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10%
Tools that extend Bash scripting
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Laschon Maximilian, 123RF.com
that the top left of the screen is (0,0) tput cup 3 15 # Set the foreground color using an ASCII escape tput setaf 3 # Write a "title" to the screen echo "Title of the company" tput sgr0 # Write a menu title
10%
Security data analytics and visualization with R
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Rancz Andrei, 123RF.com
that assumes a Xubuntu Desktop 12.04.4 LTS instance. If you're not familiar with R, the R Project for Statistical Computing states: "R is a free software environment for statistical computing and graphics
10%
Sharing Data with SSHFS
23.04.2014
Home »  HPC  »  Articles  » 
CLUSTERBUFFER2]$ ls -s total 0 It’s a good idea to have a mountpoint (directory) that is empty, because when the remote filesystem is mounted, it will “cover up” any files in the directory. Mounting
10%
Secure remote access and web applications with two-factor authentication
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© maigi, 123rf.com
and Rainbow and their encryption solutions in 2004 and 2009. SafeNet offers certificate- and PKI-based solutions and OTP authenticators. SMS Passcode, Denmark's PASSCODE A/S [5], offers one-time password
10%
Kernel and driver development for the Linux kernel
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © psdesign1, Fotolia.com
_string; 08 09 static int prochello_show( struct seq_file *m, void *v ) 10 { 11 int error = 0; 12 13 error = seq_printf( m, "%s\n", output_string); 14 return error; 15 } 16 17 static int prochello
10%
Shared Storage with NFS and SSHFS
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © Oleksiy Mark, 123RF.com
~]$ cd DATA [laytonjb@test8 DATA]$ ls -s total 0 Listing 1 CLUSTERBUFFER2 [laytonjb@home4 CLUSTERBUFFER2]$ ls -s total 3140 4 BLKTRACE/ 4 NFSIOSTAT/ 296 SE
10%
pdsh Parallel Shell
08.07.2018
Home »  HPC  »  Articles  » 
read the hosts from a file other than the WCOLL environment variable: $ pdsh -w ^/tmp/hosts uptime 192.168.1.4:  15:51:39 up  8:35, 12 users,  load average: 0.64, 0.38, 0.20 192.168.1.250:  15:47:53 up
10%
Tuning loops – from loop unrolling to Duff's device
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
for (i = 0; i < n; i++) { 05 for (k = 0; k < n; k++) { 06 float sum = 0.0f; 07 08 #pragma unroll (4) 09 10 for(j = 0; j < n; j++) 11 sum += src1
10%
Using loop directives to improve performance
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © orson, 123RF.com
C !$acc parallel !$acc loop do i=1,n a(i) = 0.0 enddo!$acc end parallel #pragma acc parallel{ #pragma acc loop for (int i=0; i < n; i++) { a[i] = 0.0 }} When the compiler
10%
Creating a private apt repository with reprepro
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © binkski, 123RF.com
$ sudo apt-key list 12 /etc/apt/trusted.gpg 13 -------------------- 14 [...] 15 pub 4096R/0B8738CA 2013-04-17 16 uid Thomas-Krenn.AG Ubuntu Archive 17

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