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20%
mpi4py – High-Performance Distributed Python
12.11.2020
Home »  HPC  »  Articles  » 
the final answer. The command to run the code is straightforward: $ mpirun -n 4 -f ./hosts python3 trap-mpi4py.py Another sample problem (Listing 8) integrates x ^2 over the interval from 0.0 to 2
20%
VTP for VLAN management
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © bluedarkat, 123RF.com
for the configuration commands), VLAN20 needs to be created on SW1 and SW2 for red hosts to communicate, whereas VLAN 30 must be on SW2 and SW3 for the blue hosts to communicate. If you want the green hosts
20%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
if less data is requested. Listing 3 IOPS on a Hard Disk # iops /dev/sdb /dev/sdb, 1.00 TB, 32 threads: 512 B blocks: 76.7 IO/s, 38.3 KiB/s (314.1 kbit/s) 1 KiB blocks: 84.4 IO
20%
Monitoring events with the Audit daemon
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © alphaspirit , 123RF.com
. Listing 1 auditd.conf log_file = /var/log/audit/audit.log log_format = RAW log_group = root priority_boost = 3 flush = INCREMENTAL freq = 20 num_logs = 5 disp_qos = lossy dispatcher = /sbin
20%
Top Top-Like Tools
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
. The second number is percent CPU load from the system (0.3%sy), and the next is percentage of jobs that are "nice" [2] (0.0%ni). After that, Top lists percent overall CPU time idle (86.3%id; four real cores
20%
Help Desk with FreeScout
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by Nik on Unsplash
, FreeScout works with MariaDB and PostgreSQL databases. Once your database is up and running, download the installation package [3], copy it to the HTML folder of the web server, and unzip the ZIP file
20%
Real-World HPC: Setting Up an HPC Cluster
04.11.2011
Home »  HPC  »  Articles  » 
-o pe_start # vgcreate RaidVolGroup00 /dev/sdx # lvcreate --extents 100%VG --name RaidLogVol00 RaidVolGroup00 # mkfs -t ext3 -E stride=32 -m 0 -O dir_index,filetype,has_journal,sparse_super /dev
20%
Detecting malware with Yara
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Mohamad Razi Bin Husin, 123RF.com
tells Yara what to do. In this case, the file tells Yara to report that it has found something. To test if Yara is working, I create three files named badfile1.txt, badfile2.txt, and badfile3.txt. I put
20%
System temperature as a dimension  of  performance
28.11.2022
Home »  Archive  »  2022  »  Issue 72: OpenS...  » 
Lead Image © Lucy Baldwin, 123RF.com
of alternative sources. Listing 1 sensors Output federico@ferenginar:~$ sensors k10temp-pci-00c3 Adapter: PCI adapter temp1: +42.5¡C (high = +70.0¡C) (crit = +100.0¡C
20%
Cryptographic key access in the cloud
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © scanrail, 123RF.com
11tool --list-tokens [...] Token 3: URL:pkcs11:model=PKCS%2315;manufacturer=EXAMPLE%20COM;serial=10104303570;token=Signature%20PIN%11%2233%20PKI%11Card%00 [...] Such a token can now be "passed on

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