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13%
Programming with OpenMP
07.11.2011
Home »  HPC  »  Articles  » 
   #pragma omp parallel for reduction(+: pi) 10   for (i = 0; i < STEPCOUNTER; i++) { 11     /* pi/4 = 1/1 ‑ 1/3 + 1/5 ‑ 1/7 + ... 12        To avoid the need to continually change 13        the sign (s=1
13%
Data Analysis with R and Python
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © mopic, 123RF.com
try: 11 if count == 0: 12 ro.r('df = %s' %ro.Dataframe({key: float(doc[key]) for key in keys}).r_repr()) 13 count += 1 14 else: 15 ro.r('df[nrow(df)+1
13%
News for Admins
05.02.2023
Home »  Archive  »  2023  »  Issue 73: Datab...  » 
 
,730,112 cores," the report says. Fugaku – The Fugaku system installed at the RIKEN Center for Computational Science in Kobe, Japan remains at #2 with an HPL score of 0.442 EFlop/s. LUMI – This HPE Cray EX
13%
High-availability workshop: GFS with DRBD and Pacemaker
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Maxim Borovkov, 123RF.com
Resource 01 primitive p_filesystem ocf:heartbeat:Filesystem params 02 device="/dev/drbd/by-res/disk0/0" directory="/opt" fstype="gfs2" 03 op monitor interval="120s" meta target-role="Started" 04 clone cl
13%
Vagrant, Serf, Packer, and Consul create and manage development environments
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © 36clicks, 123RF.com
_wait_timeout": "30s", 08 "shutdown_command": "echo 'Done' | sudo -S shutdown -h now" 09 }], 10 "provisioners": [{ 11 "type": "shell", 12 "inline": [ 13 "sleep 30", 14 "sudo apt-get update", 15
13%
Serverless computing with AWS Lambda
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © joingate, 123RF.com
Id: 4e90b424-95d9-4453-a2f4-8f5259f5f263 Duration: 70.72 ms Billed Duration: 100 ms Memory Size: 128 MB Max Memory Used: 55 MB Init Duration: 129.20 ms More or Less
13%
Hands-on test of Windows Subsystem for Linux
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image Craig Whitehead on Unsplash
$keyfile /etc/ssh 08 chmod 644 /etc/ssh/$filename 09 done 10 if [ -f .ssh/config ]; then 11 cat .ssh/config >> /etc/ssh/ssh_config 12 sed -i 's|~/.ssh|/etc/ssh|g' /etc/ssh/ssh_config 13
13%
Testing the Samsung MU-PA500B 500GB SSD
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © Lucy Baldwin, 123RF.com
statistics --- 3 requests completed in 623.9 us, 12 KiB read, 4.81 k iops, 18.8 MiB/s generated 4 requests in 3.35 s, 16 KiB, 1 iops, 4.77 KiB/s min/avg/max/mdev = 200.4 us / 208.0 us / 221.4 us / 9.51 us
13%
What's your status (page)?
28.11.2023
Home »  Archive  »  2023  »  Issue 78: Domai...  » 
Lead Image © Tatiana Venkova, 123RF.com
"label": "localhost PING/PORT/HTTP Tests", 11 "tiles": [ 12 { 13 "type": "PING", 14 "params": { 15 "hostname": "128.0.0.1" 16 } 17 }, 18 { 19 "type": "PORT
13%
Script utilities in depth: grep, awk, and sed
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© jirkaejc, 123RF.com
that it locates: oops::000:100::/:/bin/sh This password file entry allows someone to log in as the root-equivalent user oops without a password: grep '.*:.*:00*:' /etc/passwd | awk -F: 'BEGIN {n=0}; $1

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