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44%
Using a Bash script to mirror external monitors
10.06.2015
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Lead Image © bowie15, 123RF.com
" ; shift 20 local display_list="$1" 21 while read display width_mm height_mm width height ; do 22 if [[ "$display" == "$find_display" ]] ; then 23 echo ${width}x${height} 24
43%
Comparing startup times of Linux distros in the cloud
27.09.2021
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Lead Image © Lucy Baldwin, 123RF.com
Request timeout for icmp_seq 0 Request timeout for icmp_seq 1 Request timeout for icmp_seq 2 64 bytes from 52.90.56.122: icmp_seq=3 ttl=48 time=40.492 ms [ output truncated ] Welcome to Ubuntu 20.04.1 LTS
43%
Getting started with the OpenStack cloud computing framework
28.06.2011
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-Manage: novammanage user admin rwartala This process creates an access key and a security key: export EC2_ACCESS_KEY=713211a477a154470fUU ae543346b52e30a0e export EC2_SECRET_KEY=244de6a188aa344e12UU 9521003ac756abbdf
42%
Five multipurpose thin clients compared
12.09.2013
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Lead Image © David Grigg, 123RF.com
Active: >10W; sleep: 1W Active 10-15W; sleep: 0.86W Active: 7.2W; sleep: 1.8W Size (LxWxH): 140x42x198mm 227x82x231mm 191x97x266mm 225x47x200mm 119x
39%
Embarrassingly parallel computation
01.06.2024
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Lead Image © Lucy Baldwin, 123RF.com
fashion when promised double-digit speedups like 10x by a vendor who has yet to see your code. Accomplishing a 10x speedup requires that 90 percent of the execution time be parallelized. The span of your
38%
HDF5 and Parallel I/O
17.05.2017
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,0): 10, 11, 12, 13, 14,       (2,0): 20, 21, 22, 23, 24,       (3,0): 30, 31, 32, 33, 34,       (4,0): 40, 41, 42, 43, 44,       (5,0): 50, 51, 52, 53, 54,       (6,0): 60, 61, 62, 63, 64,       (7
38%
Listing 6
21.08.2012
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 will allocate 4 cores 15 ### using 3 processors on 1 node. 16 #PBS -l nodes=1:ppn=3 17 18 ### Tell PBS the anticipated run-time for your job, where walltime=HH:MM:SS 19 #PBS -l walltime=0:10:00 20 21 ### Load
38%
Creating an SFTP jail
30.11.2025
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Juan Manuel Ordonez, 123RF.com
SyslogFacility AUTH 20 TCPKeepAlive yes 21 UseDNS no 22 UsePrivilegeSeparation yes 23 Subsystem sftp /usr/local/libexec/sftp-server 24 Match Group sftponly 25 ChrootDirectory /export
37%
Tuning I/O Patterns in Python
18.12.2013
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common in HPC to illustrate these differences: C, Fortran 90, and Python (2.x series). I run the examples on a single 64-bit system with CentOS 6.2 using the default GCC compilers, GCC and GFortran (4
37%
A closer look at hard drives
18.07.2013
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Lucy Baldwin, 123RF
: 156301488 20 Logical Sector size: 512 bytes 21 Physical Sector size: 512 bytes 22 device size with M = 1024*1024: 76319 MBytes 23

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