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17%
IPRoute2: arp, route, and ifconfig in a Single Tool
06.08.2013
Home »  Articles  » 
 
, that is, MAC addresses and the like, is handled by the link option. For example, using ip link or ip link show shows you the low-level information about the interfaces (Figure 3) in a similar way to ip
17%
Failure to Scale
03.07.2013
Home »  HPC  »  Articles  » 
and the parallel portion 800 seconds. Amdahl’s Law says the speedup is 1.00 (i.e., the starting point). Notice that as the number of processes increase, the wall clock time of the parallel portion decreases
17%
Creating Virtual SSDs
21.01.2020
Home »  HPC  »  Articles  » 
    7        1      56008 loop1 06    7        2      56184 loop2 07    7        3      91264 loop3 08  259        0  244198584 nvme0n1 09    8        0  488386584 sda 10    8        1       1024 sda1 11
17%
Warewulf 4 – Python and Jupyter Notebooks
13.04.2023
Home »  HPC  »  Articles  » 
-*- -------------------------------------------------------------------------------- -- Anaconda (Python) (Version 22.9.0 Python 3.9.13 (main, Aug 25 2022, 23:26:10) -------------------------------------------------------------------------------- help( [[ This module loads Anaconda so you can
17%
Favorite benchmarking tools
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © Lucy Baldwin, 123RF.com
sports a few additional capabilities, the most noteworthy being its ability to measure page faults and swapping activity by the tested binary: $ /usr/bin/time gcc test.c -o test 0.03user 0.01system 0:00
17%
A Btrfs field test and workshop
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Adrian Hillman, 123RF.com
. Enterprise-Level Features Btrfs is a copy-on-write (COW) filesystem. Whereas a filesystem like ext3 logs block changes in a journal, Btrfs always writes changes to a block at a new location on the disk
17%
Using loop directives to improve performance
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © orson, 123RF.com
of an application allows it to run faster and scale better than serial applications (see Amdahl's law [3]). Today's processors have multiple cores, and accelerators such as GPUs have thousands of lightweight cores
17%
Check your VoIP networks with SIPVicious and sngrep
30.11.2025
Home »  Archive  »  2025  »  Issue 90 VoIP N...  » 
Photo by Quino Al on Unsplash
(6192 bits), 774 bytes captured (6192 bits) Ethernet II, Src: 00:1a:2b:3c:4d:5e, Dst: 00:6f:7g:8h:9i:0j Internet Protocol Version 4, Src: 192.168.1.101, Dst: 192.168.1.104 User Datagram Protocol, Src Port
17%
Julia Distributed Arrays
15.08.2012
Home »  HPC  »  Articles  » 
> print(owner(j,1)); 1 julia> print(owner(j,2)); 1 julia> print(owner(j,5)); 3 julia> print(owner(j,7)); 4 Similarly, a processor can ask: “What is the range of my indexes?” julia> print(myindexes(j)); (1
17%
IoT for IT
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © Bruce Rolff, 123RF.com
been reached. The picture is similar with other Internet services: Almost everyone uses services such as email [3]. Both the service provider industry and hardware manufacturers need new markets: one

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