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15%
Warewulf Cluster Manager – Completing the Environment
20.06.2012
Home »  HPC  »  Articles  » 
:x:2:root,bin,daemon sys:x:3:root,bin,adm adm:x:4:root,adm,daemon tty:x:5: disk:x:6:root lp:x:7:daemon,lp mem:x:8: kmem:x:9: wheel:x:10:root mail:x:12:mail,postfix uucp:x:14:uucp man:x:15: games:x:20
15%
Desktop Supercomputers: Past, Present, and Future
17.03.2021
Home »  HPC  »  Articles  » 
, offices, and labs are not data centers and have power and cooling limitations. Standard wall sockets in the US are 120V, and common amperage values in the home are 15 and 20A. A 15A circuit has a capability
15%
Exploring the most famous performance tool
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © Lucy Baldwin, 123RF.com
: The top command on a Linux system. 15:28:23 up 1 day, 20:10, 3 users, load average: 0.10, 0.14, 0.13 The second line of the display lists the aggregate state of the system's processes – 205 in all
15%
Embarrassingly parallel computation
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Lucy Baldwin, 123RF.com
PI resulting in a brief burst of computation on cores 0, 1, and 6 (Figure 4) and an approximation of pi (purely out of randomness and geometry) to 3.139, computed in just half a second (Figure 5). Executing
15%
News for Admins
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
 
.13, and more This version also ships with several desktop environments, including: Gnome 48 KDE Plasma 6.3 LXDE 13 LXQt 2.1.0 Xfce 4.20 Debian 13 will be supported for the next five
14%
Developing RESTful APIs
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © bowie15, 123RF.com
/2016-11-21) 15 < Date: Thu, 30 Mar 2017 18:48:49 GMT 16 < Connection: Keep-Alive 17 < 18 * Curl_http_done: called premature == 0 19 * Connection #0 to host localhost left intact 20 {"data":[{"id":1,"name
14%
Setting up MariaDB replication with the help of XtraBackup
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Kran Kanthawong, 123RF.com
, but Debian and Ubuntu installations define max_binlog_size as 100MB. XtraBackup also wants to create a separate file for every InnoDB table, which is enabled by the innodb_file_per_table variable (Listing 3
14%
Better compression of web pages
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
For nearly 20 years, web servers have relied on Gzip compression to compress HTML, CSS, and miscellaneous text files, which the browser then receives and unpacks again, speeding up data transfer
14%
Profiling Python code
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image ©-Yong Hian Lim, Fotolia.com
without profiling). Listing 3 pprofile Output Command line: md_002.py Total duration: 1662.48s File: md_002.py File duration: 1661.74s (99.96%) Line #| Hits| Time| Time per hit
14%
Understanding the Status of Your Filesystem
18.06.2014
Home »  HPC  »  Articles  » 
.12 4–8 43,118 11.11 69.23 8–16 24,296 6.26 75.49 16–32 33,455 8.62 84.11 32–64 13,502 3.48 87

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