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29%
Determining CPU Utilization
25.02.2016
Home »  HPC  »  Articles  » 
details of these components varies from processor to processor, making CPU utilization comparison difficult. Current processors can have shared L3 caches across all cores or shared L2 and L1 caches across
29%
Netcat – The Admin’s Best Friend
20.08.2012
Home »  Articles  » 
 
examplehost.tld 22 If firewalling is in place and you need to originate your connection from a specific IP address to open a port, entering # nc -s 1.2.3.4 examplehost.tld 8181 will connect to examplhost
29%
Netcat – The admin's best friend
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Dmitry Rukhlenko, 123RF.com
seconds, for example: # nc -p 16000 -w 30 examplehost.tld 22 If firewalling is in place and you need to originate your connection from a specific IP address to open a port, then you can enter: # nc -s 1.2.3
29%
Nagios alerts implemented via VoIP
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Zentilia, 123RF.com
well. Of the available clients, PJSUA [3] turns out to be the best choice. PJSUA is the PJSIP reference implementation, and it comprises a function library for SIP, RTP, STUN, and some other Vo
29%
StarCluster Toolkit: Virtualization Meets HPC
16.01.2013
Home »  HPC  »  Articles  » 
$ starcluster help StarCluster - (http://web.mit.edu/starcluster) (v. 0.93.3) Software Tools for Academics and Researchers (STAR) Please submit bug reports to starcluster@mit.edu !!! ERROR - config file
29%
Rethinking RAID (on Linux)
16.03.2021
Home »  HPC  »  Articles  » 
identified the following physical drives that I will be using in my examples: $ cat /proc/partitions |grep -e sd[c,d] -e nvm  259        0  244198584 nvme0n1  259        2  244197543 nvme0n1p1    8       32
29%
Why Good Applications Don't Scale
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © man64, 123RF.com
: In Equation 1, a is the application speedup, n is the number of processors, and p is the "parallel fraction" of the application (i.e., the fraction of the application that is parallelizable), ranging from 0
29%
OpenMP – Parallelizing Loops
03.04.2019
Home »  HPC  »  Articles  » 
in Table 3 that you can nest parallel regions. The first parallel region will use N  threads (N  cores), and the second parallel region (the nested parallel region) will use N  threads for each thread
29%
High-Performance Python 3
19.09.2019
Home »  HPC  »  Articles  » 
 add_ufunc(x, y):     return x + y The decorator line defines the data types (i.e., int64  here) and the target for the decorator cuda . A simple test for the add_ufunc  Numba function is: a = np.array([1, 2, 3, 4]) b ... High-Performance Python 3
29%
A script for strict packet filter updates
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © french 03, photocase.com
'^$' | sort -n | uniq -c | awk '$1 >= '${BLOCK_PREFIX_THRESHOLD}' {print $2" "$3}'` 174 175 # echo "${PREFIXES}" 176 for P in $( echo "${PREFIXES}" | awk '{print $2}' ); do 177 DEL_IPS=`echo "${QUERY

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