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A new approach to more attractive histograms in Prometheus
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by Markus Winkler on Unsplash
percentiles. To do this, data is divided into 100 distribution areas. The x th percentile is then the value below which x percent of the observations fall. The classical histogram metric divides a range
9%
Unicode migration with an Oracle database
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© joingate, 123RF.com
, NCLOB), because you do not want to convert binary data, of course. Conversion takes place automatically in transit (via Oracle Net); for example, a Euro sign typed on a Windows machine (0x80 in WIN-1252
9%
Magnum: Exploring OpenStack's Container API
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Ulrich M ller, 123RF.com
.2 224984 49332 pts/30 S+ 12:20 0:16 /usr/bin/python /usr/bin/magnum-api stack 19844 0.0 1.4 228088 57308 pts/31 S+ 12:20 0:03 /usr/bin/python /usr/bin/magnum-conductor $ which magnum /bin
9%
News for Admins
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
 
by CISA, NSA, and NIST. The Quantum-Readiness: Migration to Post-Quantum Cryptography (PQC) (https://www.cisa.gov/sites/default/files/2023-08/Quantum%20Readiness_Final_CLEAR_508c%20%283%29.pdf) fact sheet ... In the news: US Agencies Issue Quantum-Readiness Recommendations; Bitwarden Secrets Manager; IBM X-Force Releases Detection and Response Framework for Managed File Transfers; National Strategy
9%
Saving Storage Space with Reduced Precision
19.06.2023
Home »  HPC  »  Articles  » 
56 laytonjb laytonjb 4096 Jun 7 15:34 .. 4 -rw-rw-r-- 1 laytonjb laytonjb 731 Jun 7 15:40 fortran_test1.f90 20 -rwxrwxr-x 1 laytonjb laytonjb 17280 Jun 7 15:40 fortran_test1 40 -rw-rw-r-- 1 laytonjb
9%
Windows Subsystem for Linux and Android in Windows 11
28.11.2022
Home »  Archive  »  2022  »  Issue 72: OpenS...  » 
Photo by Jack Hunter on Unsplash
by with significantly fewer resources than Hyper-V. That said, during my last visit to the site, some add-ons were still missing, and I had to resort to an X server on Windows to run graphical Linux applications [2
9%
Tools that extend Bash scripting
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Laschon Maximilian, 123RF.com
't need a working X setup on the system, which is common in the admin world. tput (TUI): Tput is part of the ncurses package supplied with most Linux distributions. At first blush, tput [3] sounds really
9%
openlava – Hot resource manager
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Konrad Bak, 123RF.com
that this binary is installed into /opt/openlava-2.0. For the Warewulf cluster I used in my testing, this works out very well because /opt is NFS-exported from the master node to the compute nodes. The first step
9%
The Road to End-of-Scale
19.06.2013
Home »  HPC  »  Articles  » 
the TOP500 list, Titan at Oak Ridge National Lab. Titan can deliver 20PFLOPS of performance on the HPL benchmark using AMD Opteron processors and NVidia K20x accelerators. To reach exascale with the same
9%
Gathering Data on Environment Modules
10.09.2012
Home »  HPC  »  Articles  » 
@test1 ~]$ su Password: [root@test1 laytonjb]# more /opt/logs/module Aug 22 09:41:20 test1 laytonjb: This is a test Notice that a user cannot look at the log or modify it, but root can. No it’s time

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