capable of booting from the network with PXE [6]. PXE
25%
Jelastic: Java and PHP as a service
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Melinda Nagy, 123RF.com
of its array of supported programs: If you use the platform for Java applications, you can look forward to support for Tomcat with Java 6 or Java 7 (Figure 3), with Jetty or GlassFish 3 as alternatives
25%
Working with the Lustre Filesystem
24.02.2022
Home »  HPC  »  Articles  » 
 mount opts: user_xattr,errors=remount-ro Parameters:   checking for existing Lustre data: not found device size = 48128MB formatting backing filesystem ldiskfs on /dev/sdb         target name   testfs:MDT0000         kilobytes     49283072

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